2. No Picture (LED is orange)

No picture

The button if under

NG

control

 

OK

Measure U701 Pin2=3.3V,

OK

Check X401 oscillate waveform is normal

NG

OK

Check HS/VS from

CN101 is normal

X401 oscillate waveform is normal

OK

Check reset circuit of

U401 is normal

OK

Replace U401

NG

Replace U701

Replace X401

NG

Replace X401

NG

Check Correspondent

 

component

 

 

NG

OK

Replace U401

Check Correspondent component

31

Page 31
Image 31
Acer B203W manual No Picture LED is orange