17” LCD Color Monitor
52
Inverter board
No power
Check C811 (+) =12V
NG
OK
Check adapter section
Check ON/OFF signal
Check Interface section or main board
NG
OK
Check U811 pin 2=12V?
NG
OK
Check Q801
Check U811 Pin1/pin15 have the output of sawtooth wave at short time
NG
OK
Check U811 pin 5/pin6
NG
OK
Replace U811
Check Q821/Q841 pin5/pin8 is 12V?
Check PT801/PT802 pin7/pin8= 650V?
Cut all the pin connector of Q821/Q841, check C811 (+)=12V?
OK
NG
Unplug backlight connector wire, check
PT801/PT802 pin7/pin8 = 650V?
OK
NG
Replace backlight
Replace PT801/PT802
OK
NG
NG
Replace Q821/Q841
Check Q801
OK
Содержание 170A7
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Страница 15: ...17 LCD Color Monitor 15 QD17EL07 Panel ...
Страница 16: ...17 LCD Color Monitor 16 4 3 3 Electrical Characteristics LM170E01 TLBB Panel QD17EL07 Panel ...
Страница 17: ...17 LCD Color Monitor 17 4 4 Pixel Defect Policy ...
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Страница 20: ...17 LCD Color Monitor 20 5 Block Diagram 5 1 Monitor Exploded View ...
Страница 24: ...17 LCD Color Monitor 24 5 3 2 Inverter Power Board ...
Страница 33: ...17 LCD Color Monitor 33 7 PCB Layout 7 1 Main Board 715G1767 1 ...
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Страница 36: ...17 LCD Color Monitor 36 7 2 Power Board 715G1813 1 ...
Страница 37: ...17 LCD Color Monitor 37 ...
Страница 38: ...17 LCD Color Monitor 38 7 3 Key Board 715G1766 1 ...
Страница 39: ...17 LCD Color Monitor 39 7 4 Audio Board 715G1763 1 ...
Страница 45: ...17 LCD Color Monitor 45 Fig 13 Fig 14 Fig 15 ...
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Страница 60: ...17 LCD Color Monitor 60 Click to complete the installation ...
Страница 63: ...17 LCD Color Monitor 63 d Unit appears the following Fig writer completed ...
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