DOWNLOAD Sony KDL-46X4500 / KDL-55X4500 (serv.man2) Service Manual ↓ Size: 5.66 MB | Pages: 58 in PDF or view online for FREE

Model
KDL-46X4500 KDL-55X4500 (serv.man2)
Pages
58
Size
5.66 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kdl-46x4500-kdl-55x4500-sm2.pdf
Date
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Sony KDL-46X4500 / KDL-55X4500 (serv.man2) Service Manual ▷ View online

KDL-46/55X4500 (K)     2-9
2-2-4. AUDIO PROBLEM (Chart D)
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
AU board
NO
YES
NO
NO
Check
FBU board
AU board
Joint connector 
Check
AU board
Check
FBU board
AU board
Joint connector
YES
YES
YES
NO
Check
AU board
KDL-46/55X4500 (K)     2-10
2-2-5. VIDEO PROBLOM (Chart E)
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/G7/GL boards
FBU board
Panel Module
CB1 board
NO
NO
Check
FBU board
AU board
Joint connector
Check
FBU board
AU board
Joint connector
Check
FBU board
AU board
Joint connector
YES
YES
YES
NO
NO
Check
FBU board
YES
YES
Back Light
turn on?
OSD
appear ?
NO
Check
LVDS harness
FBU board
CB1 board
VCBS
Problem?
Check
AU board
YES
KDL-46/55X4500 (K)     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
CN6150 9pin
more than 3V
Yes
Signal board has problem.
Check signal-board
No
G6 board has problem.
Change G6 board.
CN6150 1-4pin
=12
±
1V
Signal board has problem.
Check AU board
Yes
No
2-2-6. NO PICTURE
to 
GL board check
Power-ON
KDL-46/55X4500 (K)     2-12E
GL board check
CN6788
LED_xMUTE
more than  1V?
No
Signal board has problem.
Check signal-board
Panel has problem.
Check Panel
GL  board may have problem.
Change GL board.
Picture OK?
No
Yes
CN6730
PFC_OUT
=390V
±
5%
No
G6 board has problem.
Change G6 board
CN6930
PFC_OUT
=390V
±
5%
No
G7 board has problem.
Change G7 board
Yes
Yes
GL board has broken.
Yes
G6 board
CN6505 1-2pin
=20V
±
30%
Yes
No
G6 board has problem.
Change G6 board
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