No Rgb/Component Video Signal When Play Disc; No Composite / S-Video Signal When Play Disc - LG RH1777 Service Manual

9. NO RGB/COMPONENT VIDEO SIGNAL WHEN PLAY DISC

R1153,R1154,R1155 :
Is there a signal ?
YES
PVM01 pin 2,6,10 :
Is there a signal ?
YES
NO
IC802 pin 18,21,24 :
Is there a signal?
YES
CHECK JK802 &
Component Cable

10. NO COMPOSITE / S-VIDEO SIGNAL WHEN PLAY DISC

R1150,1151,1152 :
Is there a signal ?
YES
PVM01 pin 14, 18, 22
: Is there a signal?
YES
NO
IC802 pin 27,30,32:
Is there a signal ?
YES
CHECK RCA & S-Video
cable connection
CHECK IC802 pin
1,16 (5.2V)
YES
Replace IC802
YES
CHECK IC802 pin
1, 16 (5.2V)
3-12
(W'S, NTSC'S "RGB WITHOUT)
Replace IC802