– 57 –
Pin No.
Pin Name
I/O
Function
110
LM-LOD
O
Motor drive signal output to the loading/tape operation motor drive (IC201) “H” active
(For the loading direction and forward side operation) *1
111
CM-ON
O
Capstan/reel motor (M901) drive signal output terminal “H”: motor on
112
TAPEON
O
Tape system power supply on/off control signal output terminal “H”: tape on
113
N-ROUT
O
Forward/reverse direction control signal output to the CXA2510AQ (IC250)
“L”: forward direction, “H”: reverse direction
114
AMSON
O
Tape auto music sensor control signal output to the CXA2510AQ (IC250)
“L” is output to lower the gain for audio level at FF/REW mode
115
DOLBC
I/O
Dolby B/C selection control in/out terminal
At initial mode: dolby B only/dolby B and C type selection input (dolby B and C at “L” input)
At normal mode: dolby type selection signal output “L”: dolby B, “H”: dolby C
Fixed at “H” in this set
116
DOLBY
I/O
Dolby control in/out terminal
At initial mode: valid/invalid selection input of dolby function (valid at “L” input)
At normal mode: dolby on/off control signal output to the CXA2510AQ (IC250)
(dolby on at “H” output)
117
CSV-NAR
I
“H” is input when CSV sends data Not used (open)
118
LEDON
O
Also, this is used as select signal output for standby on/off to the power amplifier (IC700), or
power on/off control signal output for illumination LED
“L”: standby mode (LED off), “H”: amp on (LED on)
119
VSS
—
Ground terminal
120
POWON
O
Main system power supply on/off control signal output to the BA3918 (IC502) “H”: power on
*1 Loading/tape operation motor control
STOP
LOADING/
FORWARD
EJECT/
REVERSE
BRAKE
LM-LOD (pin
`⁄⁄‚
)
“L”
“H”
“L”
“H”
LM-EJ (pin
`⁄‚·
)
“L”
“L”
“H”
“H”
Mode
Terminal
Summary of Contents for XR-C7220R
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Page 35: ...XR C7220R 47 48 6 13 SCHEMATIC DIAGRAM KEY Board See page 32 for Waveforms Page 50 ...
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