19” LCD Color Monitor 190S7
45
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 190S7
Страница 7: ...19 LCD Color Monitor 190S7 7 Back View ...
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Страница 13: ...19 LCD Color Monitor 190S7 13 4 2 Factory Preset Display Modes ...
Страница 14: ...19 LCD Color Monitor 190S7 14 4 3 Pixel Defect Policy ...
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Страница 16: ...19 LCD Color Monitor 190S7 16 5 Block Diagram 5 1 Monitor Exploded View ...
Страница 20: ...19 LCD Color Monitor 190S7 20 5 3 2 Inverter Power Board ...
Страница 28: ...19 LCD Color Monitor 190S7 28 7 PCB Layout 7 1 Main Board 715G1767 F ...
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Страница 31: ...19 LCD Color Monitor 190S7 31 7 2 Power Board 715G1813 1 ...
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Страница 33: ...19 LCD Color Monitor 190S7 33 7 3 Key Board 715G1755 1 ...
Страница 39: ...19 LCD Color Monitor 190S7 39 Fig 13 Fig 14 ...
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Страница 52: ...19 LCD Color Monitor 190S7 52 e Until appears the follow Fig writer completed ...
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Страница 57: ...19 LCD Color Monitor 190S7 57 14 codes for example ...
Страница 58: ...19 LCD Color Monitor 190S7 58 d Unit appears the following Fig writer completed ...