19" LCD Color Monitor ASUS VW198
S
37
8.2.2 Power/Inverter Board
1.) No power
Check CN902 pin4, 5 = 12V
Check AC line volt 110V or 220V
Check AC input
Check the voltage of C905 (+)
Check bridge rectified circuit and F901 circuit
Check start voltage for the pin8 of IC901
Check R904, R932, R933 and Change IC901
NG
Check the auxiliary voltage is bigger than
10V and smaller than 20V
1) Check IC901
2) Check R909, D901 circuit
OK
OK
NG
Check IC903, IC904, Q901, ZD921, ZD922, D915, D916
OK
Check IC901 pin6 PWM wave
OK
Check IC901
NG
NG
NG
OK
NG
Содержание VW198S
Страница 4: ...19 LCD Color Monitor ASUS VW198S 4 1 Monitor Specifications ...
Страница 7: ...19 LCD Color Monitor ASUS VW198S 7 3 2 2 Key Function 3 3 OSD Menu 3 3 1 How to Reconfigure ...
Страница 8: ...19 LCD Color Monitor ASUS VW198S 8 3 3 2 OSD Function Introduction ...
Страница 9: ...19 LCD Color Monitor ASUS VW198S 9 ...
Страница 10: ...19 LCD Color Monitor ASUS VW198S 10 ...
Страница 12: ...19 LCD Color Monitor ASUS VW198S 12 4 3 Factory Preset Display Modes ...
Страница 26: ...19 LCD Color Monitor ASUS VW198S 26 7 PCB Layout 7 1 Main Board 715G2698 3 ...
Страница 27: ...19 LCD Color Monitor ASUS VW198S 27 ...
Страница 28: ...19 LCD Color Monitor ASUS VW198S 28 ...
Страница 29: ...19 LCD Color Monitor ASUS VW198S 29 7 2 Power Board 715G2538 3 ...
Страница 30: ...19 LCD Color Monitor ASUS VW198S 30 ...
Страница 31: ...19 LCD Color Monitor ASUS VW198S 31 7 3 Audio Board 715G2767 1 ...
Страница 32: ...19 LCD Color Monitor ASUS VW198S 32 7 4 Key Board 715G2546 2 ...
Страница 42: ...19 LCD Color Monitor ASUS VW198S 42 10 Monitor Exploded View ...