philips md1.2e aa chas

84
Colour television Chassis n QRarrarrnrara q)\9U \7 U\r\g TI \_s,.Àr,A\tnr^íÀ e)\gu \YU[r\g Seruice 4. 5. :i,-tY:. au94l ;jrït-eff Contents Technical speciÍications Connectionfacilitiesand Chassis overview SaÍety instructions for repairs, Maintenanceinstructions, Wamingsand Notes Mechanicalinstructions Block diagram Testooint overview Wiringdiagram Copyright 1996 Philips Consumer ElectÍonics B.V. Eindhoven, The Neitíerl-ands. All rights reserved. No part of this Publication may be reoroduced, storedjn a retrieval systeni or transmitted, in any form or by ariv means, electronic, mechanicá|, photocopying, or otherwise without thé prior permission of Philips. published by SM9671 TV Service DepartmentPrinted in TheNetherlands oCopyright reserved Subiect to modification Contents Electrical diagrams and PWB-layouts (Schéma BB) (Schéma 84) (Schéma85) (Schéma 86) (Schéma87) (Schema BB) (Schéma 89) (SchemaC) (Schéma 01) (Schéma D2) (SchémÊ D (SchemaG) (Schéma l) (Schéma J) l"g" Diagram PWB 21 18 21 18 22 18 22 18 23 18 @ 4822727 20979 MDl.2E AA í;ïiri?,' Synchronisation lF sound EuroconnectoÍ 1 Euroconneetor 2 Controls Connections audio module Teletext CRT panel Audio module Nicam L module CTI/BlackStretch panel N/S oanel Mains/RCS/LED Panel Control and Inpuvoutput 8. Electrical alignments 10. Directions Íor use 11. ListoÍ abbreviations 12. Spare parts lists t. 2. 3. Page 2 2 3 4 6 7 8 8 Diagram PWB 12 13 14 15 14 16 14 17 14 17 14 19 18 20 18 6. Service Modes, DST, Error messages, Protections, Faultfinding and Repair tips 7. Electrical diagrams and PWB-layouts Supply voltage diagram Powersupply21" (Schéma A1) Powersupply> 21 " (Schéma A1) Horizontaloutput (SchémaA2) Vertical output (SchémaA3) Audio ampliÍier (SchémaAa) Tuner + lF (Schéma 81) Video processing (Schéma 82) 24 18 24 18 25 25 26 27 27 27 28 29 29 29 30 30 31 31 32 34 37 39 PCS 82 264 GB #p PHILIP

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Page 1: Philips MD1.2E AA Chas

Colour television Chassisn

QRarrarrnraraq)\9U \7 U\r\gTI

\_s,.Àr,A\tnr^íÀe)\gu \Y U[r\g

Seruice

4.

5.

:i,-tY:.au94l

;jrït-eff

Contents

Technical speciÍicationsConnection facilities and Chassis overviewSaÍety instructions for repairs,Maintenance instructions,Wamings and NotesMechanical instructionsBlock diagramTestooint overviewWiring diagram

Copyright 1996 Philips Consumer ElectÍonics B.V. Eindhoven, TheNeitíerl-ands. All rights reserved. No part of this Publication may bereoroduced, storedjn a retrieval systeni or transmitted, in any form or byariv means, electronic, mechanicá|, photocopying, or otherwise withoutthé prior permission of Philips.

published by SM 9671 TV Service Department Printed in The Netherlands oCopyright reserved Subiect to modification

Contents

Electrical diagrams and PWB-layouts(Schéma BB)(Schéma 84)(Schéma 85)(Schéma 86)(Schéma 87)

(Schema BB)(Schéma 89)(Schema C)(Schéma 01)(Schéma D2)(SchémÊ D(Schema G)(Schéma l)(Schéma J)

l"g"Diagram PWB21 1821 1822 1822 1823 18

@ 4822727 20979

MDl .2EAA

í;ïiri?,'

SynchronisationlF soundEuroconnectoÍ 1Euroconneetor 2ControlsConnections audio

moduleTeletextCRT panelAudio moduleNicam L moduleCTI/Black Stretch panelN/S oanelMains/RCS/LED PanelControl and Inpuvoutput

8. Electrical alignments10. Directions Íor use11. List oÍ abbreviations12. Spare parts lists

t .2.3.

Page

22

34678

8Diagram PWB1 21 3 1 41 5 1 41 6 1 41 7 1 41 7 1 41 9 1 820 18

6. Service Modes, DST, Error messages,Protections, Faultfinding and Repair tips

7. Electrical diagrams and PWB-layoutsSupply voltage diagramPower supply 21" (Schéma A1)Power supply > 21 " (Schéma A1)Horizontal output (Schéma A2)Vertical output (Schéma A3)Audio ampliÍier (Schéma Aa)Tuner + lF (Schéma 81)Video processing (Schéma 82)

24 1824 1825 2526 2727 2728 2929 2930 3031 3132343739

PCS 82 264 GB

#p PHILIPS

Page 2: Philips MD1.2E AA Chas

1. Technical speciÍicationsMains voltagePower consumptionnominal output power (Vvatt)peak output power Watt)standby Watt)Mains frequencyPull-in range colour synchronisationPull-in range horizontalsynchronisation

| 22O-24OV AC (!1O"A)

: 100 (21'90"); 130 (1 10" SF 4:3); 150 (1 10" SF 16:9): 160 (21" 90"); 1 80 (1 10' SF 4:3);220 (1 10' $F 16:9): 3 (t10%): 50 Hz (t10%): > + 300H2

: > + 600H2

#\ ? ? o (r1----------------a

o OqEo(DGREEN

t Í

r--------------'t ? o o Y t--T-l--

o oS K 1

/ + \L7-\l\ \:iï- MENU

:Íffi'-''" \:.2-

m-"-.ileït-- "*"

ilq|- *-"l[o+]- -*'l # nl o| * ï -- '

lo+-g-".-*rH*

1 -2 -3 -4 -5 -6 -7 -8 -

9 -1 0 -1 1 -

1 2 -1 3 -1 4 -1 5 -1 6 -

EXT1/75o)17 - CVBS I18 - CVBS J-1 9 - C V B S o ( 1 V p p / 7 5 O )2 0 - c v B S € ( 1 v p p / 7 5 o )21 - Earth screen

Audio O R (O.SVnrvrs< lko)Audio € R (0.2-2Vnus> 10ko)Audio G L (0.SVnrr,rs< 1kO)Audio IBlue IAudio € L(0.2-2Vnurs> loka)Blue o (0,n/pp/75o)CVBS status(o-2V: INT; 4,5-7VlEXT1 -1 6/9; 9.5-1 2V:EXT1 -4l3)Green I

Green O (o,7vpp/75o)

Red IRGB status IRed o (0,7vpp/75o)RGB status (0-0,4V: INT;1-3V:

SVHS

@

2. Connection facilities and Chassis overview

Rear connectlons

Specification of the terminal sockets

REAR

EXTI - CVBS (in/cut) +RGB (in) -tuner at output

Front + Top control + Side l/O

EXT2 - CVBS (in/out) +SVHS (in)- Input: EXTz then output= tuneri input: otherthen outPut = inPut

1 - Audio OR(o.SVnrus<lk() )2 - Audio O R(0.2-2Vnr'irs>10ko)3 - Audio GL(o.SVnus<1ko)4 - Audio I5 -6 - Audio € L(0.2-2Vnr'rs>10ko)7 -8 - CVBS status€ (G2V: INT; 4,s7V:

EXï2- 1 6/9 ; 9. 5- 1 2Y :F-Kï 2= a | 3\9 -'10 -1 1 -1 2 -1 3 - C I1 4 -

15- c o(300mvppl75à' )1 6 -17 - CVBS I18 - CVBS I1 9 - C V B S 0 ( 1 v p p / 7 5 o )20 - cvBslío (1vppi75o)21 - Earth screen

Front + Side control + Side l/O

Cinch - audio outO ctucx Audio L (red) I

(0.5Vnr',ls < 1kA)O ctNcH Audio R (whire) O

(0.5Vnus < 1kA)

FRONT

Audiofuideo inO crncn cvBSO (1vpp/75o)O ctrucn Audio L (red) O

(2Vnr',rs > 10kO)O ctttcH Audio R (white) O

(2Vaus > 1OkO)

HeadphoneI qn 8-600ei

1 - r2 - I3 Yo (1vppnso)4 - co(o,3vpp/75o)

PCS 82 265 GB

Page 3: Philips MD1.2E AA Chas

EE-i] Topcontml Panetd#

EE3il Side Controld ild/oÍ InpuUOutput

E P28| cTu8rek srÍerch Panel

ElP.r6 I Audio Modure

Wp.n1 Ni€m LPanet

CRT Panel E p.zul

E PirlE-p.ro lE E IEEf-lE-r,,tE-p.tlEEzg]E p.zcl

E-t 4l

Tuner / lF

Vids PÍocessing

Synórcnislion

lF Sound

Euro ConnecloÍ 1

EuÍo Connsdoí 2

ContÍols

Connections Audio Module

Teleteí

, Side ConlÍol or Top ContÍol presenl

1 .

2.

.Z- y#"jt^csrueo I nso-]

<9

PoweÍ supply Eilp.13JdHoÍizonlatoutput E P.16-l

VerlicalOutput E P.1il

AudioAmpliÍier E P.t7l

N/S Panet EE r-l

66532068_001.41

Note:This resoldering is advised to prevent bad connections due tometal Íatigue in solder joints and is thereÍore only necessaryÍor television sets older than 2 years.- The wire trees and EHT cable should be routed correctly

and Íixed with the mounted cable clamps.- The insulation oÍ the mains lead should be checked lor

external damage.- The mains lead strain relieÍ should be checked for its

tunction in order to avoid touching the GRT, hotcomponents or heat sinks.

- The electrical DC resistance between the mains plug andthe secondary side should be checked (only for setswhich have a mains isolated power supply).This check can be done as Íollows:o unplug the mains cord and connect a wire between

the two pins oÍ the mains plug;e set the mains switch to the on position (keep the

mains cord unplugged !);. measuÍe the resistance value between the pins oÍ the

mains plug and the metal shielding oÍ the tuner oÍ theaerial connection on the set. The reading should bebetween 4.5 MO and 12 MO;

o switch off the TV and remove the wire between thetwo pins oÍ the mains plug.

- The cabinet should be checked Íor defects to avoidtouching oÍ any inner paÍts by the customer.

3. Safety instructions Íor repairs, Maintenance instructions,Warnings and Notes

SaÍety instructions Íor repairs

Safety regulations requiÍe that during a repair:- the set should be connected to the mains via an isolating

transformer:- saÍety components, indicated by the symbol a

should be replaced by components identical to theoriginal ones;

- when replacing the CRT, safety goggles must be worn.

Safety regulations require that after a Íepair the set mustbe Íeturned in 'rts original condition. In particular attentionshould be paid to the Íollowing points:- As a strict precaution, we advise you to resolder the

solder joints through which the horizontal deÍlectioncurrent is flowing, in particulaÍ:o all pins oÍ the line output transformer (LOT);o fly-backcapacitor(s);. S-@rrectioncapacitor(s);o line output transistor;. pins of the connector with wires to the deÍlection coil;o other components through which the deÍlection

current Ílows.

Page 4: Philips MD1.2E AA Chas

Maintenance instructions

It is recommended to have a maintenance inspectioncarried out by a qualiÍied seÍvice employee. The intervaldepends on the usage conditions:

r when the set is used under normal circumstances,Íor example in a living room, the recommendedinterval is 3 to 5 years;

r when the set is used in circurnstances with higherdust, grease or moisture levels, for exanrple in akitchen, the recommended interval is 1 year.

The maintenance inspection contains the Íollowing actions:. execute the above mentioned "general repair

instruction";. clean the power supply and deflection circuitry on

the chassis;. clean the picture tube panel and the neck oÍ the

pictuÍe tube.

