19” LCD Color Monitor 190B7
49
(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 190B7
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Страница 13: ...19 LCD Color Monitor 190B7 13 4 2 Factory Preset Display Modes ...
Страница 14: ...19 LCD Color Monitor 190B7 14 4 3 Pixel Defect Policy ...
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Страница 20: ...19 LCD Color Monitor 190B7 20 5 3 2 Inverter Power Board ...
Страница 21: ...19 LCD Color Monitor 190B7 21 6 Schematic Diagram 6 1 Main Board 715G1767 1 ...
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Страница 28: ...19 LCD Color Monitor 190B7 28 6 3 Audio Board 715G1763 1 ...
Страница 29: ...19 LCD Color Monitor 190B7 29 7 PCB Layout 7 1 Main Board 715G1767 1 ...
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Страница 32: ...19 LCD Color Monitor 190B7 32 7 2 Power Board 715G1813 1 ...
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Страница 35: ...19 LCD Color Monitor 190B7 35 7 3 Audio Board 715G1763 1 7 4 Key Board 715G1766 1 7 5 USB Board 715G1764 1 ...
Страница 36: ...19 LCD Color Monitor 190B7 36 8 Wiring Diagram ...
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Страница 57: ...19 LCD Color Monitor 190B7 57 d Until appears the follow Fig writer completed ...
Страница 59: ...19 LCD Color Monitor 190B7 59 2 Connect the board as below 3 Run the SerialNumberGlobel exe ...
Страница 60: ...19 LCD Color Monitor 190B7 60 4 It will display as below 5 Setting as below ...
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Страница 67: ...19 LCD Color Monitor 190B7 67 d Unit appears the following Fig writer completed 14 codes for example ...