17" LCD Color Monitor
Hanns.G AG172D
38
8.2.2 Power Board
1) No power
Check CN902 pin 3/4=12V pin 7/8=5V
Check AC line volt 100-240V
Check AC input
Check the voltage of C907 (+)
Check bridge rectified circuit and F901 circuit
Check start voltage for the pin 8 of IC901
Check R905 and IC901
NG
Check the voltage of pin6 is bigger than
10V and smaller than 16V
Check IC901, D901, C911
OK
Check D920, D922, IC902, IC921, ZD921.ZD922
OK
NG
NG
OK
OK
NG
NG
Check Main board
OK
Summary of Contents for AG172D
Page 4: ...17 LCD Color Monitor Hanns G AG172D 4 1 Monitor Specifications ...
Page 6: ...17 LCD Color Monitor Hanns G AG172D 6 Dimensions ...
Page 9: ...17 LCD Color Monitor Hanns G AG172D 9 ...
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Page 15: ...17 LCD Color Monitor Hanns G AG172D 15 4 4 2 Optical Characteristics ...
Page 28: ...17 LCD Color Monitor Hanns G AG172D 28 7 PCB Layout 7 1 Main Board ...
Page 29: ...17 LCD Color Monitor Hanns G AG172D 29 ...
Page 30: ...17 LCD Color Monitor Hanns G AG172D 30 ...
Page 31: ...17 LCD Color Monitor Hanns G AG172D 31 7 2 Power Board ...
Page 32: ...17 LCD Color Monitor Hanns G AG172D 32 ...
Page 33: ...17 LCD Color Monitor Hanns G AG172D 33 7 3 Audio board ...
Page 43: ...17 LCD Color Monitor Hanns G AG172D 43 10 Monitor Exploded View ...