36
5. No Backlight
Check C201 (+) =12V
NG
OK
Change F902
Check ON/OFF signal
Check Interface board
NG
OK
Check U201 pin9=12V ?
NG
OK
Change Q201 or Q202
Check the pin1 of U201 have saw tooth wave
NG
OK
Change U201
Check D201 (-) has the output of square wave at short time.
NG
OK
Check Q203/Q205/Q207/D201
Check the resonant wave of pin2 & pin5 for PT201
NG
Check the output of PT201
Check Q209/Q210/C213
Check connecter & lamp
OK
NG
Change PT201
OK
Содержание AL1516
Страница 1: ...Acer AL1516 Service Guide ...
Страница 11: ...10 Supported Timing ٛ ...
Страница 14: ...13 Software Flow Chart 1 2 N Y 5 Y N 10 Y N 12 Y N 7 Y N 6 4 3 8 9 14 11 13 Y N 15 Y N 16 17 19 Y N 18 ...
Страница 22: ...21 b The Description For Control Function ...
Страница 23: ...22 ...
Страница 32: ...31 Disassemble the panel Remove four screws to release metal frame Fig 12 Fig 12 ...
Страница 40: ...39 Exploded Diagram Model AL1516 ...
Страница 47: ...46 Power board adapter inverter ...
Страница 48: ...47 ...