3. White screen
White screen
Measure Q707 base is low level?
NG
X402 oscillate waveform is normal
OK
OK
NG
Replace X402
Check Q705,Q706,Q707 is broken or CN703 solder?
Check U403/U407
NG Check Correspondent | NG |
component. |
|
OK
Replace U403/U407
Replace PANEL
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