Read Sony KDL-70X4500 / KLV-70X450A Service Manual online
KLV-70X450A (E), KDL-70X4500 (NZ, ES) 2-11
No Picture
Power-ON_LED
Light
STBY_3.3V
OK?
G8 board has problem.
Change G8 board.
Change G8 board.
No
No
Yes
Yes
STBY_LED
Blinking?
Yes
2 times
blinking
blinking
6 times
blinking
blinking
Yes
Yes
No
No
Signal board has problem.
Check signal-board.
Check signal-board.
G8 board has problem.
Change G8 board.
Change G8 board.
No
Signal board has problem.
Check signal-board.
Check signal-board.
AC_OFF_DET
more than 3V
Yes
G8 board has problem.
Change G8 board.
Change G8 board.
No
G8 board
CN6402 9pin
more than 3V
Yes
Signal board has problem.
Check signal-board.
Check signal-board.
No
G8 board has problem.
Change G8 board.
Change G8 board.
G8 board
CN6402 1-4pin
=12
±
1V
Signal board has problem.
Check A* board.
Check A* board.
Yes
No
to
G9 board check
G9 board check
Power-ON
* : AAS Board = KDL-70X4500
AGA Board = KLV-70X450A
AGA Board = KLV-70X450A
F2 board
F6000, F6001
FUSE CHECK
Yes
F2 board has problem.
Change F2 board.
Change F2 board.
No
2-8. NO PICTURE
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