19” LCD Color Monitor 190V7
46
Power/Inverter Board
No power
Adapter Board
Check CN951 pin 6/7 = 12V?
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 R907 and IC901
NG
Check the auxiliary voltage is bigger than
10V and smaller than 20V
Check IC901, D926, T901
OK
Check D931, D935, IC902, IC941, ZD975
OK
NG
NG
OK
OK
NG
NG
Содержание 190V7
Страница 7: ...19 LCD Color Monitor 190V7 7 ...
Страница 9: ...19 LCD Color Monitor 190V7 9 ...
Страница 10: ...19 LCD Color Monitor 190V7 10 ...
Страница 13: ...19 LCD Color Monitor 190V7 13 4 2 Factory Preset Display Modes ...
Страница 14: ...19 LCD Color Monitor 190V7 14 4 3 Pixel Defect Policy ...
Страница 15: ...19 LCD Color Monitor 190V7 15 ...
Страница 16: ...19 LCD Color Monitor 190V7 16 ...
Страница 17: ...19 LCD Color Monitor 190V7 17 5 Block Diagram 5 1 Monitor Exploded View ...
Страница 21: ...19 LCD Color Monitor 190V7 21 5 3 2 Inverter Power Board ...
Страница 29: ...19 LCD Color Monitor 190V7 29 7 PCB Layout 7 1 Main Board 715G1767 1 ...
Страница 30: ...19 LCD Color Monitor 190V7 30 ...
Страница 31: ...19 LCD Color Monitor 190V7 31 ...
Страница 32: ...19 LCD Color Monitor 190V7 32 7 2 Power Board 715G1813 1 ...
Страница 33: ...19 LCD Color Monitor 190V7 33 ...
Страница 34: ...19 LCD Color Monitor 190V7 34 7 3 Key Board 715G1755 1 ...
Страница 40: ...19 LCD Color Monitor 190V7 40 Fig 13 Fig 14 ...
Страница 42: ...19 LCD Color Monitor 190V7 42 ...
Страница 49: ...19 LCD Color Monitor 190V7 49 ...
Страница 53: ...19 LCD Color Monitor 190V7 53 e Until appears the follow Fig writer completed ...
Страница 55: ...19 LCD Color Monitor 190V7 55 ...
Страница 58: ...19 LCD Color Monitor 190V7 58 d Unit appears the following Fig writer completed ...