HP S17X Service Manual page 36

17" LCD Color Monitor
2. W/LED No Backlight
Check C907 (+) =12V
Check ON/OFF signal
Check IC201 pin5=5V ?
Check the pin20,pin19,pin11,pin12 of IC201 have saw
Check the resonant wave of pin2 & pin5 for PT701/ PT702
Check the output of PT701/PT702
Check connecter & lamp
NG
OK
NG
OK
OK
NG
OK
NG
OK
NG
OK
Check Power 12+ circuit
Check Interface board
NG
Change Q707,Q706,Q712
Change IC201
Check Q708/Q709/Q710/Q711
Change PT701/PT702
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HP VS17X