19” LCD Color Monitor 190S7
44
(3). White screen
(4). Keypad Board
White screen
Measure Q406 base
is high level?
X401 oscillate
waveform is normal
Check Q406, Q405 is broken
or CN406 solder?
Check Correspondent
component.
Replace Panel
Check Correspondent
component.
Replace U401
OK
OK
Replace X401
OK
NG
NG
NG
NG
Check reset circuit of
U401 is normal
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 30: ...19 LCD Color Monitor 190S7 30 ...
Страница 31: ...19 LCD Color Monitor 190S7 31 7 2 Power Board 715G1813 1 ...
Страница 32: ...19 LCD Color Monitor 190S7 32 ...
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 ...
Страница 54: ...19 LCD Color Monitor 190S7 54 ...
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 ...