Acer V193W - bm - 19" LCD Monitor Service Manual page 32
Service guide
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Also See for V193W - bm - 19" LCD Monitor:
- Quick start manual (81 pages) ,
- Quick start manual (28 pages)
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2. No Picture (LED is orange)
No picture
The button if under
control
OK
Measure U404 Pin2=3.3V,
OK
X401 oscillate
waveform is normal
OK
Check HS/VS from
CN101 is normal
OK
Replace U401
NG
X401 oscillate
waveform is normal
Check reset circuit of
U401 is normal
Replace U401
NG
Replace U404
NG
Replace X401
NG
Check Correspondent
component
32
NG
Replace X401
OK
NG
OK
Check Correspondent
component
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