13
RX
D-M9
09/LS
-M9
09
NO
NO
NO
Check the connections
between ES8390 and CN206.
YES
Check the MAIN PCB.
All
outputs are Ok
during playing
Disc?
YES
YES
Audio signal data on
CN206 is OK?
NO
For example composite video ,
Check the video mute TR
(Q506,Q507), ES8390
video signal data.
Picture
signal data on
ES8390 is OK?
D
TEST END
15. USB PART
YES
NO
Check the POWER supply circuit.
(Check P7905)
Check the USB PART and DVD PART line.
"Searching" or
"USB" Display check.
YES
YES
NO
Check the USB JACK POWER supply.
(Check CN205,202)
Check the USB DATA LINE. (CN202)
Reading OK check
YES
YES
Check the ES8390.
(Check DATA LINE PIN89,90)
YES
TURN ON USB
OK
Note: This shooting is the original circuitry so there are some different points from RXD-M909.
TROUBLESHOOTING