3-8
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 detective.
Replace IC501.
0.51
0.92
1.27
1.61
1.98
2.39
2.90
3.60
4.30
-----
-----
-----
-----
-----
S-INH
FF
REW
DVD/VCR
SELECT
-----
-----
-----
CH UP
STOP
/EJECT
PLAY
CH
DOWN
POWER
REC
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 detective.
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(1) 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 detective.
No
No
No DVD operation is possible from the remote control unit. (Operation is possible from the unit.)
3-1-3 VCR Section
Summary of Contents for DV-PF33U
Page 57: ...5 13 Fig DM16 41 42 43 L 13 44 45 Slide Fig DM17 ...
Page 70: ...5 3 1 Main 1 8 Schematic Diagram 3 SCHEMATIC DIAGRAMS ...
Page 72: ...7 3 3 Main 3 8 Schematic Diagram ...
Page 73: ...8 3 4 Main 4 8 Schematic Diagram ...
Page 74: ...9 3 5 Main 5 8 Schematic Diagram ...
Page 75: ...10 3 6 Main 6 8 Schematic Diagram ...
Page 76: ...11 3 7 Main 7 8 DVD OPEN CLOSE Schematic Diagrams ...
Page 77: ...12 3 8 Main 8 8 Schematic Diagram ...
Page 80: ...15 3 11 DVD Main 1 3 Schematic Diagram ...
Page 81: ...16 3 12 DVD Main 2 3 Schematic Diagram ...
Page 83: ...18 3 13 DVD Main 3 3 Schematic Diagram ...
Page 86: ...21 5 2 Main CBA Bottom View ...
