DOWNLOAD Sony KDL-40X4000 / KDL-46X4000 / KDL-52X4000 (serv.man2) Service Manual ↓ Size: 4.14 MB | Pages: 55 in PDF or view online for FREE

Model
KDL-40X4000 KDL-46X4000 KDL-52X4000 (serv.man2)
Pages
55
Size
4.14 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-40x4000-kdl-46x4000-kdl-52x4000-sm2.pdf
Date
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Sony KDL-40X4000 / KDL-46X4000 / KDL-52X4000 (serv.man2) Service Manual ▷ View online

KDL-40/46/52X4000 (WB)     2-9
Here is trouble shooting flow related audio
Audio
problem
Only 
Speaker out? 
YES
NO
UI setting
correct?
Volume, SP off/On
HP Link 
Analog
Channel
Problem ?
Digital
Channel
Problem?
HDMI
Problem ?
Set correctly or
reset by menu.
Check 
Speaker
ACW-TW board
NO
YES
NO
NO
Check
FBA board
ACW-TW board
Joint connector 
Check
ACW-TW board
Check
FBA board
ACW-TW board
Joint connector
YES
YES
YES
NO
Check
ACW-TW board 
2-6. AUDIO PROBLEM (Chart D)
KDL-40/46/52X4000 (WB)     2-10
Here is trouble shooting flow related Video
Video
problem
All inputs
have
problem?
YES
NO
Digital
/Analog
Channel
Problem ?
Component
Problem?
HDMI
Problem ?
Check
LVDS harness
G6 board
FBA board
Panel Module
NO
NO
Check
FBA board
ACW-TW board
Joint connector
Check
FBA board
ACW-TW board
Joint connector
Check
FBA board
ACW-TW board
Joint connector
YES
YES
YES
NO
NO
Check
FBA board
YES
YES
Back Light
turn on?
OSD
appear ?
NO
Check
LVDS harness
FBA board
VCBS
Problem?
Check
ACW-TW board
YES
2-7. AUDIO PROBLEM (Chart D)
KDL-40/46/52X4000 (WB)     2-11
No Picture
Power-ON_LED
Light 
STBY_3.3V
OK?
G6 board has problem.
Change G6 board.
No
No
Yes
Yes
STBY_LED
Blinking?
Yes
2 times
blinking
6 times
blinking
Yes
Yes
No
No
Signal board has problem.
Check signal-board.
G6 board has problem.
Change G6 board.
No
Signal board has problem.
Check signal-board.
AC_OFF_DET
more than 3V
Yes
G6 board has problem.
Change G6 board.
No
G6 board 
CN6150 9pin
more than 3V
Yes
Signal board has problem.
Check signal-board.
No
G6 board has problem.
Change G6 board.
G6 board
CN6150 1-4pin
=12
±
1V
Signal board has problem.
Check ACW-TW board.
Yes
No
to 
6 times blinking
13 times blinking
Power-ON
2-8. NO PICTURE
KDL-40/46/52X4000 (WB)     2-12E
STBY-LED
6 times blinking
D1)
 board 
CN6702 2pin
Is Dimmer signa
l normal?
Yes
D1)
 board 
CN6702 3pin
more than 3V?
Yes
No
No
Signal board has problem.
Check signal-board
Signal board has problem.
Check signal-board
D2) board has problem.
Change 
D*
  board.
STBY-LED
13 times blinking
D1)
 board 
CN6701 6,7pin
less than 1V?
Yes
No
Panel has problem.
Check Panel
D2) board may have problem.
Change D4 board.
Signal board h
as problem.
Check signal-
board
Picture OK?
No
D2) board is no problem.
Change back PS  board.
Yes
D2) board has broken
Back-Light on
DIMMER
LD-signal
D1): D3 BOARD: KDL-40/46X4000
        D4 BOARD: KDL-52X4000
D2): D3 BOARD: KDL-40/46X4000
        D4/D5 BOARD: KDL-52X4000
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