93
Pin No.
Pin Name
I/O
Description
45
SPK RELAY
O
Speaker on/off relay (RY801) control signal output “L”: speaker off
46
MD/CD POWER
O
Power down detection signal output to the MD mechanism controller (IC1001) and CD
mechanism controller (IC1101) “L”: power down
47
TR RELAY
O
Standby relay (RY961) control signal output “L”: speaker off
48
RECMUTE
O
Muting on/off control signal output of tape output signal “L”: muting on
49
DIMMER
O
LCD back light on/off control signal output “H”: LED on
50
NC
O
Not used (open)
51
KBD CHK
I
Key board check signal input terminal Not used (fixed at “L”)
52 to 56
NC
O
Not used (open)
57
STBY LED
O
LED drive signal output of the I/
1
indicator (D601) “H”: LED on
58
BVDD
—
Power supply terminal (+5V)
59
BVSS
—
Ground terminal
60
LED DATA
O
Serial data output to the LED driver (IC702)
61
LED CLK
O
Serial data transfer clock signal output to the LED driver (IC702)
62
LED CE
O
Chip select signal output to the LED driver (IC702)
63
FAN
O
Fan motor (M801) drive signal output
64
LED CLEAR
O
Reset signal output to the LED driver (IC702)
65
FUNC2
O
Function selection signal output terminal Not used (open)
66
NC
O
Not used (open)
67
HEADPHONE IN
I
Headphone in detection signal input “H”: headphone in
68
ENC VOL A
I
Jog dial pulse input from the rotary encoder (S701 VOLUME) A phase input
69
ENC VOL B
I
Jog dial pulse input from the rotary encoder (S701 VOLUME) B phase input
70
ENC JOG A
I
Jog dial pulse input from the rotary encoder (S726 ENTER/YES PUSH) A phase input
71
ENC JOG B
I
Jog dial pulse input from the rotary encoder (S726 ENTER/YES PUSH) B phase input
72
DEVICE3
—
Not used (fixed at “L”)
73
DEVICE2
—
Not used (fixed at “H”)
74
AVDD
—
Power supply terminal (+5V)
75
AVSS
—
Ground terminal
76
AVREF
I
Reference voltage (+5V) input terminal
77, 78
NC
O
Not used (open)
I
Model destination setting terminal
I
L-ch level input terminal
I
R-ch level input terminal
I
Key input terminal (A/D input) S703, S705, S707, S723 to S726(CD
N X
, MD
N X
,
TUNER/BAND, MENU/NO, CLEAR, CURSOR
m
?
M
, ENTER/YES PUSH, keys
input)
I
Key input terminal (A/D input) S704, S706, S708, S710, S712 to S722 (FUNCTION, MD
Z
,
PLAY MODE, SYNC MODE, CD SYNC HIGH SPEED, CD SYNC NORM SPEED, REC/REC
IT, REC MODE, REPEAT STEREO/MONO,
Z
(CD3), CD3,
Z
(CD2), CD2,
Z
(CD1), CD1,
keys input)
87
KEY3
I
Key input terminal (A/D input) S702, S709 (I/
1
,
x
keys input)
88
KEY4
I
Key input terminal (A/D input) Not used (fixed at “H”)
89
NMI
I
Non-maskable interrupt input terminal Fixed at “L” in this set
90
INTP0
I
Key board data reading clock signal input terminal Not used (fixed at “H”)
91
INTP1
I
Not used (fixed at “H”)
92
PC POWER
I
Power on request signal input from the PC LINK jack (J503)
93
SIRCS
I
Remote control signal input from the remote control receiver (IC701)
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