30
Pin No.
Pin Name
I/O
Description
76
KEYACK
I
Input of acknowledge signal for the key entry Acknowledge signal is input to accept function
and eject keys in the power off status On at input of “H”
77
BU-IN
I
Battery detect signal input from the SONY bus interface (IC701) and battery detect circuit
“L” is input at low voltage IC701: Used for the XR-C5300RV
78
ILL IN
I
Auto dimmer control illumination line detection signal input terminal
“L” is input at dimmer detection Fixed at “L” in this set
79
TEL-ATT
I
Telephone muting signal input terminal At input of “H”, the signal is attenuated by –20 dB
80
NCO
O
Not used (open)
81
TESTIN
I
Setting terminal for the test mode “L”: test mode, Normally: fixed at “H”
82
ACC IN
I
Accessory detect signal input terminal “L”: accessory on
83
NCO
O
Not used (open)
84
LOCKIN
I
MD lock detection signal input terminal Not used (open)
85
RC-IN1
I
Rotary remote commander shift key input terminal “L”: shift
86
HSTX
I
Hardware standby input terminal “L”: hardware standby mode Reset signal input in this set
87
MD2
I
Setting terminal for the CPU operational mode (fixed at “L” in this set)
88, 89
MD1, MD0
I
Setting terminal for the CPU operational mode (fixed at “H” in this set)
90
RESET
I
System reset signal input from the reset signal generator (IC551) and reset switch (S503)
“L”: reset “L” is input for several 100 msec after power on, then it changes to “H”
91
VSS
—
Ground terminal
92
X0
I
Main system clock input terminal (3.68 MHz)
93
X1
O
Main system clock output terminal (3.68 MHz)
94
VCC
—
Power supply terminal (+5V)
95 to 97
NCO
O
Not used (open)
98
DIMSEL
I
Dimmer selection signal input terminal (fixed at “L” in this set)
99
TAPE/CD
I
Tape/CD selection signal input terminal “L”: CD, “H”: tape (fixed at “H” in this set)
100, 101
NCO
O
Not used (open)
102
MTLIN
I
Auto metal detection signal input terminal “L”: auto metal (fixed at “H” in this set)
103
AMSIN
I
Whether a music is present or not from CXA2509AQ (IC301) is detected at auto music sensor
“L”: music is present, “H”: music is not present
104
REEL
I
Rotation detect signal input from supply reel sensor and take-up reel sensor on the deck
mechanism
105
POS0
I
Motor drive signal output to the loading/tape operation motor drive (IC361) “H” active
(For the eject direction and reverse side operation) *1
Motor drive signal output to the loading/tape operation motor drive (IC361) “H” active
(For the loading direction and forward side operation) *1
Capstan/reel motor (M901) drive signal output terminal “H”: motor on
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 CXA2509AQ (IC301)
“L”: forward direction, “H”: reverse direction
114
AMSON
O
Tape auto music sensor control signal output to the CXA2509AQ (IC301)
“L” is output to lower the gain for audio level at FF/REW mode
115
MTLON
I/O
POS0: “L”: EJECT mode, “H”: others mode
POS1: “L”: FF and FWD mode, “H”: others mode
POS2: “L”: REW mode, “H”: others mode
POS3: “L”: REV and EJECT mode, “H”: others mode
METAL control in/out terminal
At initial mode: auto/manual mode selection input of METAL function (manual at “L” input)
At manual mode: METAL on/off control signal output terminal (METAL on at “H” output)
At auto mode: input at MTLIN (pin
<z/x
)
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