Rgb / Component Video Signal When Play Disc; Composite / S-Video Signal When Play Disc - LG RH188S 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 SW801 status &
SW801 pin 2 (RGB_SEL"H")
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
A
CHECK RCA & S-Video
cable connection
A S-Video & RCA
B SCART
CHECK IC802 pin
1,16 (5.2V)
YES
Replace IC802
YES
CHECK IC802 pin
1, 16 (5.2V)
B
NO
IC803 pin 29,30 :
Is there a signal ?
YES
CHECK SCART
cable connection
3-12
Replace IC802
CHECK IC803 pin 2,4 (VCC) : 12V
Pin 32,33 (SCL/SDA) :
YES
Replace IC803