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34
SERVICE MANUAL Version Date Subject 1.0 4/2011 Original manual issue. 2.0 5/2011 Add Missing Screw Part Number Information. LCD Digital Color TV 9-888-441-02 HISTORY INFORMATION FOR THE FOLLOWING MANUAL: ORIGINAL MANUAL ISSUE DATE: 4/2011 AZ2EK CHASSIS Segment: P-2F KDL-26/32/37/40BX320,321,420 (AEP/UK) S/N range 6,000,001-6,999,999 (WS)

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SER

VIC

E M

AN

UA

L

Vers

ion

Date

Su

bje

ct1.

04/

2011

Orig

inal

man

ual i

ssue

.2.

05/

2011

Add

Mis

sing

Scr

ew P

art N

umbe

r Inf

orm

atio

n.

LCD

Dig

ital C

olor

TV

9-88

8-44

1-02

HIS

TO

RY

IN

FO

RM

ATIO

N F

OR

TH

E F

OLLO

WIN

G M

AN

UA

L:

OR

IGIN

AL M

AN

UA

L I

SS

UE

DA

TE

: 4

/2

01

1AZ

2EKCHASSIS

Seg

men

t: P

-2F

KD

L-26

/32/

37/4

0BX

320,

321,

420

(AE

P/U

K)

S/N

rang

e6,

000,

001-

6,99

9,99

9 (W

S)

SER

VIC

E M

AN

UA

L LCD

Dig

ital C

olor

TV

AZ2E

KCHASSIS

Seg

men

t: P

-2F

9-88

8-44

1-02

KD

L-26

/32/

37/4

0BX

320,

321,

420(

AE

P/U

K)

3

MO

DEL L

IST

MODEL

COLOR

COMMANDER

DEST.

MODEL

COLOR

COMMANDER

DEST.

KD

L-2

6B

X3

20

Black

RM-ED046

AEP/UK

KD

L-2

6B

X3

21

Black

RM-ED046

AEP/UK

KD

L-3

2B

X3

20

Black

RM-ED046

AEP/UK

KD

L-3

2B

X3

21

Black

RM-ED046

AEP/UK

KD

L-3

2B

X4

20

Black

RM-ED046

AEP

KD

L-3

7B

X4

20

Black

RM-ED046

AEP

KD

L-4

0B

X4

20

Black

RM-ED046

AEP/UK

KD

L-26

/32/

37/4

0BX

320,

321,

420(

AE

P/U

K)

4

WA

RN

ING

S A

ND

CA

UTIO

NS

-E

NG

LIS

H

CA

UTI

ON

Thes

e se

rvic

ing

inst

ruct

ions

are

for u

se b

y qu

alifi

ed se

rvic

e pe

rson

nel o

nly.

To re

duce

the

risk

of e

lect

ric sh

ock,

do

not p

erfo

rm a

ny se

rvic

ing

othe

r tha

n th

at c

onta

ined

in th

e op

erat

ing

inst

ruct

ions

unl

ess y

ou a

re q

ualif

ied

to d

o so

.

WA

RN

ING

!!A

n is

olat

ion

trans

form

er sh

ould

be

used

dur

ing

any

serv

ice

to a

void

pos

sibl

e sh

ock

haza

rd, b

ecau

se o

f liv

e ch

assi

s.Th

e ch

assi

s of t

his r

ecei

ver i

s dire

ctly

con

nect

ed to

the

ac p

ower

line

.

CA

RR

YIN

G T

HE

TVB

e su

re to

follo

w th

ese

guid

elin

es to

pro

tect

you

r pro

perty

and

avo

id c

ausi

ng se

rious

inju

ry.

•Car

ry th

e TV

with

an

adeq

uate

num

ber o

f peo

ple;

larg

er si

ze T

Vsr

equi

re tw

o or

mor

e pe

ople

.•C

orre

ct h

and

plac

emen

t whi

le c

arry

ing

the

TV is

ver

y im

porta

nt fo

r saf

ety

and

to a

void

dam

ages

.

SAFE

TY-R

ELA

TED

CO

MPO

NEN

T W

AR

NIN

G!!

