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5-2.
IC PIN FUNCTION
IC501 CXP83416A-602Q
Pin No.
Pin Name
1
C-SCOR
2
RMC
3
C-XRST
4
B-MUTE
5
ROCK
6
POP
7
C-SQCK
8
C-SQSO
9
REC
10
C-SENS
11
C-SENS2
12
CD-PLAY
13
CD-STOP
14
C-CLK
15
C-XLT
16
C-DATA
17
MEGA BASS
18
LIVE/TONE +
19
VCAL/TONE –
20
VOL +
21
VOL –
22
MODE CHK
23
C-DOOR
24
BAND CHK
25
CD KEY
26
TAPE
27
FM/RADIO
28
AM
29
CD
30
RST
31
4.19 MHz
32
4.19 MHz
33
Vss
34
VL
35
VLC3
36
VLC2
37
VLC1
38
COM0
39
COM1
40
COM2
I/O
I
SCOR input to CD
I
Remote control signal input
O
Reset output to CD system
O
CD block mute ON/OFF
I/O
Not used
I/O
Not used
I/O
Clock for reading CD SUBQ
I/O
CD SUBQ data input
I/O
Input from TAPE REC switch
I/O
CD SENS input
I/O
CD SENS2 input
I/O
Input from CD-PLAY key
I/O
Input from CD-STOP key
I/O
Clock for CD DSP command
I/O
Latch output from CD system
I/O
Command data output from CD DSP
I/O
Input from MEGA BASS switch
I/O
Input from LIVE/TONE + key
I/O
Input from VOCAL/TONE – key
I/O
Input from VOL + key
I/O
Input from VOL – key
I/O
Mode check from RADIO/SOUND
I/O
Open/close sense from CD door
I/O
Input from RADIO BAND switch
I/O
Input from CD key (A/D)
I/O
Input from TAPE FUNCTION key
I/O
Input from FM/RADIO key
I/O
Input from AM FUNCTION key
I/O
Input from CD FUNCTION key
I
Reset input
I
4.19 MHz input
O
4.19 MHz output
—
Microprocessor reference GND
O
ON/OFF terminal of LCD drive port
I
LCD drive voltage terminal
I
LCD drive voltage terminal
I
LCD drive voltage terminal
O
LCD common output port
O
LCD common output port
O
LCD common output port
Description
— 14 —
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