Philips 192E1SB/70 Service Manual page 44

Meridian 1
44
(2) W / LED, No Backlight
Check F801=12V
Check ON/OFF signal
Check U801 PIN9 =12V
Check U801 PIN11, 14 have the output of square wave at short time
Check Q803 have the output of square wave at short
Check the output of PT801
Check connecter & lamp
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
Check adapter or Scaler Board
Check Scaler Board
Check C811, R816
Change U801
Check Q803
Change PT801