Com

pone

nts i

dent

ified

by

shad

ing

and

! mar

k on

the

sche

mat

ic d

iagr

ams,

expl

oded

vie

ws,

and

in th

e pa

rts li

st a

re c

ritic

al fo

r saf

e op

erat

ion.

Rep

lace

thes

e co

mpo

nent

s with

Son

y pa

rts w

hose

par

t num

bers

app

ear a

s sho

wn

in th

is m

anua

l or i

n su

pple

men

ts p

ublis

hed

by S

ony.

Circ

uit a

djus

tmen

ts th

at a

re c

ritic

al fo

r saf

e op

erat

ion

are

iden

tifie

d in

this

man

ual.

Follo

w th

ese

proc

edur

es w

hene

ver c

ritic

al c

ompo

nent

s are

repl

aced

or i

mpr

oper

ope

ratio

n is

susp

ecte

d.

KD

L-26

/32/

37/4

0BX

320,

321,

420(

AE

P/U

K)

5

WA

RN

ING

S A

ND

CA

UTIO

NS

-FR

EN

CH

ATT

ENTI

ON

!!C

es in

stru

ctio

ns d

e se

rvic

e so

nt à

l’usa

ge d

u pe

rson

nel d

e se

rvic

e qu

alifi

ése

ulem

ent.

Pour

pré

veni

r le

risqu

e de

cho

c él

ectri

que,

ne

pas f

aire

l’en

tretie

n au

tre q

ue c

elui

con

tenu

dan

s le

Mod

e d’

empl

oi à

moi

ns q

ue v

ous s

oyez

qua

lifi é

faire

ain

si.

WA

RN

ING

!!A

fi n

d’ev

iter t

out r

isqu

e d’

elec

trocu

tion

prov

enan

t d’u

n ch

ássis

sous

tens

ion,

un

trans

form

ateu

r d’is

olem

ent d

oit e

tre u

tilis

élo

rs d

e to

ut d

épan

nage

. Le

chás

sis d

e ce

réce

pteu

r est

di

rect

emen

t rac

cord

éà

l’alim

enta

tion

du se

cteu

r.

POU

R T

RA

NSP

OR

TER

LE

TÉLÉ

VISE

UR

Tene

z co

mpt

e de

ce

qui s

uit p

enda

nt l’

inst

alla

tion

du té

lévi

seur

:•D

ébra

nche

z to

us le

s câb

les a

vant

de

trans

porte

r le

télé

vise

ur.

•Tra

nspo

rtez

le té

lévi

seur

ave

c le

nom

bre

de p

erso

nnes

app

ropr

ié; u

n té

lévi

seur

de

gran

de ta

ille

doit

être

tran

spor

tépa

r au

moi

ns d

eux

pers

onne

s.•L

ors d

u tra

nspo

rt du

télé

vise

ur, l

’em

plac

emen

t des

mai

ns e

st tr

ès im

porta

nt p

our v

otre

sécu

rité,

ain

si q

ue p

our é

vite

r de

caus

er d

es d

omm

ages

.

ALE

RTE

!!A

fi n

d’ev

iter t

out r

isqu

e d’

elec

trocu

tion

prov

enan

t d’u

n ch

assis

sous

tens

ion,

un

trans

form

ateu

r d’is

olem

ent d

oit e

tre u

tilis

e lo

rs d

e to

ut d

epan

nage

. Le

chas

sis d

e ce

rece

pteu

r est

di

rect

emen

t rac

cord

e a

l’alim

enta

tion

du se

cteu

r.

ATT

ENTI

ON

AU

X C

OM

POSA

NTS

REL

ATI

FS A

LA

SEC

UR

ITE!

!Le

s com

posa

nts i

dent

ifi e

s par

une

tram

e et

par

une

mar

que

! sur

les s

chem

as d

e pr

inci

pe, l

es v

ues e

xplo

sees

et l

es li

stes

de

piec

es so

nt d

’une

impo

rtanc

e cr

itiqu

e po

ur la

secu

rite

du

fonc

tionn

emen

t. N

e le

s rem

plac

er q

ue p

ar d

es c

ompo

sant

s Son

y do

nt le

num

ero

de p

iece

est

indi

que

dans

le p

rese

nt m

anue

l ou

dans

des

supp

lem

ents

pub

lies p

ar S

ony.