Warnings

1. In order to prevent damage to lcs and transistors, allhigh-voltage flashovers must be ave,ided. In order 1oprevent damage to the picture tube, the method shon'n inFig. 3.1 should be used to discharge the picture tube.Use a high-voltage probe and a multimeter (position DC-V)Discharge until the meteÍ reading is 0V (afier approx. 30s).

lESD IÈs.

All lCs and nrarry other semiconductors are sensitive toelectrostatic discharges (ESD). Careless handling duringrepair can drastically shorten the liÍe. Make sure that duringrepair you are connected by a pulse band with resistance tothe same potential as the earth ot the unit.Keep components and tools also at this same potential

Together with the deÍlection unit ancj any multipoie unil,the flat square picture tubes used forrn an integrated unit.The deÍlection and the multipole units aíe set opiimally aithe Íactory. Adiustmeni of this unit during repair is thereÍorenot recommended.

Be careful when taking measurements in the high-voltagesection and on the picture tube.

Never replace mocjules or otheÍ components while the unitis switched on.

When making settings, use plastic ratheÍ than metal tools.This will prevent any short circuiis and tire ciangei oÍ acircuit becoming unstable.

The diÍect voltages and oscillograms should be measuredwith regard to the tuner earth (J), or hot earth (I{) as tnisis called.

The direct voltages and oscillograms shown in thediagrams should be measured in the Service DeÍaultMode (see chapter 8) with a colour bar signal and stereosound (L:3 kHz, R:1 kHz unless stated otherwise) andpicture carrier at 475.25 MHz.

WheÍe necessary, the oscillograms and direct voltages aremeasured with (''ll-) and without aerial signal ([).Voltages in the power supply section are measured both Íornormal operation (@) and in standby (O). These values areindicated by means of the appropriate symbols.

The picture tube PWB has printed spark gaps. Each sparkgap is connected between an electrode oÍ the picture tubeand the Aquadag coating.

The semiconductors indicated in the circuit diagram and inthe parts lists are completely interchangeable perposition with the semiconductors in the unit, inespective oÍthe type indication on these semiconductors.

Figure 3.1

DCtpoLBY sunnounolP R O o L O G I C

ManuÍactured under license from Dolbv Laboratoriesl-icensing Corporation.

DOLB'/, the double-D symbol D! and PRO LOGIC aretrademarks oÍ Dolby Laboratories Licensing Corporation.

Notes

1 .

2.

3.

4.

5.

2.

3.

6.

4.

5.

6.

PCS 82 266 GB

Page 5: Philips MD1.2E AA Chas

4. Mechanical instructions

The MD1 .2E chassis has two different mechanicalexecutions.

Styling with top controland side inpuVoutput(also applicable Íor MD1.1E Widescreen)

Removing the Íear cover1. First all screws on the rear cover have to be removed.

. 4 Screws are located at each corner of the cabinet.

. 2 Screws are located at the left and right bottomcorners oÍ the rear cover.

. 4 Screws are Íixed at the 4 corners oÍ the l/O panelwith the Euroconnectors and aerial input.

2. The rear cover is now held in position by 6 clicksbetween the cabinet and the rear cover. There are2 clicks at the left, 2 at the right and 2 at the top. Afterloosening all clicks (by releasing them with a screw-driver), the rear cover can be removed.

3. The cover plate on the l/O panel with the Euro-connectoÍs and aerial input can be removed in thefollowing way: remove the screw in the middle, releasethe click connection at the bottom and lift the coverplate.

Process position

The process position provides easier access to the entirechassis.1. Release the mains cord Írom its Íixation brackets.2. Push back the clicks between bottom plate and rear

cover and pull the cabinet at the same time backwards.

For some service positions cables may have to be removedfrom their cable clamps and channets.AÍterwards, put the cables back in their original position.

Click(1)

Service positions

Small Signal Panel (SSP) component side (Figure 4.1)1 . Push down the clicks oÍ the SSP bracket (1) and shift

the SSP to the lefi.2. Pull up the SSP and tilt the SSP counter clockwise to a

horizontal position (180'with Large Signal Panel(LsP)).

3. Put the SSP in the clicks (2) marked "Sewice" on thebottom plate.

When all cables on the SSP are disconnected, the SSP canalso be removed from its bracket (Figure 4.2), providingbetter access to component and copper side.

bracket

_014.41071096

4.1

PCS 82 267 GB

Figure 4.1

Page 6: Philips MD1.2E AA Chas

LSP component side (Figure 4.3)1. Put the SSP in the horizontal service position as

described above.2. Remove screw (3) from the LOT bracket.3. Remove the bracket by releasing click (4) and pulling the

bracket upwards.4. Release clicks (5) and (6).5. Lift the LSP PWB out of its bracket (indicated by the

arrow) and pull it a little back.

Warning! The heat sinks arc not connected to ground.

LSP copper side x/ith table/workbencá (Figure 4.4)1. Disconnect the cable to the degaussing coil (yellow

connector L02 on LSP).2. lÍ necessary, disconnect the cable on the left loudspeaker.3. Lift the LSP Írom its bracket as described above (LSp

component side).4. Turn the LSP undemeath the CRT panel (keep cable

515/L15 UNDER the audio module) as indicated by thearrow (7).

The LSP now rests on the bottom plate, held in place by thecable clamp on the heat sink and the LOT bracket.

Warning! Be careful not to damage the CRT-panel orpicture tube neck.The heat sinks are not connected to ground.

SSP and LSP copper si]de without tabte/workbench(Figure 4.5)For this seruice position MDl cable extension kit(service code number 4822 320 11695) is required.

1. Break the service pin (marked M't - see Figure 4.3) fromits position at the right hand side oÍ the bottom ptate.

2. Disconneqt the cable to the degaussing coil (yellowconnector L02 on LSP) and the cable on the leftloudspeaker.

3. Remove cables 51 0/L10, 51 1/L1 1 and 51 5/L1 5 ÍromLSP to SSP and cable l28lL28 Írom Audio module to LSp.

4. Lift the LSP lrom its bracket as described earlier (LSPcomponent side).

5. Put the LSP to the vertical position (Figure 4.5), copperside at the right hand, LOT above (8). For this position,special grooves are made in the bottom plate of thecabinet.

6. Fix the position oÍ the LSP by putting the service pinbetween LSP (heat sink) and bottom ptate (9). There arespecial holes in the heat sink and the bottom plate to putthe service pin in.

7. Reconnectcable 128/128.8. Use the cables Írom the MD1 cable extension kit to

reconnect connectors S1 0/L1 0, S1 1 /L1 1 and 51 S/Li S.

Warning! All cables should be reconnected correctly.

After use the service pin can be placed in the spare hole atthe right hand side in the bottom plate.

Clip(6)

Click (4)

Figure 4.3

Figure 4.4

c166532052_01 5.Al1 10996

665320s2 017.41

Figure 4.5

Page 7: Philips MD1.2E AA Chas

Mechanical instructions

4.2

Accessing the module with mains switch, LED and RC5receiver (Fig.4.6)1. Cut the tie rap of the degaussing coil at the left hand

bottom side (10). Remove the degaussing coil in the leftbottom corner Írom its Íixation bracket (1 1) to get morespace to handle the mains module.

2. Remove the red mains pànel bracket by lifting the endand pulling it backwards (12).

3. To get more movement space, the left top of the cabinetcan be pushed or pulled upwards (13).

4. The mains panel can now be removed.

Afterwards the degaussing coil should be retied at position(10).

Styling with side control and side inpuVoutput (no topcontrol)

Removing ttre rear cover1. First all screws on the rear cover have to be removed.

. 6 Screws are located at the comers oÍ the cabinet.

. 2 Screws aÍe located at the left and right bottom oÍthe rear cover.

. 3 Screws are located just above, under and left oÍ thecover plate of the UO connections.

Fot some service positions cables may haveto be removedírom their cable clamps and channels. Aftenttards, put thecables back in their original position.

Process position

The process position provides easier access to the entirechassis during the service posltions.1. The chassis can be lifted, pulled Íorward (t Scm) and

fixed in the bottom plate.2. When the clicks between bottom plate rear cover are

pushed back, the chassis and the bottom plate can bepulled backwards.

Service positions

SSP copper and component side, module servicing(Figure 4.7)'1 . Release the click construction (14) between the SSP and

LSP.2. Lift the SSP a little and turn it to an angle oÍ 135' (15) or

180" (16) Írom the LSP.This provides better access to the clmponent side oÍ theSSP and also allows for the removal oÍ modules.

Service position with table/workbench (Fig. 4.8)1. Disconnect the cable to the degaussing coil (yellow

connector L02 on the LSP).2. Lifi the chassis from the bottom plate and pull it

backwards (17).3. Turn the entire chassis around the CRT panel (18).

The chassis rests on the SSP with the copper side of theLSP backwards.

Be careful not to damage the CRT-panel orpicture tube neck.The heat sinks are not connected to ground.

(10)(1 1 )(12)

66532052_01 8.Al071096

Figure 4.6

Figure 4.7

66532052_01 9.Al250996

(14)

Warnlng!

FiguÍe 4.8

Page 8: Philips MD1.2E AA Chas

Service position (LSP copper side) without table/workbench (Fig.4.9)1. Disconnect the cable to the degaussing coil (yellow

connector L02 on the LSP).2. Lift the chassis Írom the bottom plate and turn it

counter clockwise (1 9).3. The SSP can be Íixed with a screwdriver to the bottom

plate (20). The copper side ofthe LSP can now beaccessed.

Waming! Be careful notto damage the CRT-panel orpicture tube neck.The heat sinks are not cannected to ground.

Small Signal Panel (Fig.4.2)First, remove all cables connected to the Small SignalPanel. The SSP can be removed by sliding it out of theSSP bracket (in the direction of the arrow).

Large Signal Panel (Fig.4.10)After removing the screw (21), and pushing back the clips(22), the LSP can be lifted out the bracket as indicated bythe arrow.

Accessing the panel with mains switch, LED and RCSÍeceiveÍThe mains module is located in the middle oÍ the set. belowthe picture tube.

1. Push the clicks between bottom plate and rear coverback and pull the chassis back as Íar as possible.

2. Release the click constÍuction (14 - Fig.4.7) betweenthe SSP and LSP, lift the SSP a little and turn it to anangle oÍ 180' (16 - see Fig. 4.7)lrom the LSP.The mains panel can now be accessed when reachingover the SSP/LSP.

3. Remove the 2 screws left and right on the mains panelbracket.The complete mains panel can now be removed bypulling it backwards.

Figure 4.9

cffi262 02.A1-i1ffi

Figure 4.10

PCS 82 268 cB

Page 9: Philips MD1.2E AA Chas

I PANEL

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7 l I 9 - 4 ê

ryF*r ry

*Tt PÊL/NTSC OR SECAM 4. {3

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PCS 82 269

Page 10: Philips MD1.2E AA Chas

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Page 11: Philips MD1.2E AA Chas

Testpoint overview / Testpunkt Ubersicht /Relevé des points de test

@ z

l-arge signal panel / GroB-Signal Platine / Platine Íorts signaux

[email protected]$S

Page 12: Philips MD1.2E AA Chas

z

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Small signal panel / Klein-Signal Platine / Platine petits signaux

Page 13: Philips MD1.2E AA Chas

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PCS 82 270PCS 82 27

Page 14: Philips MD1.2E AA Chas

Testpoint overview / Testpunkt Ubersicht /Relevé des points de test

CRT panel/ CRT-Platine / Platine tube cathodique

CTUBlaek Stretch panel /CTI/Black Stretch Platine /Platine CTI/Black Stretch

1 2 1 1 1 0 9 8 7 6 5 4 3 2 1

[email protected]

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PCS 82 271 GB

Page 15: Philips MD1.2E AA Chas

Wiring diagram / Verdrahtungsschema /Schéma de càblage

SIDE I/O SIDE / TOPCONTROL

@ r

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cL 66532052_001.41190996

Page 16: Philips MD1.2E AA Chas

6. Service Modes, DST, Error messages, Protections,Faultfinding and Repair tips

In this chapter the following paragraphs are included:6.1 Test points6.2 Service Modes and Dealer Service Tool (DST)6.3 Error codes and "blinking LED" procedure6.4 Protections6.5 Fault finding and repair tips

6.1 Test points

The MD1 chassis is equipped with test points in the serviceprinting. These test points are reÍerring to the functionalblocks:* A1-42-43, etc.: Test points for the audio processing

circuitry* C1-C2-C3, etc.: Test points for the control circuitry* F1-F2-F3, etc.: Test points for the frame drive and

frame output circuitry* L1-L2-L3, etc.: Test ooints Íor the line drive and line

output circuitry* P1-P2-P3, etc.: Test points for the power supply* T1-T2-T3, etc.: Test point for the teletelc circuitry* V'l-V2-V3, etc.: Test points Íor the video processing

circuitry

6.2 Service modes and Dealer Service Tool (DST)

For easy installation and diagnosis the dealer remote controlRC7150 is introduced. The RC7150 can be used for all newTV sets, including all set of the MD1 chassis. The RC7150 isalso called Dealer Service Tool or DST. The orderingnumber of the DST (RC7150) is 4€,22 218 21232.

