Vdr Part; Vdr Electrical Troubleshooting Guide; No Component Video Signal When Playing Disc - LG RCT689H Service Manual

VDR ELECTRICAL TROUBLESHOOTING GUIDE

1. NO COMPONENT VIDEO SIGNAL WHEN PLAYING DISC

Component :
No Y Signal
YES
R905
NO
IC902 Pin6
Check Input
NO
Check the PVM02 Pin44

VDR PART

Component :
No Pb Signal
YES
YES
R904
NO
YES
C902 Pin8
Check Input
NO
YES
Check the PVM02 Pin42
Component :
No Pr Signal
YES
R903
YES
IC902 Pin7
Check Input
YES
Check the PVM02 Pin40
Check
the PVM02 Pin42.
L1313 Check
Signal in DVD
Board
Check IC1101 Power
and Other Circuits
3-71
YES
Check the
Comp-mute "H"
YES
signal. (Q909,
Q913, Q914)
NO
Replace Q909,
Q913, Q914
YES
IC902 Pin1,2,3
signal check.
NO
Check
Connection of
YES
the Connector
(PVM02)
YES
YES
Repalce
PMV01, PVM02
NO
NO
YES