19” LCD Color Monitor 190S7
43
(2). No Picture
No picture
OK
OK
NG
NG
Measure U701 PIN2=3.3V,
U702 PIN2=1.8V?
Replace U701, U702
X401 oscillate waveforms are
normal
Replace X401
Check if the sync signal from
computer is output and video cable
is connected normally
Input the sync signal of
computer, or change
the cable
Replace U401
NG
OK
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 ...