6.2.1 Installation Íeatures Íor the dealer

The dealer can use the RC7150 for programming the Tv-setwith presets, Tv-settings, Dish settings.

10 Differenl program tables can be programmed into the DSTvia a GFL or MD2 TV-set (downloading from the GFL or MD2to the DST; see GFL or MD2 service manuals) or by theDST-I (DST/PC interf ace; orderin g code 4822 21 8 21 27 n.For explanation of the installation Íeatures of the DST, thedirections for use of the DST are recommended (For the MD1chassis, download code 4 should be used).

6.2.2 Diagnose features for the servicer

The MD'| .2 sets can be put in the two service modes via theDST RC7150. These are the Service Alignment Mode (SAM)and the Service Default Mode (SDM). SDM can also beentered by short circuiting the "seÍvice".pins on the SSP.

6.2.2.1 Service Defauft Mode (SDM)

Entering the SDM:- By transmitting the "DEFAULT' command with the

RC7150 Dealer Service Tool.- By temporarily shorting pins S42 and S43 on the Small

Signal Panel.

Exiting the SDM:- Switch the set to stand-by (the error buffer is also

cleared).

Note: When the mains power is switched off whilethe set is in SDM, the set will enter to SDMimmediately when the mains is switched onagain'

The SDM has the Íollowing pre-deÍined conditions Íor allmicroprocessor controlled tuning and linear functions:- For recognition of the SDM "SER" is displayed at the top

oÍ the screen.- Tuning at 475.25 MHz (Secam on Multi-France sets (with

Nicam L), PAL on other sets).- Volume level is set to 25olo (oÍ the maximum volume

level). Other picture and sound settings are set to 5096.- Auto switch off disabled (normally the set is automatically

switched off when no video signal (IDENT) was receivedfor 15 minutes).

- Sleep timer is disabled.- All other controls operate normally.- When the microprocessor supports the "blinking LED"

procedure (See 6.3) and an error code is present in theerror buífer, the LED will blink the number of times, equaito the value of the last error code.This function will also work when there is no soudor plcture.

6.2.2.2 Seruice Alignment Mode (SAM)

Entering SAM:- By transmitting the "ALIGN' command with the RC7150

Dealer Service Tool (this works both while the set is innormal operation mode or in the SDM).

- By pressing the "MENU" and':" key on the localkeyboard simultaneously when the set is in SDM.

Êxiting SAM:- Switch the set to stand-bv.

Note: When the mains power is switched off whileÍhe sef is in SAM, the set will entet SDMimmediately when the mains is switched onagain.

ln the SAM the following information is displayed on thescreen:- Software version (the software version oÍ the

microprocessor in the set is displayed. This softwareversion identiÍication corresponds with the softwareversions in the Software Survey as published in theProduct Survey.

- Error code buffer (see paragraph 6.3).- Options (see paragÍaph 8.4).- Alignment and geometry information (see paragraph

8.2.1, 8.3.1 and 8.3.2).

Page 17: Philips MD1.2E AA Chas

Service Modes, DST, Error messages,

SoÍtware versionError bufferOptionsAlignments and geometry

Figure 6.1 Screen oÍ the Service AlignmentMode (SAM)

Error codes and "blinking LED" procedure

Ïhe error code buÍÍer contains all errors detected since thelast time the buffer was erased. The buffer is written Írom leftto right.- The last error detected (actual) is the error at the left side- The error buffer will be reset in the Íollowing cases:

1. exiting the SAM with the "standby" command on theremote control

2. transmitting the commands "DIAGNOSE 9 9 OK withthe DST

- By leaving the SAM with the mains switch, the errorbuffer is not reset.

Examples:ERROR: 000000: NoerrorcodedetectedERROR: 3 0 0 0 0 0: Error code 3 is the last and

only detected errorERROR: 530000: ErrorcodeSf i rs tanderror

code 5 last detected

The contents of the erÍor bufier can also be made visiblethrough the "blinking LED: procedure. This is especiallyuseful when there is no picture. There are two methods:1. When the SDM is entered, the LED will blink the number

oÍ times, equal to the value oÍ the /asÍ error code.The LED will stay off briefly and blink again the number oÍtimes, equal to the value to the /ast error code

2. With the DST a// error codes in the error buffer can bemade visible. While in SDM. transmit the command:"DIAGNOSEx Ol( wherex is the position in the

error buffer to be made visiblex ranges Írom 1, (the last(actual) error) to 7 (the Íirsterror)

The LED will operate in the same way as in point 1, butnow Íor the error code on position x.

(1)(21(3)(4)

Example:Errorcodeposition 1 2 3 4 5 6 7Errorbuffer 2 4 1 0 0 0 0

c afterenteing SDMblink (2x) - pause - blink (2x). after transmlfÍ,íng "DIAGNOSE 2 OK with the DSTblink (4x) - pause - blink (4x)o after transmrftlng "DIAGNOSE 3 OK' with the DSTbl ink-pause-b l ink. after transmltÍrÍng "DIAGNOSE 4 OK' with the DSTnothing happens

Note!

lmportant!

Note that it may take up to 7 seconds beforethe set respons to a DIAGNOSE contmand.lnterruption of the blinking sequence maylead to incorrect results.

Not all software versions of the MDl.2Echassis support the blínking LED procedureand the DIAGNOSE 99 command. Softwareversions NOT supporting the blinking LEDprocedure are MlZBAx-x.x and Ml2COx-3.x.

Table 6.1 Error code list

6.3

Enorcode

EÍor desoiption Bfinkingl € D ,

Pgssble , .deÍectve-coÍnpgnents:

0 No error detected

BIMOS(ID48366) error

1 x 1c7119(SSP)

2 MSP3400/3410erÍor

2x 1c7353(ssP)

3 lzc bus error 3x All lzC-relatedcomponents

4 Wrong EEPROM 4x rc7685 (SSP)

5 EEPROMdefective

5x 1c7685(SSP)

b Tuner errol 6x u1000 (ssP)

7 TXT error 7x rc7702 (ssP)

8 Histogram Proc.eÍror

8x 1c7210(Íeserved)

9 16:9 processorerror

9x 1c7440(16x9 module)

1 0 WSSB moduleerror

10x tc7540(WSSB module)

1 1 Dolby processorerÍor

1 1 x rc7600(Audio module)

Page 18: Philips MD1.2E AA Chas

Protections, FaultÍinding and Repair tips

6.4 Protections

6.4.1 In the MD 1.2E the Íollowing protections arepossible:

Protections generated by the power supply:o Overload protectiono Undedoado Over voltage. Under voltage

DeÍlection:o Horizontal Protectiono EW-Protectionr Vertical Protection

Soítware protectiono BIMOS lC71 19 deÍective -+ (ErroÍ code 1)

Set can be switched between standby and ON, butthere is no picture, no OSD, sound is only noise.

. SDA or SCL shorted -+ (Error code 3)Set is switched to standby via standby line, set tries torestart.

o No +SDb or +8Sc atgC -+ Set is switched tostandby via standby line, set tries to restart.

6.4.2 Power supply protections

The power supply will go to a very good audible hick-upmode in the following situations:r Overload protectionr Under loado Over voltageo Under voltage

ln hick-up modePin 1 of 1C7520 starts up from the start circuit Íorapproximately 2 seconds, immediately after that theprotection is astivated. This cycle is constantly repeated inhick-up mode. When the set is in hick-up mode a shortsqueak is audible every 2 seconds.

6.4.3 Horizontahprotection

When the beam current becomes too high Íor a long periodthe voltage across C2450 will drop. D&50 will staÍtconducting and as soon as the voltage drop across R34S6is 0V7, TS7450 will conduct, making PROT high.Via the hold-circuitry of the power supply, the, set will stay inthe protection mode (standby) and can only be reset byswitching the set off and on via the mains switch. lÍ the Íaultis still present, the set will switch to standby (protectionmode) again.

6.4.4 Ew-protectaon (not Íor 21" sets)

The EasVWest protection switches the power supply tostandby via the signal line STANDBY-SUPPLYPROTECTION. Via the hold-circuitry of the power suppty,the set will stay in the protection mode (standby) and canonly be reset by switching the set oÍf and on via the mainsswitch. lf the Íault is still present, the set will switch tostandby (protection mode) again.

--+ Hick up mode+ Hick up mode+ Hick up mode-+ Hick up mode

-+ Supply to standby-+ Supply to standby-+ BIMOS standby mode

6.4.5

6.4.6

The EasVWest protection detects when the current throughthe Easvwest power output stage with TS7480 is too high.

Note: A cunent through the Easwest stage thatis too high can be caused by a defectivepart in the line-deflectíon circuitrv!

The current through the EastArVest stage is measured onthe LSP via 2 precision resistors (R3483 and R3484).In case oÍ a line problem, the easvwesÈcurrent becomestoo high and the voltage across resistors R3483 and R3484rises. When the voltage level exceeds 0.6V, D6480 stansto conduct and STANDBY-SUPPLY PROTECTIONbecomes HIGH. When the voltage across C2480 is veryhigh(e.9. when a line problem ís already present when the set isswitched on with the mains switch), D6zl81 and D6,f82conduct and EW-PROTECTION is activated very Íast.

The East/West protection becomes active in the Íollowingcases:1. Bad contacts oÍ horizontal deÍlection circuit:

. bad contacts of horizontal deflection coilr bad contacts oÍ linearity corrector coil L542i. bad contacts oÍ S-correction capacitoÍ C2427

2. Bad contacts oÍflyback capacrtor C2425.3. Shorted flyback diode D6421 or D6423.4. Shorted S-correction capacttoí C2427.5. Bad solder contacts in the line output stage.When EW-protection has been active, the line outputtransistor 7420 may also be defective.

Vertical-protection

The vertical output stage createsVERTICAL-PROTECïON pulses at every flyback pulsewhen it is functioning correctly. These pulses are sensed bythe BIMOS lC71 19-4D on pin 37. When the pulse train isinterrupted, the BIMOS will switch to BIMOS STANDBYmode. In the BIMOS STANDBY mode, the BTMOS switchesoÍf the VDRIVE+ and VDRIVE- while the RGB outputs areblanked. Circuit breaker 'l463 may be open. Probably, theline output stage will not work and the power supply willswitch to hick-up mode (under voltage protection).

Software protection

The software protection is managed by the microprocessor.It continuously verifies the presence of the +5 and +8supply voltages on pin 34 and the activity oÍ the l2C bus.When the pÍotection becomes active, the soÍtware willswitch the power supply on and off continuously via theSTANDBY line. In this situation the power supply producesa squeaking sound.

