T.MSD309.8B

SERVICE MANUAL

FOR 40 LCD TV PLAYER

Content

Caution & Warning 3

Safety Notice 4

PC Display Modes 4

Specifications 5

Factory Settings Introduce 6

Troubleshooting Charts 7

Wiring (Circuit) Diagrams 8

Schematic Diagram 9

Exploded View and Mechanical Parts List 25

Caution

Be sure to read this manual before servicing. To assure safety from fire,

electric shock, Injury, harmful radiation and materials, various measures are

provided in this liquid crystal television/monitor.

Be sure to read the cautionary items described in the manual to maintain

safety before servicing.

Service Warning

1. The LCD Panel Module is made of glass. When handling broken LCD

Panel Module, take special care not to be injured.

2. Replacement work should only start after the LCD Panel Module and the

AC/DC Power Supply has become sufficiently cool.

3.Take special care of the LCD display panel and do not damage its surface.

4.Do not touch the LCD Panel Module with your bare hands and protect its

surface from stains.

5.It is recommended to use clean soft gloves during servicing in order to

protect the LCD display panel and the service personnel himself.

Safety Notice

Maintenance and repair of this LCD TV should be done by qualified service personnel only.

Critical parts that have special safety characteristics are identified by a in the

replacement parts list. Use of any substitute replacement part that does not have the same

safety characteristics as the recommended replacement part in the parts list might create

shock, fire and / or other hazards.

Read and comply with all caution and safety related notes on or inside the LCD/monitor

cabinet, the

printed circuit boards or the LCD Panel Module. Please note the following safety symbols

indicated below.

PC Display Modes

* Sometimes, the image may be disrupted due to the frequency standard from the VGA card.

However, this is not an error. You may improve this situation by activating the automatic

adjustment or by manually changing the phase and the clock settings in the menu.

* If you switch off the TV, interference lines may occur on your screen. Please note that is

normal.

* To extend the service life of the product, we recommend that you use your computer's

power management function.

Specifications

Headphone JackPC Stereo input

Panel

Size Display Size Type Pixel pitch Viewing Angle

40" (SAMSUNG) 952.0(H)X551.0 (V)mm TFT color 0.46125 (H)X0.46125(W) mm R/L 178 (Typ.); U/D 178 (Typ.) (Depending on the panel manufacturer, the viewing angle may be different from this spec.)

Lifetime 50,000h

White Luminance 430cd/m2

Contrast ratio 4000:1 (Typ.)

Display Resolution

Optimum Mode Maximum Mode

1920x1080@60Hz 1920x1080@62Hz

Input Signal

Sync. Video signal RGB signal Digital TV USB

HA/Separate, TTL, P. or N. H/V Composite, TTL, P. or N. Sync-on-green 0.3 Vp-p, N. 1 Vp-p @ 75 ohm,0.7Vp-p @ 75ohm DVB-T H.264 MPEG4

TV, Video Color system Sound system Video format

PAL/SECAM DK, I.BG,L/L. CVBS,RGB ,

Power Supply On the main board AC 100-240 Vrms (50Hz / 60Hz)

Power consumption

Typical Power Saving

180W

Factory Settings Introduce Press Menu button then press >1->1->4->7 in turn to into the Factory Menu

Press button to select the item which you want to adjust then press OK button to enter, press /

