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AOC LM92SV
37
8.2.2 Power/Inverter Board
W / LED, No Backlight
Check CN102 pin5=12V
NG
OK
Check adapter or Main Board
Check ON/OFF signal
Check Main Board
NG
OK
Check U201 pin9=12V
NG
OK
Change Q201 or Q202
Check U201 PIN1 have the output of square wave at short time
NG
OK
Change U201
Check D203 (-)/ D204 (-) have the output of square wave at short time.
NG
OK
Check Q203/Q205/Q207/ D203
Check Q204/Q206/Q208/ D204
Check the resonant wave of pin2 & pin5 for PT201/PT202
NG
Check the output of PT201/202
Check Q209/Q210/C213
Check Q211/Q212/C214
Check connecter & lamp
OK
NG
Change PT201/202
OK
Содержание LM92SV
Страница 12: ...AOC LM92SV 12 4 4 3 Optical Characteristics...
Страница 13: ...AOC LM92SV 13 4 4 4 Parameter guide line for CCFL Inverter 1 TFT LCD Module 2 Backlight Units...
Страница 30: ...AOC LM92SV 30 7 PCB LAYOUT 7 1 MAIN BOARD 715G1510 F...
Страница 31: ...AOC LM92SV 31 7 2 ADAPTER BOARD 715G901 1 8...
Страница 32: ...AOC LM92SV 32 7 3 INVERTER BOARD 715G1299 1 3 7 4 KEY BOARD 715G1317 A 7...