PCS 82 272GB�

Page 19: Philips MD1.2E AA Chas

Service Modes, DST, Error messages,- l'C protection

The l2C bus is controlled at each l2O-command.ThereÍore every l2C command has a defined starístopcondition. When the defined start/stop condítion isrepeatedly incorrect, error 3 is placed in the enor bufferand the set switches to software protection.l2C-protection is generated in the Íollowing situations:. SDA shorted to earth. SCL shoÍted to earth. SDA and SCL shortedWhen SCL or SDA is shorted, the set tries to restartand the LED lights in a clearly recognisable pattern.. SDÁ/SCL shorted when the set is switched ON with

the mains switch:LED is 8 seconds RED, 8 seconds GREEN, flashesRED, 8 seconds GREEN, flashes RED, 8 secondsGREEN, flashes RED, etcetera.

. SDIy'SCL shorted during operationLED is I seconds GREEN, flashes RED, g secondsGREEN, Ílashes RED, ercetera,

- +SDb and +8Sc protection of the microprocessor+SDb and +8Sc are the main supply voltages of theentire small signal procêssing oÍ the set. At pin 34 themicroprocêssor senses whether the supply voltages+SSDb or +8Sc coming fÍom the power supply arepresent. When one or both the supply voltages aremíssing, the set switches to soítware protection.

6.5 Fault finding and repair tips

Note that Íor 21' sets, voltages and wave forms may differ.

6.5.1 General

LED andication after start-up procedure is completed- No LED

Set is switched OFF, supply problem or microprocessorproblem.

- LED continuouslySet is in standby, control part deÍective, standby modedefective.

- LED blinkingSet in SDM, transmitting error bufÍer.

Audible checks- Demagnetisation audible: mains voltage is present at

LSP.- EHT audible: supply is operational (line output stage

only works in case VOS (+140V for 25 & 29'; +95Vlor 21") is present.

- Hick-up sound power supply audible: power supply isshorted. Check the LOT (item 5430) and the line outputtransistor TS7420.

6.5.2 Fault Íinding in the power supply

In case of a power supply problem, the power supply canbe simpliÍied to a stand alone power supply at low voltages(low risk) as Íollows:

Control part oÍ the power supply1. Disconnect the SSP (as a result the line will not

function any more and therefore will no longer be aload oÍ the power supply) or disconnect the line byremoving jumper 9400 and R3400 (if present) on theLSP.

2. Connect an external DC power supply between supplypin 1 1C7520 (via a diode - e.g. BYDSÉID - with cathodeto supply pin 1 1C7520) and hot earth (e.9. earth oÍ thebig smoothing capacitor C2505).

3. Connect a oscilloscope to test point P4 at pin g ICZSZO.4. Turn up the exteÍnal DC supply voltage slowly to 17V

DC.

Remark: The lC statts at a supply voltage of 14V DC,after that the supply voftage can drop toapprox. 9V DC. At approximately 18V DC,over voftage protection becomes adive,resulting in a supply voftage drop below 7VDC before a new staft-up is performed byturning up the supply voftage above 14VDC.

5. The correct (measured) situation is displayed in . Otherresults indicate a deÍect in the power supply controlpart (1C7520 or peripheral components at pins 10 or1 1 ) .

Figure 6.2:SV/div; SuS/div+ zlOKHz pulse

Energy tÍansÍer oÍ the power supply (only iÍ controlpart is OK)6. Apply action 1 , 2 and 4 as described earlier.7. Connect a lamp of 230V/100W across the VOS output

capacitor C2569.Connect a 1kQ resistor between the +SSTANDBY(connector 7L10) and the STANDBY line (connector8L10) to switch the power supply to normal operation.Connect the mains connector to a VARIAC but leave itat 0.

10. Connect a voltmeter across C2569 and an oscilloscopebetween the drain of TS7541 (25 & 29) or TS7540(21") and hot earth.

11. Slowly increase the mains input voltage by the VARIAC(in this way further damage to the power supply can beavoided).

8.

9.

PCS 82 273 GB

Page 20: Philips MD1.2E AA Chas

Protections, FaultÍinding and Repair tips

The wave forms Íor the Íollowing mains voltage aÍe given:

Mains in voltagelOVAC:2OV AC:4OV AC:65V AC:> 65V AC: Stable situation, so 40kHz and 140VIn case of a feedback problem, the situation will not stabiliseor the voltage will exceed 140V (95V with 21')

1. Figure 6.3:Mains in 10V AC10v/div; 1Ous/div

2. Figure 6.4:Mains in 20V AC20vldiv; SuS/div+ zlokHz pulse+ VOS3OV

3. Figure 6.5:Mains in 40V ACS0V/div; SuS/div

ulokHz pulse+ VOS8OV

4. Figure 6.6:Mains in 65V ACS0V/div; SuS/div+ 40kHz pulse+ VOS 14OV

Fault finding oÍ the horizontal circuitry

When the horizontal circuitry itselÍ is defective, h can besimplified to a stand alone'switched mode supply" at lowvoltages (low risk) as Íollows:1. Disconnect the set Írom mains.2. Discoínect the SSP by removing all cables to the SSp.3. Conneot an eldemal 50V DC (or 40V DC) supply with

current measurement possibility across C2400.4. Replace the HDRIVE by an eliternal LF generator [fTL

level (between 0 and 5V); duty cycle 50olo) with a t6 kHzpulse at the base oÍ TS7410 (near LOT at the side of thePCB).

20kHz and VOS 7V540kHz and VOS 30VztOkHz and VOS 80VzlOkHz and VOS 1,10V

Correct hóÍizontal circuitryNote that ihè amplitude oÍ the signal strongly depends on theÍrequency of the generator.

2. Figure 6.8:L3; test point at collector line outputtransiBtor (7420)S0V/div; lossidiv

Line deflection open'.Current from e)dernal DC supply isappÍoximately 100m4.

Obseruatlon: small pulse followed by wide pulse and 100mAsupply current

Causes: horizontal deflection coil openlinearity coil L5421 openS-conection C2427 open

3. Figure 6.9:L3; test point at collector line outputtransistor (7420)SoV/diq 1ops/divCurrent from external DG supplyapprox 500m4 !!

Obseruatlon: fast oscillations and 500mA suppty cunentCause: horizontal deflection shorted (e.9. line

deflection coil shofted)

When the line deflection is not completely shorted butonly a number of windings are shorted, the wave Íormdoes not show the oscillation and the curront of thee)Íernal DC supply is approximately 200fnA.

4. Figure 6.10:L3; test point at collector line outpuitransietor (7420)1O0V/div; 1OpS/div

Current ftom e)dernal DC supply isapproximately 150mA

Obseruatlon: flyback time is shofter, one exta pulse inbetween, 150mA supply cunent

Cause: flybackcapacitor C2425 open

5. Figure 6.11:L3; test point at clllector line outputtransiÉtor (7420)1OOV/div; 1OrrS/div

Curretlt from external DC supply > 1A

Obseruatlón: 2 pulses per cycle extra and suppty currentfrom morethan 1A

Cause: short-circuit in picture tube(e.9. EHT to Aquadag)

6.5.3

5. Connect a oscilloscope to test point L1output transisto r 7 42Q\.

Possibilities:1. Figure 6.7:

L3; test point at collector line outputtransistor (7420)S0V/div; lOps/divCurrertt Írom external DC supplyapprox. 100m4

----------------l

ffiffil+-t-t-L.trl-t-1-l-lJH*#fll-HrflHfffiffiHtÏf\ffi

rfiiïftj-tHn--|-rï-rrn-t

ffiffiHt+++-llt+i-t_1Íïï]ïflï-ïïÏ]F+#+fl-I-rt-fifrrï--rm-n

ffiffiF

ffiffiffil-t--]----l-ff-1

ffiffiffin-n*-T-|-Ít

(collector oÍ line

Obseruation: normal l6kHz pulses and 100mA suppty current

Page 21: Philips MD1.2E AA Chas

Service Modes, DST, Error messages,

6.5.4 Fault finding "no picture, no protection" (problem inthe video controller lC part TDA8366-4C)

When there is no picture and no protection, it is most likelythat there is a problem with the BC_INFO caused by theïDA8366, the RGB ampliÍiers or the picture tube.

For measuring, connect a video generator (e.9. PM5518) atthe aeriAl input with a white pattern to the tuner. Trigger theoscilloscope field ftequent. A stable picture is obtained iftriggered with VDRIVE+ at pin 4 511.

Normal start up procedure

1 . First phase oÍ start up; 4 white measuring lines (lines 15,16, | 7, 1 8) and the main picture is muted (wave formsare better visible ff the picture tube is cold);

Figure 6.12:Red (pin 8 oÍ connector R43 on theCRT panel) and green gun (pin 6)1O0V/div DC:100us/div

The total beam current is measured and fed back to pin16 TDA8366 0C71 19)The TDA8366 checks the voltage at pin 1 6 of theTDA8366 during these lines< 4.5V : set remains in this phase> 4.5V : set continues with start up phase 2

2. Secónd phase of start up; each beam is separatelymeasured and the main picture is still muted. Line 15 isRed, line 16 is Green and line 17 is Blue. BC_INFO ismeasured.- differences between the lines (guns) are

compensated- when the diffeÍences are minimal the set continues

with phase 3, otheruise it remains in phase 2

Figure 6.13: [HfIFIlRed (lower line) (pin 8 of connector ' f+JJq+t+{4q4R43 on the CRr panel) and sreen l-TT-TH-tTf(upper line) sun (pin 6) .FlTTfmmmSOV/divAC; H-i-lt_t-t-l100!s/div

3. After staÍt up the picture is present and differences incut-off points of the R, the G and the B gun arecompensated continuously.

RepaiÍ proceduÍe

Typical situation: no picture and no eÍÍoÍ codes- Switch the set on.- In a 4:3 set, press "pictuÍe size' to switch the set to "16:9

compressed" mode.- In a 16:9 set, shift down the picture with the cursor keys.

The start up phase oÍ the set can be identiÍied:

1. A bright white hórizontal line at the top; the rest oÍthe picture is darlt(set hangs in first phase oÍ start up procedure)Oscilloscope picture oÍ the voltage over the guns lookslike figure 6.12.

TDA8366 (1C71 19), picture tube and RGB amplifrers areOK

There should be 4.5V at pin 16 TDA8366.

Possible problem: iÍ there is no 4.5V present at pin 16 oÍTD48366, there is a defect (in one or more oÍ thecomponents) In the BC_INFO Íeedback loop.

2. Small horizontal rcd, green and blue lines at the top;the rest oÍ the pictuÍe is dark(set hangs in second phase of start up procedure)

TDA8366 is OK

Possible problem: one or more of the guns oÍ thepicture tube are badMeasure at pin '16 TDA8366 which feedback line(s) (theR or G or B liÍle) is/are smaller; the correspondingampliÍier(s) or gun(s) is/are Íaulty.

