19" LCD Color Monitor
White Screen
White screen
AOC 919Swa
Measure Q404base is low level?
OK
Check FB402,Q405 is broken,or CN405 solder?
NG
X401 oscillate waveform is normal
OK NG
Check reset circuit of U401 is normal
Replace X401
Check Correspondent | NG |
| |
component. |
|
|
|
OK
Replace PANEL
NG | Check Correspondent |
| |
| component. |
OK
Replace U401
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