Sony KD-55X95 G Series Service Manual page 59

2019/01/15 23:07:08 (GMT+09:00)
4.4 No Picture: @ Tuner
FOR 12V LNB Voltage Checking: @ AEP and JP
+12V_LNB Voltage Checking
MOSFET
OK
OK Check LNB power line Check P_ON_HL signal line OK
Check fuse F2801 Q408/Q409
+12V_MAIN at R495 = 12V? at CL809(R825) = 3.3V?
broken
NG
NG
NG
Change the fuse
Please confirm
OK
Check +12V_Main at CN800
Power Sequence u-
(JL801/JL810)
com
NG
NG
Check harness between
Harness broken
B-Board and G-board
OK
Please refer G-board
troubleshooting
59
SYS SET