3. No lines visible (pictuÍe dark)Measure pin 16 TDA8366; possible measuremênts:- 0V :

- 5 V :

- Pulses

Check TDA8366 (sandcastle and thesupply voltage)Check RGB amplifiersshort pin 16 TDA8366 to ground,now there will be measuring lines (atcontinuously 5V, phase 1 and 2 isbypassed)

: there is a measuring line, so theTDA8366 is OKMeasure on cathode on the CRTpanel iÍ the measuring lines arepresent:Yes + BC_INFO circuit is open

or no HEATER voltageRGB ampliÍier problemNo

Page 22: Philips MD1.2E AA Chas

Protections, Faultfinding and Repair tips

PCS 82 274 GB

Page 23: Philips MD1.2E AA Chas

7. Supply voltage diagram /

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Page 24: Philips MD1.2E AA Chas

Speisespannung Schaltplan / Diagramme de tension d'alimentation

E5L19 5L19

1L92 íF92

VFnmG -

3tt61 +13D

*13D nil Eil

Eí 1 m

Els54 1W54

Page 25: Philips MD1.2E AA Chas

Power supply 21" lSpeisespannung 21" I @ E Alimentation 21"

2a- "

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mtt0l

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Page 26: Philips MD1.2E AA Chas

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PCS 82 276

Page 27: Philips MD1.2E AA Chas

Large signal panel / GroB-Signal Platine / Platine Íorts signaux

L01 J10 2545H6 SmKg 375649 7540H8 95nCAL02 fto 2550 F6 3504 J7 3757 89 7541 H7 9578 C6L03 J10 2s54 E9 3s05 K7 375a B9 7555 E10 9s79 D8L04 K6 2555 Ero 3506 H9 3759 B9 7556 E10 9581 D8L05 H10 2557 E10 3507 19 3760 A9 7s60 C9 9582 16L06 810 2s59 D9 3sm t9 3781 86 7561 D10 9583 t6L07 C10 2560 D8 3509 H9 3762 A8 7569 89 9590 09L(E K7 2561C7 3510G8 376386 7580D9 9s97D9L10 D10 2S3 08 3511 H8 3764 A7 7590 D7 9601 82Lrl As 2564D8 3512H9 376588 7591 D9 9602A5L13 A3 2$5810 3518F9 376688 7592D6 9603A4L14 As 25€aE6 3519G10 376798 7593C6 960483Lls A3 2569 F6 3s20 t8 540 C3 7ffiC2 ms 83t17 t4 257087 3521 G9 5401 D2 7601 C4 S606 84L19 J4 2572D8 3522H8 5410J4 76n2B2 9607&122 C7 2573D7 3523 F9 911 K5 7m3 84 SO8 A5v4 J1 2575 D6 3524 H8 5/'21 G4 7ru 83 9609 84L25 gf 2580Ê9 3525G9 U24ES 760582 961r 84L28 410 2581 D8 3526 F9 5430 H3 7606 84 9615 A3L38 A8 2582D9 3527F9 v60G2 26049 $2041L39 tr 2592 D9 3528 G9 5/,61 F2 nÊ| 86 9621 81L70 K7 2593D7 3529G9 U62F2 n63gï 9625A2L71 J8 260082 3530G10 5463J1 9001 K3 962682L91 F4 50283 3531 G10 ímD4 S02K4 965085L92 F2 260342 3532G10 5503J8 9003K,t S750A71116C9 2604A2 3533G10 s525F8 9004K5 9751 A7t2ÍJoC7 266C2 3534 F10 5542G7 9005 K3 9752 A81463 E2 2606 83 3535 G10 5544 G6 9006 K4 9753 A81566 E8 2607 84 3536 F10 5545 G6 9007 K4 9754 À8'1572 E8 2608 82 3537 F10 5550 F7 9m K5 9755 Ar01580 E8 2609 85 3$a Fro sS7 Ê6 94m Ê3 9758 882400 D3 2750 Bg 3539 F10 5572 D8 g,ml D2 9759 972401 D3 275r A9 3t40 H7 5750 86 W2E1 978r A62409 K3 2752 A9 3541 H7 5751 86 9{3 Et 9786 A102t10K2 275587 392H6 911 K5 9404C12411 J3 2756 A6 354s G6 il21 Gs 9405 C22112R3 2760 A9 3s4 G7 U22Fs 9406 C42419 E5 2763A7 3í5 G8 6423G5 SO7 E1zpots 2764CA 3s53 E9 U24F5 9408 D2212383 2765 A7 3554 E9 6425 F3 sog G22424G3 2766 A8 3555 Dro 6426 F3 910 K42425 H5 2776 A6 3556 E10 4427 C2 12C22126F5 277AA7 3557Ê10 U2aO2 9418C52427 F3 2787 A7 3558 E10 6441 J2 9419 Ê52429c)3 2788A6 3559D10 6450D3 9420F4243283 2789 A8 3560 D10 6457 J2 9421 H424:|3Js 3400E3 3561 D10 6460Gi 9422842434F4 3401 D2 358C10 U6282 S23 F5242J2 340282 s570 E7 6463 E2 9424 E42450J2 3410K5 3573C6 64A0E4 9425F42451 D2 341 1 J3 3579 G10 6481 D4 9426 F42460 61 3112 J3 358A E6 6€2 D4 9427 l52461G2 y14^4 358906 6501 K8 94í)0J42462 E2 341 5 K2 3590 D6 6503 K8 9436 G22463 E2 3417 J5 3591 E9 6504 J7 W0 H424UC2 3418 84 3592 D6 6507 G8 9441 14248582 3420 G5 3593 D6 6508 t8 9442 H52ffi A 3421 C5 3594 D6 6509 H9 9443 E1247085 3430H4 3s9sD6 6510J7 S50J32471 85 343'1 H4 3596 D10 651 1 J6 9451 G22472D2 34e.H4 3597C6 6512J7 9453G12479D4 gS G3 3598 D9 6513 J8 955 G52ffi Es ss G3 3601 B1 6520 H8 9460 G22441 D5 343s G3 36m 81 6523 H8 9461 F22447 C6 3436 D4 36m A1 6524 H9 9462F22500 J9 3443 | 1 3604 C3 6s25 G8 94U D22fi1 K7 3M D2 3605 83 6530 G9 9465 032WF7 3450 J1 3606 83 6542G7 9466 C42n5n 951 J2 3607 83 6v5 H6 9470G22506 fro up J2 36m 83 6S0 C9 94m D5297 G8 3453 J3 3609 93 6561 D8 9€ Cs2508 19 3454 03 3610 A2 6S2 D8 9507 192510 J6 il55 D2 3611 A3 6S7 E6 9508 Ha2511 J7 3456 D3 s6r2 84 6571 D7 9509 C92512 J8 34s7 J2 361 3 83 6572 D7 951 1 Ha252019 961 H1 3614 84 6S0 D8 992Ha2s21 G9 3462F2 36ís A2 6590 D6 9523 H92522G9 3463F2 3616 A2 6591 C7 9526 F92523G9 U64D2 361782 6s92E9 9s38E102524F9 ffis 85 Sra C1 6m 84 9y0 G62525G8 346685 3619C2 6601 A2 9541 H82526 F9 s67 85 3620 A4 66t0 C4 9544 F92528 G9 3470 85 3U1 C3 6750 86 9il5 H62s30G9 3472F2 3623A1 6751 86 9550162531 G10 3478D5 3624A2 676387 95551102533 G10 3479 D5 3625 82 6764 88 9556 r102534 F10 3480 D5 3626 C1 7410K3 9560 C82s35 F10 3481 D5 3627 81 74'11 02 9561 C82s38F10 3482C5 375086 7420t5 9562C102540 H7 3483 E5 3751 86 7421 H5 ffi7 E72s/1 HA v84 E5 3752 A6 7450 D3 568 E72542H7 3487 D4 3753 A8 74{n D5 9573 C62543 G7 3500 Klo 3754 89 7507 t9 9574 C62544G7 3502 G8 3755A9 7520F9 957s C7

PCS 82277

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Page 28: Philips MD1.2E AA Chas

l iJ - lrvNers isdv

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m ÈilËEFH4+?+-r :- tE sN -Ë- ám , , ' n@. [ r\h t i 9NINdVl l ldvd fAT- l

Page 29: Philips MD1.2E AA Chas

Power supply > 21" / Speisung > 21" I @@ftr Atinr

E[Ë=> 2 4 , ,

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w\ +:rv

Page 30: Philips MD1.2E AA Chas

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PCS 82 278

Alimentation > 21"

gE

stAl{DBY-tt{nf,cnol

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350? It It It

Page 31: Philips MD1.2E AA Chas

Horizontal output / Horizontalausgang /

H(OFR.I-OhTTA.I-

19- . -voor

rE

t{00

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PCS 82 279

Page 32: Philips MD1.2E AA Chas

Sortie horizontale

l t ul f fl hl hl ht .t r Él ^l .l g

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Page 33: Philips MD1.2E AA Chas

AutVertical output / Vertikalausgang / Sortie verticale

frfif;{frHB1'

#$Jfi:í8[tMnb\tJ29 D3

MI B3ffiE\ ffiFi ffi[ï #ir[í $flfiï ffi[r ffi[ïEEI \ZEKTICÁ.I-

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F4wmrilDErufrlON trV+)

ffiffiF2w.

10ms / div

F6m:+lavm

l-5=ovlosc A3.CDR

Al ruDlo-L-3KHz Al0eq.d(wumehded) l$zdgH{ins.dft)

f f i f f iffi Hf,+f,ffiH+++fF]# ++H#++fl50mV / div AC 0V2 / div AC

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Page 34: Philips MD1.2E AA Chas

I audio amplifier / Ton verstàrker lAmpliÍication audio

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tr(RESERVED)

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n50n5r2752niln6s

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PCS 82 280

Page 35: Philips MD1.2E AA Chas

Small signal panel / Klein Signal Platine /

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Page 36: Philips MD1.2E AA Chas

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Page 48: Philips MD1.2E AA Chas

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Page 49: Philips MD1.2E AA Chas

Teletext / Teletext / Télétexte

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Page 50: Philips MD1.2E AA Chas

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Page 51: Philips MD1.2E AA Chas

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Page 52: Philips MD1.2E AA Chas

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Page 53: Philips MD1.2E AA Chas

CRT panel / CRT-Platine / Platine tube cathodique

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Page 54: Philips MD1.2E AA Chas

I

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Page 55: Philips MD1.2E AA Chas

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Page 56: Philips MD1.2E AA Chas

Audio module / Audio Modul / Module audio

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Page 57: Philips MD1.2E AA Chas

NICAM L MODULE

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Page 58: Philips MD1.2E AA Chas

CTI/Black Stretch panel /

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Page 59: Philips MD1.2E AA Chas

GTI/Black Stretch Platine / Platine CTI/Black Stretch

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Page 60: Philips MD1.2E AA Chas

N/S panel / N/S Platine / Platine N/S

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Page 61: Philips MD1.2E AA Chas

N/S PANEL / N/S PLATINE / PLATINE N/S

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Page 62: Philips MD1.2E AA Chas

Mains/Rcs/LED panel / Netz/Rc5/LED Platine / E@Ef E

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Page 63: Philips MD1.2E AA Chas

Plati ne Rescan/RCs/LE D

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Page 64: Philips MD1.2E AA Chas

Control and lnpuUOutput /

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Page 65: Philips MD1.2E AA Chas

Bedienung und Eingang/Ausgang / Commande et Entrée/Sortie

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Page 66: Philips MD1.2E AA Chas

8. Electrical alignments

General: the Service Default Mode (SDM) endService Atignment Mode (SAM) aredescribed in chapter 6.

Alignment @nditions:All electrical adiustments should be peíormed under thefollowing conditions:. Power supply voltage: Z4OV ! 1O%,50H2 r 5%.. Warm-up time: -'10 minutês. The voltages and,oscillograms are measured in relation

to the tuner earth.. Test probe: Ri > 10Me; Ci < 2,S pF.

8.1 Adiustments on the large signal panel

8.1.1 95V/140V suppty vottage

For 21'7v-seÍsConnect a voltmeter to the cathode oÍ D6567.With the aid oÍ R3532 adjust the power suppty voltage to95V t 0.5V.

For sets 21.Connect a voltmeter to the cathode of D6567.With the aid oÍ R35S9 adlust the power suppty voltage to140V t 1V.

8.1.2 VG2 adiustment

Connect a pattem generator displaying a full black picture.Switch the Tv-set to the service default mode(see ohapter 6). Connect an oscilloscope to the picture tubecathodesÍor red, green and blue (pins 6,9 en 11 ófthepicturè tube socket). Set the oscilloscope to DC, SOv/divand 2 ms/div. Measure the DC level of the mèasuringpulses at the end of the Írameblanking (see Íig. 8.1).Using the Vg2 potentiometer on the linetransÍormér (bottompotentiometer) the measuringpulse with the highest levelmust be set to +1 60V I 2V.

