5-6
E
All outputs
are Ok during playing
DISK ?
TEST END
Audio signal
data on P4703 is OK?
Check the MAIN PCB
Picture
signal data on ES8380
is OK?
For example composite video ,
Check the video mute TR (Q411),
Output of Video buffer IC (IC407)and
ES8380 video signal data
Check the connections between
ES8380 and P4703
NO
NO
NO
NO
YES
YES
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