Sony FW-43BZ35F Service Manual page 17

2023/11/28 11:28:19 (GMT+09:00)
1.0 NO POWER-PSU
Overall Flow chart NO POWER G-Board
START
AC Connect (80 ~ 288V
Can TV power on?
NO
Case 1
F6101 Fuse OPEN check
No
STBY output check
(3.35~3.55V)
yes
Power ON input check
(~3.3V)
yes
Yes
Replace Power supply
NO
Replace Power supply
no
Main Board Problem
12V output check
(12.2~13.2V)
Case 2
BL_ON active HIGH
(~3.3V)
yes
Case 3
LED output check
(133.4V~192.9V)
yes
Power Supply
Working Normal
no
Replace Power supply
no
Main Board Problem
Case 4
no
BL Err level check
(~2.8V)
no
Replace Power Supply
yes
17
SYS SET