Les

regl

ages

de

circ

uit d

ont l

’impo

rtanc

e es

t crit

ique

pou

r la

secu

rite

du fo

nctio

nnem

ent s

ont i

dent

ifi e

s dan

s le

pres

ent m

anue

l. Su

ivre

ces

pro

cedu

res l

ors d

e ch

aque

rem

plac

emen

t de

com

posa

nts c

ritiq

ues,

ou lo

rsqu

’un

mau

vais

fonc

tionn

emen

t sus

pect

e.

KD

L-26

/32/

37/4

0BX

320,

321,

420(

AE

P/U

K)

6

WA

RN

ING

S A

ND

CA

UTIO

NS

USE

CA

UTI

ON

WH

EN H

AN

DLI

NG

TH

E LC

D P

AN

ELW

hen

repa

iring

the

LCD

pan

el, b

e su

re y

ou a

re g

roun

ded

by u

sing

a w

rist b

and.

Whe

n re

pairi

ng th

e LC

D p

anel

on

the

wal

l, th

e LC

D p

anel

mus

t be

secu

red

usin

g th

e 4

mou

ntin

g ho

les o

n th

e re

ar c

over

.

1)D

o no

t pre

ss o

n th

e pa

nel o

r fra

me

edge

to a

void

the

risk

of e

lect

ric sh

ock.

2)D

o no

t scr

atch

or p

ress

on

the

pane

l with

any

shar

p ob

ject

s.3)

Do

not l

eave

the

mod

ule

in h

igh

tem

pera

ture

s or i

n ar

eas o

f hig

hhu

mid

ity fo

r an

exte

nded

per

iod

of ti

me.

4)D

o no

t exp

ose

the

LCD

pan

el to

dire

ct su

nlig

ht.

5)A

void

con

tact

with

wat

er. I

t may

cau

se a

shor

t circ

uit w

ithin

the

mod

ule.

6)D

isco

nnec

t the

AC

pow

er w

hen

repl

acin

g th

e ba

cklig

ht (C

CFL

) or i

nver

ter c

ircui

t. (H

igh

volta

ge o

ccur

s at t

he in

verte

r circ

uit a

t65

0Vrm

s.)7)

Alw

ays c

lean

the

LCD

pan

el w

ith a

soft

clot

h m

ater

ial.

8)U

se c

are

whe

n ha

ndlin

g th

e w

ires o

r con

nect

ors o

f the

inve

rter c

ircui

t. D

amag

ing

the

wire

s may

cau

se a

shor

t.9)

Prot

ect t

he p

anel

from

ESD

to a

void

dam

agin

g th

e el

ectro

nic

circ

uit (

C-M

OS)

.10

)It

is re

com

men

ded

not t

o ex

ceed

1 h

our o

f Pow

er-O

n no

r Bur

n-in

per

iod

with

LC

D p

anel

face

dow

n co

nditi

on, i

n re

pair

activ

ity.

KD

L-26

/32/

37/4

0BX

320,

321,

420(

AE

P/U

K)

7

SA

FETY

CH

EC

K-O

UT

Afte

r cor

rect

ing

the

orig

inal

serv

ice

prob

lem

, per

form

the

follo

win

g sa

fety

che

cks b

efor

e re

leas

ing

the

set t

o th

e cu

stom

er:

1. C

heck

the

area

of y

our r

epai

r for

uns

olde

red

or p

oorly

sold

ered

con

nect

ions

. Che

ck th

e en

tire

boar

d su

rfac

e fo

r sol

der s

plas

hes a

nd b

ridge

s.

2. C

heck

the

inte

rboa

rd w

iring

to e

nsur

e th

at n

o w

ires a

re “

pinc

hed”

or to

uchi

ng h

igh-

wat

tage

resi

stor

s.

3. C

heck

that

all

cont

rol k

nobs

, shi

elds

, cov

ers,

grou

nd st

raps

,and

mou

ntin

g ha

rdw

are

have

bee

n re

plac

ed. B

e ab

solu

tely

cer

tain

that

you

hav

e re

plac

ed a

ll th

e in

sula

tors

.

4. L

ook

for u

naut

horiz

ed re

plac

emen

t par

ts, p

artic

ular

ly tr

ansi

stor

s, th

at w

ere

inst

alle

d du

ring

a pr

evio

us re

pair.

