Sony MDX-CA580 Service Manual page 48

Pin No. Pin Name
78 ILLIN
79
TELATT
80 NCO
81 TEST IN
82 ACC IN
83 NCO
84 LOCKIN
85 RCIN1
86 HSTX
87 MD2
88, 89 MD1, MD0
90 RSTX
91 VSS
92 X0
93 X1
94 VCC
95 to 97 NCO
98 DIM SEL
99 TAP CD
100, 101 NCO
102 AMTL IN
103 AMS IN
104 REEL
105 POS0
106 POS1
107 POS2
108 POS3
109 LM EJ
110 LM LD
111 CM ON
112 TAPON
113 N ROUT
114 AMSON
115 MTLON
48
I/O
Auto dimmer control illumination line detection signal input terminal
I
"H" is input at dimmer detection Not used (fixed at "L")
I Telephone detection signal input terminal At input of "H", the signal is attenuated by –20 dB
O
Not used (open)
I Setting terminal for the test mode "L": test mode, Normally: fixed at "H"
I Accessory detection signal input "L": accessory on
O
Not used (open)
I Mini-disc lock detection signal input from the MD mechanism controller (IC501) "H": lock
I Rotary remote commander shift key input terminal "L": shift
I
Hardware standby input terminal "L": hardware standby mode Reset signal input in this set
I
Setting terminal for the CPU operational mode (fixed at "L" in this set)
I Setting terminal for the CPU operational mode (fixed at "H" in this set)
System reset signal input from the reset signal generator (IC652) and reset switch (SW503)
I
"L": reset "L" is input for several 100 msec after power on, then it changes to "H"
— Ground terminal
I Main system clock input terminal (3.68 MHz)
O Main system clock output terminal (3.68 MHz)
—
Power supply terminal (+5V)
O
Not used (open)
I Setting terminal for the dimmer "L": dimmer in, "H": no dimmer (fixed at "H" in this set)
Setting terminal for the internal mechanism tape or CD
I
"L": CD, "H": tape (fixed at "L" in this set)
O
Not used (open)
I
Auto metal detection signal input terminal "L": auto metal Not used (open)
Input terminal of whether a music is present or not is detected at auto music sensor
I
"L": music is present, "H": music is not present Not used (open)
I Rotation detect signal input terminal Not used (open)
I
Tape position (EJECT/FF/REW/REV/
I
FWD mode) detect input from the tape
operation switch on the deck mechanism
I
Not used this function (open)
I
Loading motor control signal output terminal "H" active
O
(For the eject direction and reverse side operation) Not used (open)
Loading motor control signal output terminal "H" active
O
(For the loading direction and forward side operation) Not used (open)
O Capstan/reel motor control signal output terminal "H": motor on Not used (open)
O
Tape system power supply on/off control signal output terminal "H": tape on Not used (open)
Forward/reverse direction control signal output terminal
O
"L": forward direction, "H": reverse direction Not used (open)
Tape auto music sensor control signal output terminal
O
"L" is output to lower the gain for audio level at FF/REW mode Not used (open)
METAL control in/out terminal
At initial mode: auto/manual mode selection input of METAL function (manual at "L" input)
I/O
At manual mode: METAL on/off control signal output terminal (METAL on at "H" output)
Not used this function (open)
Description
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