MEASURING PULS

i

Figure 8.1

8.1.3 Focusing

ls aligned using the Íocuspotentiomèter on thelinetransformer (top potentiometer).

8.2 Alignments on the small signal panel

8.2.1 40.4 MHz lF Íilter (only Íor sets with SECAM LL'reception)

Using a signal generator (e.9. PM5326) and a capacitor oÍ5,6 pF supply a 4O,4 MHz signal to pin 17 of the tuner.Connect an oscilloscope to pin 1 of fitter 1016. Switch onthe set and select in the installation menu MANUAL;SYSTEM EUR.W. Align coil L51 17 Íor maximum DC outputvoltage.

8.2.2 AFC

Switch the set to service deÍault mode (see chapter 8).Using a pattern generator (e.9. PM5518) supply a signal ona frequency ot 475,25MH2Align coil L51 14 for optimal picture quality.

8.2.3 Picture demodulator (only Íor sets with sEcAM LL,reception)

Using a signal generator (e.9. PM5326) suppty a 32.9SMHZsignal via a 5,6 pF capacitor to pin 17 of the tuneÍ.Align the signal level oÍ the generator so that the Dc-voltageon pin 5 of the tuner is 5V.Switch on the set and select in the installation menuMANUAL; SYSTEM FRANCE. Align capaciror C2106 Íorminimal voltage on pin 5 oÍ the tuner.

8.2.4 RF-AGC

lf the signal of a strong local transmitter is distorted, alignthe value for AX (AGC crossover) in the seÍvice menu(see chapter 8) until the picture is no longer distorted.

8.2.5 Audio demodulator (Not Íor sets with LL' andNICAM reception possibility)

Using a signal generatoÍ (e.9. PM5326) supply a 38.9MHzsignal via a 5,6 pF capacitor to pin 17 oÍ the tuner.Connect an oscilloscope (2ms/div) to pin '12 of lo70g3(IDA3845). Align coil L5030 Íor minimal amplitude.

8.3 Picture tube alignments

8.3.1 Whitebalance

Connect a pattern generator and select a white picture.Set contrast to maximum (63) for 21'or to 40 Íor 21'tv-sets. Use the t / I keys to select an alignment and the* / - keys to change the value. Set GD to 50, RD to 57and BD to 45.lf necessary change the settings Íor RD and BD Íor acoÍrect white balance.

; I

PCS 82 295 GB

Page 67: Philips MD1.2E AA Chas

8.3.2 Geometry adjustments (Íor soÍtware versionsMl 2COx-3.x and Ml 2BA<-x.x)

Connect a pattern generator and select a geometry pattern(signal at 475.25 MHz). Switch to the Service DeÍault Mode, then to the Service

Alignment Mode.. Select the desired alignment with the I / I keys.. Change the selected alignment with the - / - keys.. A value between 0 and 63 can be selected.. Changed values are stored immediately.

VerticalVP : VeÍtical Shift

Set this Íor the corÍect vertical position.VA: Picture height

Set this Íor the correct picture height.VL: Veftical linearity

Set this so that the vertical centÍe oÍ the picture is atthe centre oÍ the tube.

VS : Vertical S-correctionSet this so that the height of the squares in the top oÍthe picture equal the height in the bottom oÍ thepacture.

HorizontalHD : Horizontal shift.

Set this so that the horizontal centre oÍ the picture ison the centre of the tube.

For sets with a screen size larger than 21., the followingalignments can be done as well. For 21" sets thesealignments have no function.HW : East-west width

Align the picture width with this.HP : East-west parabola conection

Set this so that the veÍtical lines at the sides of thescreen are straight.

HC : East-west comeÍ-correction.Set this so that the vertical lines are straight in thecoÍners.

HT: TrapeziumcorrectionSet this so that the vertical lines are as vertical aspossible.

Adiustments for 16:9 sets (reserved)16 = N 4:3 tube (options SS, D1 , D2, D3 and D4 not

available (blue))16 = Y 16:9 tube (options SS, D1 , D2, Dg and D4 available)

Options

E2: Number of Euro/Scart connectors (options N or y)N 1 Euro/Scaft connêctor presentY 2 Euro/Scart connectors present

UO: TunertypeN UHF /HFtuner (item i000 is UV916S)Y UHF tuner (item 1000 is UV944S).

Used in the United Kingdom (05 sets)LL : Nicam L (options N or Y)

N Nicam L not presentY Nicam L present (Nicam L panel required

and.item 7353 is MSP3410)Nl : Nicam (stereo) sound (options N or y)

N Only 2CS stereo, no Nicam (item Z3S3 isMSP3400)

Y 2CS and Nicam sterêo (item 7353 is MSp341O)TT : Telete)d (options N or Y)

N No Teletext presentY Teletext present

ET : (Eastern Europe) teletext type (options N or y)N No Eastern Europe teletextY Eastern Europe teletelt (/Sg sets)

14 i 14:9 Picture Íormat supported by 4:3 tube(options N or Y)N Not supportedY Supported

Hl : Histogram (not with software version M12BAx-x.x)N No Histogram present (options VG, VA and

NL not available (blue))Y Histogram present (options VG, VA and NL

available)M2: MD1 .1E or MD1 .2E chassis

(only with soÍtware version M12BAx-x.x)N MDl.1E chassisY MD1 .2E chassis

8.4

Page 68: Philips MD1.2E AA Chas

Large signal panel/ GroB-Signal Platine / Platine Íorts signaux

small signal panel I Ktein-signal Platine / Platine petits signau(

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PCS 82

Page 69: Philips MD1.2E AA Chas

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Page 70: Philips MD1.2E AA Chas

Directions for use

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Page 71: Philips MD1.2E AA Chas

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Page 73: Philips MD1.2E AA Chas

Directions for use

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PCS 41940 GB

Page 74: Philips MD1.2E AA Chas

Directions for use

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Page 75: Philips MD1.2E AA Chas

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Directions for use

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Page 77: Philips MD1.2E AA Chas

1 1. List oÍ abbreviations

ACAF-AMPAGCAMATSAQUADAGAUD-TERR_AMAUD1-TERR-AMAUDIO LAUDIO RAUDIO_LAUDIO-R

BB-INBC_INFOB-SC-INPUTB-TXT(B-Y) rN(B-Y) OUTBC-INFOBG DK STEREOBG LINICAMBG LI STEREOBG-ST/NICBKBLANKBLKBLKSTRBLSBLKSCREENBMB_OSD

C-AFUC_FILTERC-FRONTC-INPUTCRTCRT..cTlCURR.SENZECUT-OFFCVBSCVBSff-FRONTCVBSIí_SC2/FRONT-I NPUTCVBS-COMB/TXTCVBS-SC1-INPUTCVBS-SC2CVBS-SC2-OUTCVBS-SECAMCVBS-TERRCVBS-TERR/SATCVBS_ÏXTCVBS_SAT

D/ADACA-L

DACA_R

DACAM-LDACAM-RDCDEGAUSSDEI.AYDETDFPDEMOD

Alternating CurrentAudio frequency amplifierAutomatic gain contÍolAmplitude modulationAutomatic Tuning SystemEarth Írom the CRTAudio (AM) from the antennaAudio (AM) Írom the antennaAudio leftAudio rightLeft to DBE moduleRight to DBE module

Blue signal to CRT panelBlue signal inputBeam curÍent inÍormationBlue input Írom Euro connectorBlue Teletext signalB-Y input signalGolour difÍerence signal outBlack current inÍo Írom CRT panelSystem PAL BG DK; stereo soundSystem PAL BGI; NICAM soundThe stereo signal Írom PAL BGI or SECAM LSystem BG stereo with NICAM soundBurst key pulseBlanking signalBlack stretchBlack stretchBlack line SBlank screen, signal from the microcomputerBlack matrixBlue on screen display signal

Centre signal to moduleChrominance filterGhrominance signal Írom separate controls panelGhrominance Írom Euro connector 2Cathode Íay tubelndicator Íor difÍerent CRT typesColour tÍansient improvementCurrent sense to detect currentSignal to align the black level oÍ the RGB signalsComposite Video Blanking SynchronisationCVBS or luminance from separate controlsCVBS/luminance signal from Euro connector/front inputCVBS signal to teletextCVBS signal Írom Euro connector 1CVBS signal Írom Euro connector 2CVBS outgoing signal from Euro connector 2CVBS signal to SECAM lCCVBS from the antennaCVBS Signal from antenna or Írom satelliteCVBS to TeletextCVBS signal from satellite tuner

Digital to analogue converterLeft output signal fÍom DFP to headphone(independent volume controlled)Right output signal from DFP to headphone(independent volume controlled)LeÍt output signal Írom DFP to loudspeakerRight output signal Írom DFP to loudspeakerDirect CurrentDegaussingLuminance delayDetectorDigital Sound ProcessorDemodulator

Page 78: Philips MD1.2E AA Chas

r EEAR1 Earth 1 (ground)EARTH Earth (ground)EAST EU East EuroPeEHT ElÍra high tensionEHTINFO Voltage related to beam currentEHTINFO1 Voltage related to beam current to CRT panelEW East-westEW_COMP East-west comPensationEWD Easfwest drive

FBL-INFBL-OFFFBL-PRESENT

FILA_CRTFMFOLDBFRAMEDEFL_RFRONT-DETECTFRONT-INPUT

G-ING_OSDG_SC-INPUTG-TXTG.YG-Y MATRIXGND..GND-AUDIOGND_KEYBOARDGND-LIGHTNINGGND-LINE-SSGND SOUND SUPPLY Ground to the audio amplifier

Fast blanking inFast blanking offFrom Euro connector, detects if theÍe is a full page RGB at theEuro connector or OSD or a MENU Írom an e)dernal sourceFilament for the CRTFrequency modulationFoldbackFrame deflection right signalSignal to detect iÍ on separate controls panel video signals are presentInput ÍÍom separate controls panel at Íront side oÍ the TV set

Green signal inGreen (on screen display) signalGreen input from Euro connectorGreen Teletext signalColour difÍerence signalRGB luminance matíixGround ..GroundGround oÍ keyboardGround on mains moduleGround Írom SS-panel Íor line drive

GND-VOGNDBGNDDG^/

HHDRIVEHEATERHFBLHPULSEHIST

IiBGIDENTINICAMIFINT/EXTIRQITTlacuo

LEDLFULLINEDEFL_CSLINEDEFL_LINLOT

NCNICAMNICAM LNO NORDICNTSCMiBG

OKosc

Ground to the deflectionGround BGround DGreen signal to CRT panel

Horizontal pulseHorizontal drive signalOutput voltage to the tube heaterFeedback Írom line deÍlectionFrom deflection module, horizontal pulse Íor OSD synchronisationHistogram

To Sound module, selects the audio systemldentiÍicationSystem NICAM/PAL IlnteÍmêdiate-ÍÍequencyInternal or external switchingFrom the Satellite or Teletext module, interrupt signal Írom these modulesType indication Sound modulelnteÍ lC buslnpuVOutput

Light emitting diodeLow ÍrequencyTo BIMOS module and Sound module, switches between the L and L'systemConnection for geometry coÍrection panelsConnection Íor geometry correction panelsLine output transformer

Not connectedNear Instantaneous Compending Audio Multiplex (digital sound system)System L-NICAMNot usêd in set for NoÍdic countriesSwitching signal

CorrectOscillator

PCS 82 297 GB

Page 79: Philips MD1.2E AA Chas

\-- List of abbreviations

PALP-GNDPHASE COMPPLLPORPROT

RRC5R.IN(R-Y)rNR-OSDR-SC-INPUTR_TXTR-Y OUTRGB

SANDSANDlSBUSSCART_LSCART-RSATSCLSCLISDASDAaSDAISECAMSECAM LSELECTSEP CTRLSFSIFSIF-SATSNDLSNDL_CL-OUTPUTSNDL-FRONTSND_HEADP-OUTPUTSNDL-SC1-INPUTSNDL-SC1-OUTPUTsNDL_SC2JFRONT_tNPUTSNDL_SC2-OUTPUTSNDL_SPEAKERSNDRSNDR-CWL_OUTPUTSNDR-CL-OUTPUTSNDR-FRONTSNDR-HEADP-OUTPUTSNDR-SC1-INPUTSNDR-SC1-OUTPUTSNDR-SC2-OUTPUTSNDR+-SPEAKERSNDR-SUBWSOUND-ENABLESOUND-SUPSTANDBYSTATUSlSTATU52STD..SVHSSYNCSYNC_TXTSYSSYS..1SC2SC

