FUNAI WD6D-M100, Service Manual

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1-11-6 E9TFCTR
2 DVD Section
0.51
0.92
1.27
1.61
1.98
2.39
2.90
3.60
4.30
OPEN
/CLOSE
DVD
-PLAY
SELECT
DVD
-STOP
DVD
-REC
Terminal voltage of IC501-8
KEY-2
IC501-8
(V)
DUBBING
Yes
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 defective key switches.
FLOW CHART NO.2
No DVD operation is possible from the remote control. (Operation is possible from the unit.)
Replace RS1501 (remote control receiver) or remote
control unit.
Check the line between the RS1501 (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
RS1501 (remote control receiver) when the remote
control is activated?
Is the "L" pulse signal supplied to Pin(14) of IC501?
Replace IC501 or DVD MECHANISM & DVD MAIN
CBA ASSEMBLY.
Yes
Yes
Replace IC501 or DVD MECHANISM & DVD MAIN
CBA ASSEMBLY.
Yes
Is 5V voltage supplied to Pin(3) terminal of the RS1501
(remote control receiver)?
Yes
No
Check SYS+5V line, and service it if defective.
No
No