LG LX-D2560A Service Manual page 57

E
All outputs
are Ok during playing
DISK ?
YES
TEST END
NO
Audio signal
data on P4703 is OK?
YES
Check the MAIN PCB
NO
Picture
signal data on ES8381
is OK?
- 4-6 -
NO
Check the connections between
ES8381 and P4703
NO
For example composite video ,
Check the video mute TR (Q411),
Output of Video buffer IC (IC407)and
ES8381 video signal data