— 18 —
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
I/O
I
I
O
O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
O
—
O
I
I
I
O
O
O
Description
SCOR input to CD
Remote control signal input
Reset output to CD system
CD block mute ON/OFF
Input from ROCK key
Input from POP key
Clock for reading CD SUBQ
CD SUBQ data input
Input from TAPE REC switch
CD SENS input
CD SENS2 input
Input from CD-PLAY key
Input from CD-STOP key
Clock for CD DSP command
Latch output from CD system
Command data output from CD DSP
Input from MEGA BASS switch
Input from LIVE/TONE + key
Input from VOCAL/TONE – key
Input from VOL + key
Input from VOL – key
Mode check from RADIO/SOUND
Open/close sense from CD door
Input from RADIO BAND switch
Input from CD key (A/D)
Input from TAPE FUNCTION key
Input from FM/RADIO key
Input from AM FUNCTION key
Input from CD FUNCTION key
Reset input
4.19 MHz input
4.19 MHz output
Microprocessor reference GND
ON/OFF terminal of LCD drive port
LCD drive voltage terminal
LCD drive voltage terminal
LCD drive voltage terminal
LCD common output port
LCD common output port
LCD common output port
Pin Name
C-SCOR
RMC
C-XRST
B-MUTE
ROCK
POP
C-SQCK
C-SQSO
REC
C-SENS
C-SENS2
CD-PLAY
CD-STOP
C-CLK
C-XLT
C-DATA
MEGA BASS
LIVE/TONE +
VCAL/TONE –
VOL +
VOL –
MODE CHK
C-DOOR
BAND CHK
CD KEY
TAPE
FM/RADIO
AM
CD
RST
4.19 MHz
4.19 MHz
Vss
VL
VLC3
VLC2
VLC1
COM0
COM1
COM2
5-2.
IC PIN FUNCTION
IC501 CXP83416
