35
W/LED No Backlight
Check the 14V voltage input
Check the adapter
Check ON/OFF signal
Check Interface board
Check IC801 pin12=12V?
Change Q805.Q808 or Q810
Check the pin9&10 of IC801 have PWM wave
Change Q801/Q804/Q811/Q812
Replace IC801
Check the resonant wave
of pin3 & pin7 for T801
Check the output of T801,T802
Check Q802/Q803
Check connecter & lamp
OK
Change T801,T802
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NG
OK
Summary of Contents for B203W
Page 1: ...1 Acer B203W Service Guide ...
Page 11: ...11 Electrical Characteristics TFT LCD Module Power Specification Backlight Unit ...
Page 12: ...12 Optical Specifications ...
Page 23: ...23 eColor Management OSD ...
Page 24: ...24 How to Adjust a Setting ...
Page 25: ...25 Adjusting the picture ...
Page 26: ...26 ...
Page 37: ...37 DVI Connector ...