Acer AL2251W Service-Handbuch - Seite 34
Blättern Sie online oder laden Sie pdf Service-Handbuch für Monitor Acer AL2251W herunter. Acer AL2251W 49 Seiten. 55.87cm(22”) tft color lcd monitor
Auch für Acer AL2251W: Benutzerhandbuch (20 seiten)
2. No Picture
No picture
The button if
under control
OK
Measure U201 PIN2=2.5V
U202 PIN2=3.3V
OK
X401
waveform is normal
OK
Check HS/VS from
CN301 is normal
Replace U401
OK
Replace U401
NG
NG
Replace
U201, U202
oscillate
NG
NG
X601 oscillate
waveform is normal
OK
Check reset circuit of
U601 is normal
OK
Replace U601
Replace X401
Check Correspondent
component
34
NG
Replace X601
NG
Check Correspondent
component