AOC LM927U - Page 34

AOC LM927U
34
No picture (LED orange)
No picture
The button if under control
Replace U601
Check
Correspondent
component.
Measure U201 PIN2=2.5V
U202 PIN2=3.3V
Check Correspondent
component
Replace U401
X401 oscillate waveform is
normal
Check Correspondent
component
OK
OK
OK
OK
NG
NG
NG
NG
X601 oscillate waveform is
normal
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