Poi

nt th

em o

ut to

the

cust

omer

and

reco

mm

end

thei

r rep

lace

men

t.

5. L

ook

for p

arts

whi

ch, t

houg

h fu

nctio

ning

, sho

w o

bvio

us si

gns o

f det

erio

ratio

n. P

oint

them

out

to th

e cu

stom

er a

nd re

com

men

d th

eir r

epla

cem

ent.

6. C

heck

the

line

cord

s for

cra

cks a

nd a

bras

ion.

Rec

omm

end

the

repl

acem

ent o

f any

such

line

cor

d to

the

cust

omer

.

7. C

heck

the

ante

nna

term

inal

s, m

etal

trim

, “m

etal

lized

”kn

obs,

scre

ws,

and

all o

ther

exp

osed

met

al p

arts

for A

C le

akag

e. C

heck

leak

age

as d

escr

ibed

bel

ow.

8. F

or sa

fety

reas

ons,

repa

iring

the

Pow

er b

oard

and

/or I

nver

terb

oard

is p

rohi

bite

d.

KD

L-26

/32/

37/4

0BX

320,

321,

420(

AE

P/U

K)

8

SA

FETY

CH

EC

K-O

UT

Leak

age

Test

The

AC

leak

age

from

any

exp

osed

met

al p

art t

o ea

rth g

roun

d an

d fr

om a

ll ex

pose

d m

etal

par

ts to

any

exp

osed

m

etal

par

t hav

ing

a re

turn

to c

hass

is, m

ust n

ot e

xcee

d 0.

5 m

A (5

00 m

icro

ampe

res)

.Le

akag

e cu

rren

t can

be

mea

sure

d by

any

one

of t

hree

met

hods

.

1. A

com

mer

cial

leak

age

test

er, s

uch

as th

e Si

mps

on 2

29 o

r RC

A W

T-54

0A. F

ollo

w th

e m

anuf

actu

rers

’in

stru

ctio

ns to

use

thes

e in

stru

ctio

ns.

2. A

bat

tery

-ope

rate

d A

C m

illia

mpm

eter

. The

Dat

a Pr

ecis

ion

245

digi

tal m

ultim

eter

is su

itabl

e fo

r thi

s job

.3.

Mea

surin

g th

e vo

ltage

dro

p ac

ross

a re

sist

or b

y m

eans

of a

VO

M o

r bat

tery

-ope

rate

d A

C v

oltm

eter

. The

“l

imit”

indi

catio

n is

0.7

5 V

, so

anal

og m

eter

s mus

t hav

e an

acc

urat

e lo

w v

olta

ge sc

ale.

The

Sim

pson

’s 2

50 a

nd S

anw

a SH

-63T

RD

are

exa

mpl

es o

f pas

sive

VO

Ms t

hat a

re su

itabl

e. N

early

all

batte

ry-o

pera

ted

digi

tal m

ultim

eter

s tha

t hav

e a

2 V

AC

rang

e ar

e su

itabl

e (s

ee F

igur

e A

).

How

to F

ind

a G

ood

Eart

h G

roun

dA

col

d-w

ater

pip

e is

a g

uara

ntee

d ea

rth g

roun

d; th

e co

ver-

plat

e re

tain

ing

scre

w o

n m

ost A

C o

utle

t box

es is

als

o at

ear

th g

roun

d.If

the

reta

inin

g sc

rew

is to

be

used

as y

our e

arth

gro

und,

ver

ify th

at it

is a

t gro

und

by m

easu

ring

the

resi

stan

ce

betw

een

it an

d a

cold

-wat

er p

ipe

with

an

ohm

met

er. T

he re

adin

g sh

ould

be

zero

ohm

s.If

a c

old-

wat

er p

ipe

is n

ot a

cces

sibl

e, c

onne

ct a

60-

to 1

00-w

att t

roub

le-l

ight

(not

a n

eon

lam

p) b

etw

een

the

hot

side

of t

he re

cept

acle

and

the

reta

inin

g sc

rew

. Try

bot

h sl

ots,

if ne

cess

ary,

to lo

cate

the

hot s

ide

on th

e lin

e; th

e la

mp

shou

ld li

ght a

t nor

mal

bril

lianc

e if

the

scre

w is

at g

roun

dpo

tent

ial (

see

Figu

re B

).

