1-11-4 E9G01TR
2 DVD Section
Ye s
No
FLOW CHART NO.1
The key operation is not functioning.
Are the contact point and the installation state of
the key switches normal?
Is the control voltage normally inputted into Pin(8)
of IC501?
Check the key switches and their periphery, and
service it if defective.
No
Re-install the key switches correctly or replace
the poor switch.
FLOW CHART NO.2
No DVD operation is possible from the remote control unit. (
Operation is possible from the unit.)
Replace the RM1501 (remote control receiver).
Replace remote control unit if needed.
Check the line between the RM1501 (remote
control receiver) and Pin(14) of IC501, and
service it if defective.
Is the "L" pulse sent out from Pin(1) terminal of the
RM1501 (remote control receiver) when the remote
control unit is activated?
Is the "L" pulse signal supplied to Pin(14) of
IC501?
Replace IC501 or DVD MECHANISM & DVD
MAIN CBA ASSEMBLY.
Ye s
Ye s
Replace IC501 or DVD MECHANISM & DVD
MAIN CBA ASSEMBLY.
Ye s
Is 5V voltage supplied to Pin(3) terminal of the
RM1501 (remote control receiver)?
Ye s
No
Check AL+5V line, and service it if defective.
No
No
0.51
0.92
1.27
1.61
1.98
2.39
2.90
3.60
4.30
SENS-
INH
-----
REC
/OTR
OPEN/
CLOSE
DUBBING
PLAY
STOP
-----
-----
Terminal voltage of IC501-8
KEY-2
IC501-8
(V)
FLOW CHART NO.3
Replace the DVD MECHANISM & DVD MAIN
CBA ASSEMBLY.
The [No Disc] indication.
Both picture and sound do not operate normally.
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