1-12-3
1-12-4
H9720SCM1
Main 1/10 Schematic Diagram < VCR Section >
ā ā = SMD
Voltage indications for PLAY, REC and DVD modes
on the Schematic Diagrams are as shown below:
1 2 3
5.0
(2.5)
<
0
>
~
5.0
THE SAME VOLTAGE FOR
PLAY,REC & DVD MODES.
INDICATES THAT THE VOLTAGE
IS NOT CONSISTENT HERE.
PLAY MODE
REC MODE
DVD MODE
Comparison Chart of
Models and Marks
MODEL MARK
DVP620VR/00 A
DVP620VR/05 B
DVP620VR/02 C
IC501 KEY VOLTAGE CHART
0.00 ~ 0.51V REC/OTR --------------
0.51 ~ 0.92V POWER STOP/EJECT
0.92 ~ 1.27V
OUTPUT-SELECT
PLAY
1.27 ~ 1.61V ---------------- REW
1.61 ~ 1.98V ---------------- FF
1.98 ~ 2.39V CH-UP SENS-INH
2.39 ~ 2.90V CH-DOWN --------------
2.90 ~ 3.60V ---------------- --------------
3.60 ~ 4.30V
DIRECT DUBBING
--------------
4.30 ~ 5.00V KEY OFF KEY OFF
Pin No.
Voltage
KEY 1 (7 PIN) KEY 2 (8 PIN)
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