Acer
Acer –LCD-B223W
19
04 Troubleshooting
1. No Power & LED Off
Unstable power
Check sampling
Circuit
Check R822,
R823, R824
Change R822,R823,
R824
Check the R pin
voltage of IC803
about 2.5V
Check R819, R820
Check R818, D804,
C807 if short
Change
R818, D804,
C807
Check pin2 of
IC802 voltage
is 3V
Check pin1 of
IC802 voltage
below 1V
Change R808, R 809,
R810, R 811, R815,
R814 Q803
END
Check the C pin
voltage of IC803
if 3V
Change
IC803
Summary of Contents for B223W - Bdmr - 22" LCD Monitor
Page 1: ...Acer Acer LCD B223W 0 Service Manual LCD Monitor Acer B223W ...
Page 17: ...Acer Acer LCD B223W 16 02 Flat Panel Specification ...
Page 36: ...Acer Acer LCD B223W 18 3 2 LCD Exploded drawing All ...
Page 44: ...Acer Acer LCD B223W 26 06 Schematics and Layouts 6 1 PI BD Layout ...