Sony XR-C4120, Service Manual

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Pin No. Pin Name I/O Function
84 POS3 I
85 POS2 I
86 POS0 I
87 POS1 I
88 LM-LOD O
Motor drive signal output to the loading/tape operation motor drive (IC351) “H” active
(For the loading direction and forward side operation) *1
89 LM-EJ O
Motor drive signal output to the loading/tape operation motor drive (IC351) “H” active
(For the eject direction and reverse side operation) *1
90 TAPEON O
Tape system power supply on/off control signal output terminal “H”: tape on
91 CM-ON O
Capstan/reel motor (M901) drive signal output terminal “H”: motor on
92 POWON
O Main system power supply on/off control signal output to the BA3918 (IC611) “H”: power on
93
FM-ON O
FM system power supply on/off control signal output to the BA3918 (IC611)
“L”: AM power on, “H”: FM power on
94
TU-ON O
Tuner system power supply on/off control signal output to the BA3918 (IC611)
“H”: tuner power on
95 to 100
NCO
O
Not used (open)
Tape position (EJECT/FF/REW/
REV/FWD mode) detect input from
the tape operation switch on the
deck mechanism POS3: “L”: REV and EJECT mode, “H”: others mode
POS2: “L”: REW mode, “H”: others mode
POS0: “L”: EJECT mode, “H”: others mode
POS1: “L”: FF and FWD mode, “H”: others mode
*1 Loading/tape operation motor control
STOP
LOADING/
FORWARD
EJECT/
REVERSE
BRAKE
LM-LOD (pin
*•
)
“L” “H” “L” “H”
LM-EJ (pin
*ª
)
“L” “L” “H” “H”
Mode
Terminal