Acer AL2251W Service Manual - Page 35

Browse online or download pdf Service Manual for Monitor Acer AL2251W. Acer AL2251W 49 pages. 55.87cm(22”) tft color lcd monitor
Also for Acer AL2251W: User Manual (20 pages)

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3. White Screen
White screen
Measure Q204 base
is low level?
OK
Check Q204 is broken or
CN503 solder?
OK
Replace PANEL
4. Keypad Board
NG
NG
Check
Correspondent
component.
X601
oscillate
waveform is normal
OK
NG
Check reset circuit of U601
is normal
NG
OK
Replace U601
35
Replace X601
Check Correspondent
component.