button to adjust.Press EXIT button to exit Factory Menu

Factory Setting Name Range Default Description

0 ADC ADJUST

0 AUTO ADC

2 Mode RGB

3 R GAIN 4096

4 G GAIN 4096

5 B GAIN 4096

7 R Offset. 0

8 G Offset.. 0

9 B Offset.. 0

1 EMC SETTING

0 MIU Enable 1

1 MIU Span 35

2 MIU Step 10

4 LVDS Enable 1

5 LVDS Span 35.0KHz

6 LVDS Step 2.00%

2 General

Setting

0.W/B ADJUST

0 TEMPERATURE Normal

2 Mode DTV

3 R GAIN 128

4 G GAIN 128

5 B GAIN 128

7 R Offset. 128

8 G Offset.. 128

9 B Offset.. 128

10 COPY ALL

1. PICTURE

MODE

0 Mode DTV

2 Brightness 128

3 Contrast 128

4 Colour 50

5 Sharpness 30

6 Tint 50

7 COPY ALL

2. SOUND MODE

0 Sound Mode Standard

1 Treble 50

2 Bass 50

3 EQ120Hz 50

4 EQ200Hz 50

5 EQ500Hz 50

6 EQ1.2KHz 50

7 EQ3KHz 50

8 EQ7.5KHz 50

9 EQ12KHz 50

10 RESET SOUND MODE

3. VOLUME CURVE

0 Mode DTV

1 OFFSET 128

2 TAB_1 542

3 TAB_10 746

4 TAB_20 794

5 TAB_30 808

6 TAB_40 824

7 TAB_50 836

8 TAB_60 848

9 TAB_70 857

10 TAB_80 869

11 TAB_90 881

12 TAB_100 899

4. WHITE PATTERN off

5. PVR RECORD ALL off

6. LVDS MAP 0

7.power

8.BL_ADJ 0

9.LCN_ON_OFF ON

10.CI_ ON_OFF ON

11.LOAD SETTING

12.SAVE SETTING

3 DEBUG

0. QMAP ADJUST

0 AFEC

1 Comb

2 SECAM

3 SCinit

4 CSC OFF

5 CSC_Dither OFF

6 YC delay OFF

7 HSD_Y ALLPASS1X

8 HSD_C ALLPASS1X

9 444 TO 422 ON

10 VSD OFF

11 HVSD_ Dither OFF

12 10TO8_ Dither OFF

13 Mem Format 422MF

1. PEQ

0 FO1-Coarse Hz 0

1 FO1-Fine 0

2 FO2-Coarse Hz 0

3 FO2-Fine 0

4 FO3-Coarse Hz 0

5 FO3-Fine 0

6 Gain 1 db -12.0

7 Gain 2 db -12.0

8 Gain 3 db -12.0

9 Q1 0.5

10 Q2 0.5

11 Q3 0.5

2. BMTEST

0 Aeon Dhrystone 0 Dhrystone/sec

1 Mips Dhrystone 0 Dhrystone/sec

2 Aeon MM Test 0 micro second

3 Mips MM Test 0 micro second

3. VIF1

0 AFEC_D4 0

1 AFEC_D5(2) 0

2 AFEC_D8(3:0) 0

3 AFEC_D9(0) 0

4 AFEC_A0 20

5 AFEC_A1 60

6 AFEC_66(7:6) 3

7 AFEC_6E(7:4) 3

8 AFEC_6E(3:0) 88

9 VIF_TOP 0

10 VIF_VGAMAXIMUM 7000

11 VIF_GAIN_DISTRIBUTT 6A00

13 China_DESCRAMBLER 0

4. VIF2

0 VIF_CR_KP1 3

1 VIF_CR_K11 3

2VIF_CR_KP2 6

3VIF_CR_K12 5

4 VIF_CR_KP 6

5VIF_CR_K1 9

6 VIF_CR_LOCK_THR 20

7 VIF_CR_THR 500

8 VIF_CR_KP_K1_ADJUST 0

9 VIF_DELAY_REDUCE 1

10 VIF_OVER_MODULATION 0

11 Version 005

5. VIF3

0 AFEC_D7_LOW_BOUND E

1 AFEC_D7_HIGH_BOUND 18

2 AFEC_43 14

3 AFEC_44 90

5 VIF_CLAMPGAIN_CLAM 750

6 Audio_HIDEV_MODE HIDEVL1

7 AFEC_DSP_Version 238E

6. PWM

0 PWM Port: 0

1 PWM Output off

2 PWM Cycle 0

3 PWM Period 0

7. Audio Output

0 MainSpeakOut 102

1 LineOut 102

2 SIFOut 102

3 SPDIFOut 0

8. UART DEBUG HK

4 SW INFORMATION

0 Build Time 2010-05-08 15:11:09

1 MIU0 DQS0 9

2 MIU0 DQS1 9

3 MIU1 DQS0 0

4 MIU1 DQS1 0

5 VHF_L_H 164

6 VHF_H_UHV 444

7 WDT On

5 INIT TV

6 INIT FAC CHANNEL

7 BURN_MODE

Simple Troubleshooting

SYMPTOM DEALING METHOD

NO POWER Check the powers connection. Pull the plug out, wait for 60seconds, then reconnect the power and open the set.

NO IMAGE Check the connection with the PC SCART TV.

Modify the brightness or contrast setting.

NO VOICE

Increase the volume. Check that if the set is on the mute state or not. Check the voice setting condition. Check the voice mode setting condition.

UNNORMAL COLOR Check the connection

SOME INTERFERE IN THE VGA MODE

Please modify parameter of the LCDTV according to the instruction.

CLEAN THE SET Please pull the plug out when clean the LCD screen. Using soft, clean cloth to wipe it. If need to clean further, please use dry cloth, dont use naphtha or other thinner liquid.

COLOR SPOT

For this product using high definition LCD panel, and this panel having its special character, there exist some color spots, so its normal when the user find few color spots, its not a quality problem. The standard to inspect this panel are all the same which is out of the scope to replace the product.

Circuit (Wiring) Diagram(M40/74J-GB-FTCUP-EU)

Schematic Diagram (Main Board)