70
Pin No.
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
—
I
I
—
I
Description
SIRCS remote control signal input for the S-LINK control A1
Audio line muting control signal output
“L”: Line muting ON
Strobe control signal output to power supply circuit
“L”: Standby mode, “H”: Power ON
Selection signal output of optical 1/2 input or coaxial input to digital input signal selector (IC405)
L: Digital optical 1/2 input, “H”: Coaxial input
Selection signal output of optical 1/2 input to digital input signal selector (IC405)
L: Digital optical 1 input, “H”: Digital optical 2 input
Serial data latch pulse output to CXD8762Q (IC501)
Reset signal output to CXD8762Q (IC501) “L”: Reset
Drive signal output to
X
(PAUSE) LED (D754) “L”: LED ON
Drive signal output to
z
REC LED (D755) “L”: LED ON
Timer switch (S751) input (A/D input)
“L”: PLAY, “H”: REC (middle point voltage: OFF)
INPUT switch (S741) input (A/D input)
Key input (A/D input)
S731 to S734 (TIME, FADER, FILTER, MEGA CONTROL key input)
Key input (A/D input)
S722 to S726 (PLAY/MODE, REPEAT, SCROLL/CLOCK SET, DISPLAY/CHAR, I/
1
key input)
Key input (A/D input)
S711 to S714, S716 (MENU/NO, YES, PUSH ENTER, CLEAR,
A
OPEN/CLOSE key input)
Ground (for A/D converter)
Key input (A/D input) S701 to S706 (REC
z
,
x
,
M
,
m
,
X
,
N
key input)
Reference voltage (+3.3 V) input (for A/D converter)
Power supply (+3.3 V)
Recording mode switch input “L”: MONO, “H”: STEREO
Not used in this system (Fixed at “H”)
Pin Name
A1OUT
MUTE
STB
COAX/XOPT
OPT2/XOPT1
DALATCH
DARST
LED0
LED1
TIMER
SOURCE
KEY3
KEY2
KEY1
AVSS
KEY0
VREF
+ 3.3V
MONO/ST
