Main 1/8 Schematic Diagram - Philips MDV530VR/17 Service Manual

Digital video disc player & video cassette recorder
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Main 1/8 Schematic Diagram < VCR Section >
"
" = SMD
THE SAME VOLTAGE FOR BOTH
PLAY, REC & DVD MODES.
1-12-3
PLAY MODE
2
1
3
5.0
~
5.0
REC MODE
(2.5)
DVD MODE
<5.0>
INDICATES THAT THE VOLTAGE
IS NOT CONSISTENT HERE.
IC501 KEY VOLTAGE CHART
Pin No.
KEY 1 (67PIN) KEY 2 (66 PIN)
Voltage
0.00 ~ 0.51V
REW
OUTPUT
0.51 ~ 0.92V
POWER
STOP/EJECT
0.92 ~ 1.27V
-----------
PLAY
1.27 ~ 1.61V
-----------
-----------
1.61 ~ 1.98V
-----------
-----------
1.98 ~ 2.39V
-----------
S-INH
2.39 ~ 2.90V
-----------
-----------
2.90 ~ 3.60V
-----------
-----------
3.60 ~ 4.30V
-----------
-----------
4.30 ~ 5.00V
KEY OFF
KEY OFF
1-12-4
H9460SCM1

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