
1-12-3
1-12-4
H9723SCM1
Main 1/8 Schematic Diagram < VCR Section >
“ “ = 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
IC501 KEY VOLTAGE CHART
0.00 ~ 0.51V
POWER
STOP/EJECT
0.51 ~ 0.92V
CH-DOWN
REW
0.92 ~ 1.27V
CH-UP
PLAY
1.27 ~ 1.61V
----------------
FF
1.61 ~ 1.98V
----------------
--------------
1.98 ~ 2.39V
REC/OTR
OUTPUT-SELECT
2.39 ~ 2.90V
----------------
--------------
2.90 ~ 3.60V
SENS-INH
--------------
3.60 ~ 4.30V
----------------
--------------
4.30 ~ 5.00V
KEY OFF
KEY OFF
Pin No.
Voltage
KEY 1 (7 PIN)
KEY 2 (8 PIN)
www.freeservicemanuals.info
Содержание DVP620VR/00
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