19” LCD Color Monitor 190S7
42
11. Repair Flow Chart
(1). No Power
No power
Press power key and look if the
picture is normal
Please reinsert and make sure the
AC of 100-240 is normal
Reinsert or check the
power section
X401 oscillate waveforms are
normal
Measure U701 Pin2=3.3V,
U702 Pin2=1.8V?
OK
OK
NG
NG
NG
Replace U701, U702
Replace U401
Replace X401
OK
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 ...