Phase Alternating Line (colouÍ system)Audio power groundPhase compensationPhase lock loopPower-on resetProtection

Red signal to CRT panelRemote Control signalRed input signalColour difÍerence (R-Y) input signalRed (on screen display) signalRed input Írom Euro connectorRed TeletextColour difÍerence signal outRed Green Blue

Sand castleSand castle signal to Scan moduleSound busSound signal L Írom Euro connectoÍSound signal R from Euro connectorSatellltel2C Clock signalSerial clock pulsel2C dalaTo every other module, serial dataSerial data pulseSEquentiel Coleur A MemoiÍe (colour system)System L-SECAMSelection signal Íor Euroconnectors or separate controlsSeparate controlsSuper flatSound lFSound lF Írom satellite tunerSound left,Left sound to CL output Írom sound moduleLeft sound signal Írom separate controls panelOutput sound lefi to the headphone connectorLeft sound output signal from the audio moduleOutput signal, sound left to Euro connector 1lnput signal sound L Írom EuÍo connector 2 or Íront inputOutput signal sound L to Euro connector 2Sound L signal to loudspeakerSound rightRight CWL audio signal Írom DolbySound right, constant level output to rear cinchesSound right from separate controls panelOutput sound right to the headphone connectorInput signal, sound Íight to Euro connector 1Output signal sound R to Euro connector 1Right sound to Euro connector 2 output from sound moduleSound R signal to loudspeakerSound R signal to subwooÍerTo the Audio Amplifier module, switches on and ofÍ the amplifierSupply voltage of amplifierTo supply module, switches the set in and out oÍ standbyStatus signal Írom Euro connector input to control moduleStatus signal from Euro connector 2 input to control moduleIndicator lor different standardsSuper VHSSynchronisation signalSynchronisation signal lrom TeletextSystem switching signalIndicator Íor difÍeÍent systemsOne carrier soundTwo carrier sound

Page 80: Philips MD1.2E AA Chas

TCLK Teletext clock signalTDATA Teletext data signalTUNING Tuning voltageTUN Indicator for diÍÍerent tuners

VDRIVE Vertical driveVDRIVE+I/D Veítical drive positive sideVOS 140 Volt (95 Volt Íor 21 ')

VFRAME (+ or -) Positive or negative supply voltage Íor frame amplifierVG1_CRT VG'l inputtothe picturetubeVG2 G2 input to the picture tubeVIF Video intermediate ÍrequencyVDD Supply voltageVoD Voltage used in horizontal output stageV0D1 Voltage used in horizontal output stageVoLOT Vohage to lin€ output transformerVoCONN Voltage to Scan moduleVP Video processorVPROT PÍotection voltageVPULSE From deflection module, vertical pulse for OSD synchronisationVSS GroundVSCAVEM Supply voltage Íor SCAVEMVT Tuning voltage

Y_COMB Y (or CVBS) signal to TDA8366Y_FRONT Luminance signal Írom separate controls panelY_OUT Luminance signal outYUV_ON/OFF To Histogram/black stretch module, switch on & ofÍ

UPR Indicator Íor diffeÍent control systems

WEST-EU West Europe

21" EUR 21" Europe+ Present, in diversity tables

Not present in diversity tables

Page 81: Philips MD1.2E AA Chas

2572 482212231175 lnF 10% 500V2573 482212441663 220Ot!F 20"A35V2575 442212613646 120P 5% 50V

2580 4822 124 407232581 4822 122311752542 4822124A10292592 4422121 435262593 5322 121 423A62602 4a22 126 103342603 4A22 126 134992604 4822122333022605 4A22122333022606 482212233302

2607 4822122333022608 4822'122333022605^ 4822 124 404332750 4822124222632751 4822 124 407562751^ 4822124415752752 4822124407692752^ 4822 124 415792755 48221244166327s6 482212422263

3519 4422'116 52256 2k2 5"/" O.sW3520 4822053 12.183 18k 5./. 3W3521 4422 116 52304 82k 5% 0.5W3522 4A22 116 52219 330c! 5./" 0.5W

4422 116 52243 4k7 5% 0.5W4422 1 16 52257 22k 5./. 0.5W4822 116 52303 8k2 5./.0.5W4422 116 522A3 4k7 5"/" 0.5W4422'116 52239 120k 50lo O.sW4822 116 52256 2k2 s7" O.sW

376237633764376537663767

2200pF 20"/. 16V1nF 10 ' l .500V1O0t F 2O"/" 25V47nF 5o/o 25OV100nF 5"/" 63V470pF 10olo 50V22OpF 5"k sOV1nF 5% 50V1nF 5% 50V1nF 5% 50V

1 nF 5% 50V1 nF 5'l. 50V47ttF 2O"/" 25V22OttF 2O"/" 25V1pF 20% 100V.loFF 20"/. sOV4.7ytF 2O"/" 1OOY'lopF 20% 50VZ2OOytF 2O"h 35Y22OpF 2O"/"25V

3523 4822 116 522443524^ 4822 052'101093525 4822 116 522523526 4822 116 521753527 4822 1'16 521443528 4822 116 834643529 4422'116 522073530 4822050224033s31 4422 116 523033532 4822 101 11191

3s33 4822 116 522343534 4A22 116 522973535 4822 116 838643536 4422 116 522573537 4822 116 838643538 4822 050 1 1 0023539 4822 116 838643540^ 4822116430273540 4A22 117 11716354't^ 4822052 10102

3542 4822 117 126213543 4422 117 126213544 48221't7120763545^ 4822 052 101593553 4822 050 110023554 4822 116 521753555 4822 050 216043556 4822 116 521753557 4A22 116 522343558 4422 116 52263

3559 4822 101 l '1186

15k 5% 0.5W1ocl 5"/.0.33W180k 5% 0.5W100í) 5% 0.5w27A 5"/" osw10k 5./. 0.5w1k2 5% 0.5W24k 1"/" O.6W8k2 5% 0.5W't0k 30% 0.1w Pot.

12k 5% 0.5W68k 5% 0.5W10k 5% 0.5w22k5ê/" O.sW'lok 5./" 0.5w1k ' l% 0 .4w10k 5./.0.5woa22 5"k 3Woo27 5"/.3W1k 5./" 0.33W

330c) 5% 5W3300 5% 5W5W 22k5"h15c, 5% 0.33W1k 1% 0 .4W100cr 5"/" 0.5w'160k 1% 0.6w100c! 5% 0_5w100k 5% 0.5w2k7 5"/" O.sW

470cl 30./.0.1wPot

5400 4822 1s7 714015401 4A22 157 714035410^ 4822142403515421^ 4822 157 630795421^ 4822 157 109925424^ 4822 157 530695430^ 4822 140 105955430^ 4822 140 10584s463 4822 156 2091s5463 4422 157 52392

5480^ 4822 158 107285503^ 4822 '142 403155525 4a22 157 708265542 48?2157 709265544 4A22157 70A265545 4422 157 704265550^ 4822 146 103665550^ 4822 146 314695567 4422 157 70426

5572 4422'157 104525572 4A22 157 714665750 4422 157 104525751 4822 157 104s2

27VH1spHLine drive transÍ.LC coil (21')LC coil (otheoBalance coilLOT ELDOR (21")LOT CML16P3q1H27StH

Bridge coil. 11[HMains fi l ter2.4ttB2.4yt{2.4pH2.4tÈTransf. CE425Vtransf.102902502.4pP.

10[H 10%2.21tH 20h1opH 10%1opH 10%

1463^' t501^

1566^1572L1 580^

{ F

2400 4422124A12572401 4822121 420042409 4822'121 43A752410 4822121 41a572411 4822121 43A752412 4422122311752423 4422 121 105072424 4422 124 813152425^ 4822121 704342425^ 5322121 44345

2426^ 4822121 4293/.2427 4822121 105062427 4422 121 105072427^ 4822 121 1.05632433^ 4822126122742442 4822 124 811412450 4822 121 Í06192450^ 4822 121 405182451 4822 121 512522460 4422 126 11157

2461 4822124807912462 4822124807912463 4822 126 111572464 5322 124 4146A2465 4422 126 1'11572466 44221244't3342470 4422 126 126382471 4422 126 1361424A0 4822124407692441 4822 126 11'157

2487^ 4822124404332500^ 4822121 702852501 4822 121 701412504 4822 122311752505^ 4822'124 117722505^ 4822 124 234922506^ 4822121 404A72507 4a?2124a10292508 4a22'121 420072511^ 4822'126 11141

2512^ 4822 126 111412520 4a22124A10292521 4822 126 1349A2522 4a22122311752524 532212't 423862525 4A221242226325?6 4822 126 111572530 4422 124 407692531 4a22 121 430662533 4422 124 41596

2534 4a22122333022535 4422126 124512538 4A22 122 335312540^ 4822 126 124262542 4822'126 135952543^ 4822 126 134512544^ 4822 126 134512550^ 4822 126 107272514 5322121 423462557 5322121 42489

2559^ 4822 124 404332561 4a22124 4145A2563 4822 124 a11392565 4822 124 810292568^ 4822 126'124262569 4A22 124 A12572570 4a22 121 51379

2760 4822 12231175 1nF 10olo 500V2763^ 4822 124 41579 10FF 20"/. 50V2764 442212441596 24rF 2O"/"5OV2765 4822124AO215 1000rF20%35V2766 4822 12440215 1000pF 20'l.35V2776 4822 12231175 1nF 10% 500V2778 4822126 11157 470oF '10% 500V2778 4822 126't'15O1 1.5nF 10% 500V2787 4422121 41856 22nF 5"/"25OV278a 4822121 41a56 22nF 5"/"250V

4822 124 40756 1pF 20% 100V4822124 40769 4.7tF 2o"/ó 1O0V

-)l-

6423^ 4822 13041275 BY22A/206424^ 482? 13041602 BYW95C/20642s 4822 130 42488 BYD33D6426 4a22 130 42488 BYO33D6441 4822 130 42488 BYD3306450 4A22 130 34281 BZX79-C156457^ 4822 13030621 1N41486460 4822 130 42488 BYD33D6462 4822 130 70055 BYV27-4006463 4A22't30 70055 BYV27-400

6480^ 4822 13030621 1N41486481^ 4822 13030621 1N414864A2 4A22 130 34258 BZX79-C566501 442213034241 BZX79-C156503 482213034281 BZX79-C156507 4822 130 42488 BYD33D6508 4822 130 42606 BYD33J6509 4822 130 80655 BZX79-F2V46510^ 4822 13031933 '1N5061

6511^ 4822 13031933 1N5061

6512^ 4822 13031933 1N50616513^ 4822 13031933 1N50616524^ 4822 13031631 BYV10-206525 4822 130 42488 BYD33D6530. 4822 130 30621 1N41486542 4822'130 42606 BYD33J6545 4822 130 41487 BYVgsC6560 4A2213034174 BZX79-C4V76561 4822 130 42488 BYD33D6s62 4822 130 42488 BYD33D

6567 4822 130 70055 BYV27-4006567 4822 13081123 BY229F-8006571^ 4822 13031982 BYV27-1006572 4A22 130 80791 BYV28-200/206580 4a22 130 42498 BYD33D6590 4822 130 42606 aYD33J659't. 4822 13030621 1N41486592 4A22130a3704 BZX79-F136600^ 4822 130 30621 1N41486601^ 4822 13030621 1N4148

