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PANEL BOARD IC601 TMP87CM74AF-6731
Pin No.
Pin Name
I/O
Function
1
LED3
O
LED drive signal output terminal (for decoration LED)
2
LED4
O
LED drive signal output terminal (for decoration LED)
3
LED5
O
LED drive signal output terminal (DISC 3)
4
LED6
O
LED drive signal output terminal (DISC 2)
5
LED7
O
LED drive signal output terminal (DISC 1)
6
LED8
O
LED drive signal output terminal (ENTER/NEXT, GROOVE)
7
VSS
—
Ground terminal
8
X-OUT
O
System clock output terminal (8 MHz)
9
X-IN
I
System clock input terminal (8 MHz)
10
RESET
I
System reset signal input from the reset signal generator (IC951) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
11
LED9
O
LED drive signal output terminal (JOG, DJ MIX)
12
LED10
O
LED drive signal output terminal (CD NON-STOP, +
)
, –
0
)
13
TEST
I
Connected to ground
14
LED11
O
LED drive signal output terminal (PRO LOGIC, DSP)
15
LED12
O
LED drive signal output terminal (EFFECT, VIDEO CD)
16
LED13
O
LED drive signal output terminal (CD
(
P
)
17
LED14
O
LED drive signal output terminal (TAPE B
(
/
9
)
18
LED15
O
LED drive signal output terminal (TAPE A
(
/
9
)
19
VOL-A
I
Rotary encoder pulse input from the S602 (VOLUME)
20
VOL-B
I
Rotary encoder pulse input from the S602 (VOLUME)
21
JOG-A
I
Jog dial pulse input from the S601 (
=
↔
+
DJ MIX)
22
JOG-B
I
Jog dial pulse input from the S601 (
=
↔
+
DJ MIX)
23
SCL
I/O
Communication data reading clock signal input or transfer clock signal output with the system
controller (IC501), CD mechanism controller (IC502) and CSV control (IC801)
24
SDA
I/O
Communication data bus with the system controller (IC501), CD mechanism controller (IC502)
and CSV control (IC801)
25
L.SEL
O
LED selection signal output terminal
26
KEY-0
I
27
KEY-1
I
Key input terminal (A/D input) (S618, 619, 621 to 630)
CD FLASH, CD NON-STOP, –
0
, ENTER/NEXT, +
)
, DBFB, GROOVE, ACTIVE,
SELECT, RETURN, PREV, NEXT keys input
28
KEY-2
I
29
KEY-3
I
Key input terminal (A/D input) (S617, 652 to 654, 656 to 659)
CD LOOP, PLAY MODE/DOLBY NR/TUNER MEMORY, EDIT/DIRECTION, REPEAT
STEREO/MONO,
r
REC,
P
PAUSE, HI-DUB, CD SYNC keys input
30
MODEL
I
Destination setting terminal
31
SPEANA
RESET
O
Reset signal output terminal “H”: reset Not used (open)
32
L+R
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC603)
(for VACS, non-stop signal)
33
SIRCS
I
Remote control signal input from the remote control receiver (IC602)
(FLUORESCENT INDICATOR TUBE DRIVE, LED DRIVE, KEY CONTROL)
Key input terminal (A/D input) (S631 to 642)
TUNER BAND, CD
(
P
, TAPE B
(
/
9
, TAPE A
(
/
9
, I/
u
(POWER), DISC 1/2/3,
DISC SKIP/EX-CHANGE,
6
keys input
Key input terminal (A/D input) (S604 to 616)
PRO LOGIC, DSP, KARAOKE PON/MPX,
p
, P FILE MEMORY, GEQ CONTROL, FILE
SELECT, EFFECT, DEMO, TIMER SELECT, FUNCTION, CLOCK/TIMER SET,
DISPLAY keys input