Philips DVP620VR/78 Service Manual page 37

Main 1/8 Schematic Diagram < VCR Section >
Voltage indications for PLAY, REC and DVD modes
on the Schematic Diagrams are as shown below:
" " = SMD
THE SAME VOLTAGE FOR
PLAY,REC & DVD MODES.
1-12-3
PLAY MODE
1 2 3
5.0
~ REC MODE
5.0 (2.5)
DVD MODE
< >
0
INDICATES THAT THE VOLTAGE
IS NOT CONSISTENT HERE.
IC501 KEY VOLTAGE CHART
Pin No.
KEY 1 (67 PIN) KEY 2 (66 PIN)
Voltage
0.00 ~ 0.51V POWER DVD/VCR
0.51 ~ 0.92V REW CH UP
0.92 ~ 1.27V FF CH DOWN
1.27 ~ 1.61V STOP/EJECT SENS-INH
1.61 ~ 1.98V PLAY --------------
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
1-12-4 H9622SCM1