22” LCD Color Monitor Topview
37
White Screen
White screen
Measure Q302 base
is low level?
X401 oscillate
waveform is normal
Check CN301 is solder
and U301 is OK
Check Correspondent
component.
Replace Panel
Check Correspondent
component.
Replace U401
OK
OK
OK
Replace X401
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
Summary of Contents for A2281Wd+
Page 13: ...22 LCD Color Monitor Topview A2281Wd 13 4 3 2 Optical Characteristics Optical Specifications ...
Page 14: ...22 LCD Color Monitor Topview A2281Wd 14 ...
Page 15: ...22 LCD Color Monitor Topview A2281Wd 15 4 3 3 Electrical Characteristics TFT LCD Module ...
Page 16: ...22 LCD Color Monitor Topview A2281Wd 16 Back Light Unit ...
Page 28: ...22 LCD Color Monitor Topview A2281Wd 28 7 PCB Layout 7 1 Main Board 715G2883 1 6 ...
Page 29: ...22 LCD Color Monitor Topview A2281Wd 29 ...
Page 30: ...22 LCD Color Monitor Topview A2281Wd 30 7 2 Power Board 715G2824 2 ...
Page 31: ...22 LCD Color Monitor Topview A2281Wd 31 ...
Page 32: ...22 LCD Color Monitor Topview A2281Wd 32 ...
Page 33: ...22 LCD Color Monitor Topview A2281Wd 33 7 3 Key Board 715G2836 1 ...
Page 41: ...22 LCD Color Monitor Topview A2281Wd 41 9 Monitor Exploded View ...