Philips DVDR600VR/37 - Main 1;7 Schematic Diagram <VCR Section

Main 1/7 Schematic Diagram < VCR Section >
1-12-3
1-12-4
E9480SCM1
“ “ = 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 STANDBY OUTPUT
0.51 ~ 0.92V STOP/EJECT CH UP
0.92 ~ 1.27V PLAY CH DOWN/S-INH
1.27 ~ 1.61V REW --------------
1.61 ~ 1.98V FF --------------
1.98 ~ 2.39V REC --------------
2.39 ~ 2.90V ---------------- --------------
2.90 ~ 3.60V ---------------- --------------
3.60 ~ 4.30V ---------------- --------------
4.30 ~ 5.00V KEY OFF KEY OFF
Pin No.
Voltage
KEY 1 (67 PIN) KEY 2 (66 PIN)