Philips 191EW9FB/00 - Page 40

HUDSON 9
40
40
(2) W / LED, No Backlight
Check CN902 Pin4, 5 = 5V
NG
OK
Check adapter or MB
Check ON/OFF signal
Check Main Board
NG
OK
Check IC801 PIN12=12V
NG
OK
Check R804, Q808
Check IC801 PIN8, 9 or PIN10, 11 have the output of square
NG
OK
Change IC801
Check Q809 have the output of square wave at short time.
NG
OK
Check Q809
Check the output of T801
Check connecter & lamp
OK
NG
Change T801