XR-C8220 Datasheet, PDF (14/14 Pages) Sony Corporation – SERVICE MANUAL

Pin No.
110
111
112
113
114
115
Pin Name
LM-LOD
CM-ON
TAPEON
N-ROUT
AMSON
DOLBC
116
DOLBY
117
CSV-NAR
118
LEDON
119
VSS
120
POWON
I/O
Function
O ^{Motor drive signal output to the loading/tape operation motor drive (IC201) “H” active}
(For the loading direction and forward side operation) *1
O Capstan/reel motor (M901) drive signal output terminal “H”: motor on
O Tape system power supply on/off control signal output terminal “H”: tape on
O ^{Forward/reverse direction control signal output to the CXA2510AQ (IC250)}
“L”: forward direction, “H”: reverse direction
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
O ^{Standby on/off control signal output to the power amplifier (IC700)}
“L”: standby mode, “H”: amp on
Dolby control in/out terminal
I/O ^{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)
I “H” is input when CSV (IC650) sends data
O Power supply on/off control signal output of the illumination LED “H”: power on
— Ground terminal
O Main system power supply on/off control signal output to the BA3918 (IC502) “H”: power on
*1 Loading/tape operation motor control
Terminal
Mode
STOP
LM-LOD (pin `⁄⁄‚)
“L”
LM-EJ (pin `⁄‚·)
“L”
LOADING/
FORWARD
“H”
“L”
EJECT/
REVERSE
“L”
“H”
BRAKE
“H”
“H”
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