6763^ 4a22 13030621 1N41486764 4A22 130 34281 BZX79-C15

47U'F 1O"h 200V1onF '10% 400V47nF 5"h 250V10nF 5% 25OV47nF 5"/" 25OV1nF 10'l.500V47OnF 5"k 25OV1pF 20% 16OV1 lnF 5% 1 .6KV15nF 5% 1.6KV

27nF 10oh 40ov560nF 5"/. 250V470nF 5'l. 250V0.82pF 5% 250V1500pF 10o/o 2KV4.7$F zjók 16OV22OnF 'lyh 25OV100nF 10"/" 250V47OnF 5ol" 63V470pF 10"/. 500V

47O!LF 2O"/" 16V47OttF 2O"/" 16V470pF 10ol. 500V1 000pF 20% 40V470pF 10o/o 500V47OpF 2O"/.35V6.8nF 5% 50V4.7nF 10% 50V4.7ytF 20/" 1OOV470pF 10o/. 500V

47ttF 20"h 25V47OnF 1O"/.25OV33nF s% 400V1nF 10o/ .500V1 50pF 20% 385V220pF 50% 385V100nF 10% 40oV100[F 20% 25V100nF'10o/ó l00V2.2nF 10Y.1KV

2.2nF 1O"/" lKV1OO1LF 2O'h 25V82pF 5% 50V'lnF 10% 500V100nF 5olo 63V22Op,F 2Oo/ó 25V470pF 10o/o 500V4.7tLF 2OoÁ 1OOV1nF 1% 400V24tF 2O"/" sOV

1 nF 5% 50V820pF 10ol. 50V2.2nF 10Y" sOV330pF 10o/" 1KV220pF look 1KV2.2nF 1Oó/o2KV2.2nF 1O"/" zKV3.3nF 20'lo 400V100nF 5% 63V33nF 5% 2s0V

47pF 2oo/o 25V4700pF 20olo 16V22OOqF 2O"h 16v10OpF 20% 25V330pF 10% 1KV47pF l9ok ?OOV82nF 5'l. 63V

@f,;7410 4A22 130 421557420^ 4822 130 632717421^ 4822 130 107797450^ 4822 130 4419774aO 4A22130637267507 4A22130202967520^ 4822 209 900257540 4A22130637477541 4822 130 636987s55 4a2220941397

7556^ 4822 130 100257560 4A22209720427561^ 4822130441977569 4A22 209 90241

BF81 9BU25O8AFBU15O6DXBC558BMTP3O55EFI8T137-600DMC44603PSTP4NA60FISTHSNA6OFITL431 CLP

CNX82AMCTSLOsACPBC558BL78MXX

27892789

{::}3401 ̂ 4822 052 11229 22r) 5"/" O.sW3402^ 4822 052'11229 22c) 5"/" 0.5W341 1 4822 116 52283 4k7 50lo 0.5W3414 4822 '116 52176 10Q 5./" 0.5W3415 4822117 12517 5k65%5W3415 4822117 12618 2k2sè/ó5W3/'17 4822 11652195 47c,5%0.5W3420 442205321644 680k 5% 0.5W3421 48221'1652283 4k7 50h0.5W3421 4822 1 16 83864 1 0k 5"/" O.5W

3430^ 4822 052 11471 470A 5ó/" O.sW3431 4822 11652243 1k55%0.5W3432 4422 1'1652243 1k55%0.5W3433 4822 116 5228r'. 47k50/oOsW3434 4822 116 52297 68k5"/. 0.5W3434 4822 11643482 39k5%0.5W3435 4822 116 52297 68k 5% 0.5W3435 4822 116 83882 39k 5% 0.5W3443^ 4822 052 10688 6c)8 5% 0.33W3450 482211652304 82ks"/.0.5W

3450 4822 116 83882 39k 5% o.sw3451 4822 116 83882 39k 5"/.0.5W3452 4822'116 43882 39k 5% 0.5W3454 4822 116 83864 tok 5% 0.5W3455 4822 116 52272 330k 5% 0.5W3456 4822 1 16 83961 6k8 50/"3/57 4822 116 52244 15k 50/o 0.5W3/61^ 4822 052 10224 202 5% 0.33W3r';6't ̂ 4822 052 1 1 1 58 1c,5 5% 0.5W3462^ 4822052 10224 2c)2 5%0.33W

3r''64^ 4822 052 1 1568 5c)6 5./" 0.5W3465 4822 116 41682 2M2 s"/"OsW3466 4822 116 5229A 680k 5% 0.5W3466 4822 116 8'1783 lM 5 5% 0.5W3467 482211652235 1M 5./.0.5W3467 44221'1652294 680k5%0.5W3470 4822 116 52274 390k 5./" 0.5W3472^ 4822 0521022A 202 5% 0.33W3480 4A22 1'16 5223r'� 100k5%0.5W3480 4422 116 52304 82k 5% 0.5W

3481 4822050 11002 1k 10l.0.4W3442 4822 11652234 l00k 5"/"0.5W3482 48221'1652304 82k s% 0,5W3483^ 4822 05024708 4f,,7 1%0.6W3484^ 4822 050 24708 4c)7 1% 0.6W3487 442211652219 330cr5%0.5W3500. 4822 1'16 21224 1MA/387V VDFI3502^ 4822 052 '10338 3c,3 5% 0.33W3503 4422 11'l 20403 470r)100/.3505 4422 117 12074 7W 1í)5 10%

3506^ 4822 117 '12027 180-3kO 25% PTC3509 4822 116 52'186 22() 5% 0.5W3510 4422 116 52243 4k7 5% 0.5W3511 4822050 11002 1k 1"/. O.4W3512 4822 116 52243 1k5 50/o 0.5W3518 4822 116 s2195 47O 5% 0.5W

3560 4822't16 52256 2k2 5"/. O.sW3561 4822 116 83864 10k 5% 0.5W3568 4A22 116 52234 100k 5% 0.5W3568 4A22 1't6 s2297 68k 5% 0.5W3570 4822 1't6 52213 1800 5'l" 0.5W3573 482205312108 1 í )5%3W3579 4A2211680176 1c l5%0.5W3588^ 4822 052 11338 3c,3 5% 0.5W3589 4a22 116 5223s lM 5% 0.5W

3590 4822 1't652284 47k5"/"O.sW3591 4A2211683872 220c)5%0.5W3592 482211683864 10k5%0.5W3593 482205011002 1k1%0.4W3594 4822 1 16 83864 10k 5'l. 0.5W3595 4822 116 52303 8k2 5% 0.5W3596 4A22050 11002 ' lk 10lo 0.4W3s97 4A22't16 83864 10k 5% 0.5W3598 4822't '1652234 100ks%0.5W3601 4822 ' t1681039 1cr85%0.5W

360'1 4822 116 8'1 154 202 5% 0.5W3601 4a2211681155 3cr95%0.5W3602 4A22't1681039 lO85%0.5W3602 4822 116 A1154 2{r2 5"/" O.sW3602 5322 '11653564 3cr35%0.5W3603 482211681154 2c l25%0.5W3603 482211681155 3c !95%0.5W3603 5322 1't6 53564 3c,3 5% O.5W3604 4A22 1't6 80'176 1c! 5"/. 0.5W3605 4822 116 52186 220 50/o 0.5W

3606 4822050 11002 1k1'/.0.4W3607 4822 116 52226 560r) 5% 0.5W3608 4a22050 11002 1k 1"/.0.4W3609 4822 1'16 A16a2 2M25"/" O.sW3610 4A22 1't6 52249 1k8 5'l" 0.5W3611 4822 116 52249 1k8 5% 0.5W3612 4822't16 52283 4k75%0.5W3613 4822 116 83864 l0k 5% 0.5W3614 4a22 116 52243 1k5 5% 0.5W361s 4a22 116 52276 3k9 5% 0.5W

3616 4822 116 522A4 47k 50/o OsW3617 4a22 116 83474 220k 5"/" O.sW36'18 4a22 11683872 220í25"/"0.5W3619 482211683872 22005'/"0.5W3620 4a2211652175 ' �100c25%0.5W3621 4822 116 80176 1c) 5'l.0.5W3623 4822 116 52234 100k 50lo 0.5W3624 4A22 116 52256 2k25"/"O.sW3752^ 4822052 10828 8cr2 5"/.0.33W3753^ 4A22052 10428 8O2 5%0.33W

3754 4822 116 52256 2k25"/.O.sW37s6 482211652269 3k35%0.5W3757 4A22 11652279 4k35700.5W3758 4A22 116 52257 22k5"/"O.5W3759 4A22 116 52291 56k 5% 0.5W3760 4A2205011002 1k1%0.4W3760 4a2211652249 1k850/"0.5W3761 4422 116 52256 2vC. 5"/"O.sW3761 4422'11652269 3k35%0.5W3762 482211652206 120c)5%0.5W

1 2 . S p a r e p a r t s | i s t / S t i i k | i s t e / L i s t e d e s p i è c e s @ E E

LARGE SIGNAL PANELtAI

Various

4422265 41461 10P conn.L 1 0 , 1 ' l , 1 5

4822265 40421 6P conn- L194822 265 10742 7P conn.1244422264 40207 3P conn. L254422 265 31247 3P conn. 12848222653'1245 4P conn. L384822 265 30389 2P conn. L01,L024422 256 92053 Fuse holder4422 49262076 Spring tÍansistor482249270871 Spting

44224O4314a4 LOT bracket (21')4822 40431488 LOT brackêt4822 4O4 31483 Hêat sink bracket4422 252 11194 19398Ê1 (0,8004)4822 070 331 52 21 83.1 5(3.1 5A)4422 252 51't75 1 9398E1 (2,500)4422 071 52502 19372(2.54)4822 252 51 1A6 19398E1 (2,0A)

Page 82: Philips MD1.2E AA Chas

T7580^ 4822 20980817 MC78007590 4822 130 20293 P0102BA7591^ 4822 13044197 BC558B7592 4822 130 40937 BC548B7s93 4822 130 40937 BC548B7600 4a22 130 42446 8D536

7601 482213060775 2SD1266P7602^ 4822 13041344 8C337-407603 4822 '�130 44s68 BC557B7604 4822 130 44568 BC557B7605^ 4822 13044197 BC558B7606 4822 130 44568 BC557B7760 4822 130 40937 BC548B7761 4822209 32641 TDA2616QiN17763 4822 130 40937 BC548B

SMALL SIGNAL PANELtBI

Various

4822 265 41461 10P conns 1 0 , s 1 ' 1 , s 1 5

4822265 41451 9P conn. S33,S44442226531246 6P conn. S414822267 31987 Pr.conn. 51004822 4O4 314a7 Eracket SSP4422 4O4 31527 Bracket Nicam L

1000 4a2221O 10691 Tuner UV916S1000 482221O10731 Tuner U944S

(UHF only)1031 4422.24242062 0FWL9454

38.9MHz (BGLI)1032 482224240303 0FWG9251M

38.9MHz(BGDt(BG)

1032 4422242415'19 0FWK9260M38.9MHz (l)

1032 482224281854 0FWG9353M38.9MHz (BGLI)

110O^ 4822 071 51001 Fuse1 9372(í00m4)

1116 4822242aO295 0FWG3962M38.9MHz (BG)

1116 4a22242A1436 0FWK3953M38.gMHz (othe4

1117 4a22242'tO692 Xtal 4,433619NIHz

1122 4a22 15330025 Filt. TPS 6MHz(BGr)

11.22 482224272211 Filt. TPS 5.5MHz(othe0

1651 4A22242A1946 Xtal SMHZ'1700 4822242a1962 Xtal 13.875MH2

-{t-

2OO4 4822 12233797 47nF 2O"/. SOV2OO8^ 4822 124 40196 220tLF 2Oo/" 16V

(BGLr)2008 4822 124 81029 100pF 20% 25V

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PCS 419

Page 83: Philips MD1.2E AA Chas

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