3) Panel Power Circuit

White screen

Measure Q302 base is low level?

OK

Check CN301 is solder and Q302, Q301 is OK?

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

35

Page 35
Image 35
Acer G195HQ manual Panel Power Circuit, Ok Ng