KD

L-26

/32/

37/4

0BX

320,

321,

420(

AE

P/U

K)

9

SELF D

IAG

NO

SIS

FU

NC

TIO

N

DIA

GN

OST

IC T

EST

IND

ICA

TOR

SW

hen

an e

rror

occ

urs,

the

STA

ND

BY

LED

will

flas

h a

set n

umbe

r oft

imes

to

indi

cate

the

poss

ible

cau

se o

f the

pro

blem

.If

ther

e is

mor

e th

an o

ne e

rror

, the

LED

will

iden

tify

the

first

of th

e pr

oble

m a

reas

.R

esul

t for

all

of th

e fo

llow

ing

diag

nost

ic it

ems a

re d

ispl

ayed

on

scre

en.

If th

e sc

reen

dis

play

s a “

0”, n

o er

ror h

as o

ccur

red

.

The

units

in th

is m

anua

l con

tain

a se

lf-di

agno

stic

func

tion.

If a

n er

ror o

ccur

s, th

e ST

AN

DB

Y L

ED w

ill a

utom

atic

ally

beg

in to

flas

h.Th

e nu

mbe

r of t

imes

the

LED

flas

hes t

rans

late

s to

a pr

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L-26

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12

REF.

No.

PAR

T No

.DE

SCR

IPTI

ON

REM

ARK

1W

S00

2040

1R

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CO

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(GW

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1-1

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LIS

T

2

1

KD

L-26

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420(

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P/U

K)

13

REF.

No.

PAR

T N

o.DE

SCR

IPTI

ON

REM

ARK

11W

S001

6001

SW

ITC

H U

NIT

12W

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Y 26

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1314

KD

L-26

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321,

420(

AE

P/U

K)

14

REF.

No.

PAR

T N

o.DE

SCR

IPTI

ON

REM

ARK

31W

S001

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OR

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1-1

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34

33

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31

KD

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320,

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420(

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P/U

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15

REF

. No.

PAR

T No

.DE

SCRI

PTI

ON

REM

ARK

1W

S00

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5DIS

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SEM

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T

3

2

1

KD

L-26

/32/

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0BX

320,

321,

420(

AE

P/U

K)

16

REF.

No.

PAR

T N

o.DE

SCR

IPTI

ON

REM

ARK

11W

S001

6001

SW

ITC

H U

NIT

12W

S001

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RTE

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15

16

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CK

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19

21

17

BO

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M F

RA

ME

1818

KD

L-26

/32/

37/4

0BX

320,

321,

420(

AE

P/U

K)

17

REF.

No.

PAR

T N

o.DE

SCR

IPTI

ON

REM

ARK

31W

S001

6901

PAN

EL

SU

PP

OR

T (A

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1-37

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(A32

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377-

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TED

PW

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SEM

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AR

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34

33

32

31

KD

L-26

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320,

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AE

P/U

K)

18

REF.

No.

PART

No.

DESC

RIPT

ION

REM

ARK

1W

S002

3001

RE

AR C

OVE

R (G

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OV

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AS

SY

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TA

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CK

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-2.

VES

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EC

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ND

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SEM

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AN

D P

AR

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T

3

2

1

KD

L-26

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0BX

320,

321,

420(

AE

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K)

19

REF

. No.

PA

RT

No.

DES

CRIP

TIO

NR

EMAR

K

11W

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6001

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CH

UN

IT12

WS0

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ON

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. K

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BO

TTO

M F

RA

ME A

ND

SP

EA

KER

11

13

12

14

15

16

1-3

-3.

G1

3 B

OA

RD

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BO

AR

D,

SW

ITC

H U

NIT

AN

D S

IDE B

RA

CK

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19

17

18

20

KD

L-26

/32/

37/4

0BX

320,

321,

420(

AE

P/U

K)

20

REF.

No.

PART

No.

DESC

RIPT

ION

REM

ARK

31W

S001

6901

PAN

EL

SU

PP

OR

T (A

)32

1-81

1-37

4-11

LCD

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31

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REF.

No.

PART

No.

DESC

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