Acer V193W - bm - 19" LCD Monitor User Manual

32
2. No Picture (LED is orange)
No picture
The button if under
control
X401 oscillate
waveform is normal
Replace U401
Replace X401
Measure U404 Pin2=3.3V,
Check Correspondent
component
Replace U401
X401 oscillate
waveform is normal
Replace U404
OK
OK
OK
OK
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
Check HS/VS from
CN101 is normal
Replace X401
Check Correspondent
component
NG
NG
OK

Acer V193W - bm - 19" LCD Monitor Specifications

General

Screen Size	19 inches
Resolution	1440 x 900
Aspect Ratio	16:10
Brightness	300 cd/m²
Contrast Ratio	2000:1 (dynamic)
Response Time	5 ms
Input Connectors	VGA
Viewing Angles	170° horizontal, 160° vertical