Toshiba D-R560KU Service Manual page 21

FLOW CHART NO.17
No operation is possible from the remote control unit. (Operation is possible from the unit.)
Is 5V voltage supplied to the Pin(2) terminal of
the RE3001 (remote control receiver)?
Is the "L" pulse sent out from Pin(1) terminal of
the RE3001 (remote control receiver) when the
remote control unit is activated?
Is the "L" pulse signal supplied to the Pin(27) of
IC1501?
Replace P1(AV ASSEMBLY) or P2(DVD
MECHANISM & DVD MAIN BOARD ASSEMBLY).
FLOW CHART NO.18
The disc tray cannot be opened and closed. (It can be done using the remote control unit.)
Is the normal control voltage inputted to Pin(2) of
IC1501? Refer to "FLOW CHART NO.14" <The key
operation is not functioning.>
Replace P2(DVD MECHANISM & DVD MAIN
BOARD ASSEMBLY).
FLOW CHART NO.19
The disc tray cannot be opened and closed.
[No Disc] indicated.
Both functions of picture and sound do not operate normally.
Replace P2(DVD MECHANISM & DVD MAIN
BOARD ASSEMBLY).
Yes
Yes
Yes
Yes
No Check EV+5V line and replace P1(AV ASSEMBLY)
or P4(BOARD FRONT) if defective.
No
Replace P4(BOARD FRONT).
Or replace the remote control unit (X1).
No
Check the line between the RE3001 (remote
control receiver) and the Pin(27) of IC1501, and
replace P1(AV ASSEMBLY) or P4(BOARD FRONT)
if defective.
No
Replace P4(BOARD FRONT).
1-8-5 E7M70TR