www.freeservicemanuals.info
Main 1/4 Schematic Diagram
1-11-3
06/28/2012
"
" = SMD
MODE: SP/REC
PLAY MODE
1
2
3
5.0
∼
5.0
REC MODE
(2.5)
THE SAME VOLTAGE FOR
INDICATES THAT THE VOLTAGE
BOTH PLAY & REC MODES.
IS NOT CONSISTENT HERE.
1-11-4
Comparison Chart of
IC501 KEY VOLTAGE CHART
Models and Marks
Pin No.
KEY 1 (31 PIN)
Voltage
MODEL
MARK
O`ODTu
POWER
VR109/55
A
ODT`ODXu SPEED
VR109/75
B
ODX`PDQQu -------------------
PDQQ`PDTTu
CH DOWN
PDTT`PDXQu
S-INH
PDXQ`QDRTu -------------------
QDRT`QDXOu
MENU
QDXO`RDUOu
STATUS/EXIT
RDUO`SDROu -------------------
SDROu`TDOu
KEY OFF
1-11 -5
World of Free Manuals
KEY 2 (27 PIN)
CH UP
STOP/EJECT
FF
REW
PLAY
PAUSE
REC
-------------------
-------------------
KEY OFF
H67T0SCM1