HUDSON 9
39
11.2. Power/Inverter Board
(1) No power
Check CN902 Pin4, 5 = 5V
Check AC line volt 110V or 220V
Check AC input
Check the voltage of C907 (+)
Check bridge rectified circuit and F901 circuit
Check start voltage for the pin3 of IC901
Check R904, R932, R933 and Change IC901
NG
Check the auxiliary voltage is bigger than
16V and smaller than 32V
1) Check IC901
2) Check R909, D901 circuit
OK
OK
NG
Check Q901, D903, IC902, IC903, D915, D916, D921, D922
OK
Check IC901 pin8 PWM wave
OK
Check IC901
NG
NG
NG
OK
NG
Содержание 191EW9FB/00
Страница 4: ...HUDSON 9 4 1 Monitor Specifications 1 1 Technical Specifications ...
Страница 5: ...HUDSON 9 5 1 2 Physical Specifications ...
Страница 8: ...HUDSON 9 8 Rear View 1 Kensington anti thief lock 2 AC power input 3 VGA input ...
Страница 26: ...HUDSON 9 26 ...
Страница 31: ...HUDSON 9 31 9 Scalar Board Overview NOVATEK chip Flash ROM EEPROM ESD DC DC Converters ESD ...
Страница 33: ...HUDSON 9 33 3 Remove bezel and rear cover ...
Страница 43: ...HUDSON 9 43 a Double click running the program as follows b Click icon and the program runs as follows ...
Страница 46: ...HUDSON 9 46 46 13 4 Take analog DDC write for example as follow a Double click appear as follow Figs ...
Страница 54: ...HUDSON 9 54 54 15 Monitor Exploded View ...