Philips MDV530VR/17, Руководство по обслуживанию, Страница: 38 / 95

Main 1/8 Schematic Diagram < VCR Section >
1-12-3
1-12-4
H9460SCM1
“ “ = SMD
THE SAME VOLTAGE FOR BOTH
PLAY, REC & DVD MODES.
INDICATES THAT THE VOLTAGE
IS NOT CONSISTENT HERE.
PLAY MODE
REC MODE
1
2
3
5.0 5.0
(2.5)
<5.0>
~
DVD MODE
IC501 KEY VOLTAGE CHART
KEY 1 (67PIN) KEY 2 (66 PIN)
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
Pin No.
Voltage