BenQ M2700HD Service Manual page 51
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Also See for M2700HD:
- User manual (40 pages) ,
- User manual (42 pages) ,
- User manual (43 pages)
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Black Screen
Black Screen
Check power supply
Pin1, 2 ,6 ,7of CN101
Check power supply
supply of U111
Check Reset
Of U111
Check Crystal of U111
-
Check CCFL
of U111
Scaler Fail
OK
:
OK
OK
OK
OK
OK
Enable
NG
NG
NG
NG
NG
Check pin14 of
CN101
NG
50
Power Fail
Check U101,U102,IC101
Check R251,R252,C248
Check: X102
OK
Inverter Fail
Check R116,R117,R118,R121
,Q105
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