Service manual

6. Black Screen and Backlight Turn on
Black Screen
Power Fail
Check Power Supply:
Pin 1, 2 of CN102
Check Power:
Pin 2 of U101
Check Reset Waveform
(Pin 84 of U103)
Check Crystal Waveform
(Pin 96,97 of U103)
U101 Fail
Check X101,
C150, C151
U103
(TSUM16AL) Fail
NG
OK
NG
OK
NG
OK
OK
NG
Check Q107,
C152 , R154,
R155, R156
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