HUDSON 9
45
(2) W / LED, No Backlight
Check CN902 Pin7 = 12V
NG
OK
Check adapter or MB
Check ON/OFF signal
Check Main Board
NG
OK
Check IC801 PIN11=5V
NG
OK
Check R802
Check IC801 PIN8, 9 or PIN6, 10 have the output of square
NG
OK
Change IC801
Check Q805 and Q806 PIN5, 6, 7, 8 have the output of square wave at short time.
NG
OK
Check Q805, Q806
Check the output of PT801
Check connecter & lamp
OK
NG
Change PT801
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