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(2) W / LED, No Backlight
Check CN902 pin4 = 12V
Check ON/OFF signal
Check IC801 PIN12=12V
Check IC801 PIN10, 9 have the output of square wave at short time
Check Q802 PIN5, 6, 7, 8 have the output of square wave at short time.
Check the output of T801
OK
Check connecter & lamp
OK
NG
OK
NG
OK
NG
NG
OK
OK
NG
NG
Check adapter or MB
Check Interface board
Change Q805 or Q808
Change IC801
Check Q801, Q802, Q804, Q811, Q812
Change T801
HUDSON 8
47
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