3-8
3-1-3 VCR Section
Yes
Yes
No
No
FLOW CHART NO.1
FLOW CHART NO.2
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
Pins(66,67) of IC501?
Re-install some key switches correctly or
replace some key switches.
Check the key switches and their periphery, and
service it if defective.
Replace IC501.
0.51
0.92
1.27
1.61
1.98
2.39
2.90
3.60
4.30
-----
-----
-----
-----
-----
S-INH
CH UP
CH
DOWN
DVD/VCR
SELECT
-----
-----
-----
PLAY
REC
FF
STOP
/EJECT
REW
POWER
Terminal voltage of IC501-66,67
KEY-1
IC501-67
KEY-2
IC501-66
(V)
Replace the RM2001 (remote control receiver)
or replace remote control unit.
Check the line between the RM2001 (remote
control receiver) and the Pin(5) of IC501, and
service it if defective.
Replace IC501.
Is the "L" pulse sent out from Pin(1) terminal of
the RM2001 (remote control receiver) when the
remote control unit is activated?
Is the "L" pulse signal supplied to the Pin(5) of
IC501?
Yes
Is 5V voltage supplied to the Pin(3) terminal of
the RM2001 (remote control receiver)?
Yes
Yes
No
Check AL+5V line and service it if defective.
No
No
No VCR operation is possible from the remote control unit. (Operation is possible from the unit.)
Summary of Contents for DV-PF35U
Page 79: ...S 5 S 4 Main 1 8 Schematic Diagram ...
Page 81: ...S 7 S 6 Main 3 8 Schematic Diagram ...
Page 82: ...S 8 S 7 Main 4 8 Schematic Diagram ...
Page 83: ...S 9 S 8 Main 5 8 Schematic Diagram ...
Page 84: ...S 10 S 9 Main 6 8 DVD Open Close Schematic Diagram ...
Page 86: ...S 12 S 11 Main 8 8 Schematic Diagram ...
Page 88: ...S 14 S 13 DVD Main 2 3 Schematic Diagram ...
Page 90: ...S 16 S 15 DVD Main 3 3 Schematic Diagram ...
Page 102: ...DV PF35U No 0508E TK Digital Media Division Yokohama ...