Asus VH236H Service Manual page 77

Service Manual
2). W / LED, No Backlight
Check IC801 PIN12=16V
Check IC801 PIN10, 9 have the ou
Check Q804, Q809 PIN5, 6, 7, 8 have the output of square wave at short time.
Check the output of T801, T802
Check connecter & lamp
Check L904=16V
OK
NG
Check ON/OFF signal
OK
OK
NG
NG
OK
NG
OK
OK
NG
Check adapter or MB
NG
Check Interface board
Change Q801, Q802
tput of square wave at
Change U801
Check Q804, Q805, Q806, Q809, Q810, Q811
Change T801, T802
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ASUS VH236H&VH232H