![AOC 177sa Service Manual Download Page 34](http://html.mh-extra.com/html/aoc/177sa/177sa_service-manual_2949581034.webp)
17" LCD Color Monitor AOC
177Sa
34
8.2 Trouble Shooting
8.2.1 Main Board
No power
No power
Press power key and look
if the picture is normal
Please reinsert and make sure
the AC of 100-240 is normal
Measure D701(-)=1.8V
U702 PIN2=3.3V
Reinsert or check the
Adapter/Inverter
section
X401 oscillate waveforms
are normal
Check CN701, U701,
D701, D702, Q702
Replace U401
Replace X401
OK
OK
OK
NG
NG
NG
NG
Summary of Contents for 177sa
Page 12: ...17 LCD Color Monitor AOC 177Sa 12 4 4 3 Optical Characteristics ...
Page 26: ...17 LCD Color Monitor AOC 177Sa 26 7 PCB Layout 7 1 Main Board 715G1558 2 2 ...
Page 27: ...17 LCD Color Monitor AOC 177Sa 27 ...
Page 28: ...17 LCD Color Monitor AOC 177Sa 28 ...
Page 29: ...17 LCD Color Monitor AOC 177Sa 29 7 2 Audio Board 715G1841 1 ...
Page 30: ...17 LCD Color Monitor AOC 177Sa 30 7 3 Power Board 715G1823 2 ...
Page 31: ...17 LCD Color Monitor AOC 177Sa 31 ...
Page 32: ...17 LCD Color Monitor AOC 177Sa 32 7 4 Key Board 715G1819 1 2 ...
Page 42: ...17 LCD Color Monitor AOC 177Sa 42 10 Monitor Exploded View ...