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KDL-32/40/46/55HX750,751,753,755,756,757,758,759,75G(AEP/UK/IT/NOR)
107
TROUBLE SHOOTING
2) 3 times blinking (Main Board Error)
3 times blinking
Check D+1.2V at
JL6002
on the B* Board
F6001,IC6001,etc
(B* Board)
Speaker
Check +3.3V_MAIN
at JL6005 on
the B* Board
Check
Speaker Impedance
at SP Connector
F6003,IC6003,etc
(B* Board)
Check AUDIO+12.5V
at pin 2/4 of
CN6001 on
CN6001 on
the B* Board
G* Board
Check +12.5V
at F4601 on
the B* Board
F4601,IC4601,etc
(B* Board)
DC_ALERT
NG
OK
AUDIO
AUDIO
FE/BE Communication
NG
OK
NG
OK
NG
OK
NG
OK
Other B* Board’s parts
(Audio, Tuner, HDMI Eq...)
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