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HCD-CP101
6-18. IC PIN FUNCTION DESCRIPTION
• MAIN BOARD IC801 CXP83124A-055Q (SYSTEM CONTROLLER)
Pin No.
Pin Name
1
SENSOR
2
RDS-IN
3
SIRCS
4
MOT-CON
CD-DATA/
5
TU-DATA
6
T-MODE
7
REG-CON
CD-CLK/TU-
8
CLK
9
JOG-C (BASS)
10
SOL-CON
11
CD-CLK
SQSO/
12
RDS-DATA
13
HOLD
14
TRAY-OPEN
15
TRAY-CLOSE
16
JOG-D (BASS)
17
TUNED
CD-SENSE/
18
TU COUNT
CD-LATCH/
19
TU CE
20
JOG-B
21
JOG-A
22
AMP-MUTE
23
VOL-CE
24
STANDBY LED
25
TU-ON
26
D. S. G.
27
CD-SYNC
28
SCK
29
JOG-E (TREBLE)
30
JOG-F
31
DC DETECT
*1 Loading motor control
Mode
Stop
Terminal
"L"
TRAY-OPEN (pin qf)
"L"
TRAY-CLOSE (pin qg)
34
I/O
I
Tape end detect sensor input terminal "H": input when the tape end detected
Serial data reading clock signal input from the RDS decoder
I
Used for the AEP, UK models (Except AEP, UK models: not used)
I
Remote control signal input from the remote control receiver
O
Capstan/reel motor on/off control signal output terminal "H": motor on
Serial data output to the CXD2587Q (at CD function)
O
PLL serial data output to the tuner pack (at tuner function)
I
Head position detect switch input terminal "L": forward direction, "H": reverse direction
O
Main system power supply on/off contorl signal output terminal "H": power on
Serial data transfer clock signal output to the CXD2587Q (at CD function)
O
PLL serial data transfer clock signal output to the tuner pack (at tuner funcion)
I
Jog dial pulse input from the rotary encoder (BASS) (C phase input)
O
Trigger plunger on/off control signal output terminal "H": plunger on
O
Subcode Q data reading clock signal output ti the CXD2587Q (at CD function)
Subcode Q data input from the CXD2587Q (at CD function)
I
RDS serial data input from the RDS decoder (at tuner function) Used for the AEP, UK models
(Except AEP, UK models: not used)
O
Automatic power control hold signal output to the RF amplifier
O
Motor drive siganl output to the loading motor drive "H": active *1
O
Motor drive signal output to the loading motor drive "H": active *1
I
Jog dial pulse input from the rotary encoder (BASS) (D phase input)
I
Tuning detection signal input from the tuner pack (at tuner function)
Internal status (SENSE) input from the CXD2587Q (at CD function)
I
PLL count data input from the tuner pack (at tuner function)
Serial data latch pulse output to the CXD2587Q (at CD function)
O
PLL serial chip enable signal output to the tuner pack (at tuner function)
I
Jog dial pulse input from the rotary encoder (VOLUME) (B phase input)
I
Jog dial pulse input from the rotary encoder (VOLUME) (A phase input)
O
Muting on/off control signal output to the power amplifier
O
Chip enable signal output for the electrical volume
I
LED drive signal output of the STANDBY indicator (D856) "H": LED on
Power supply on/off control signal output of the tuner section
O
LED drive signal output of the BAND indicator "H": tuner power on (LED on)
O
LED drive signal output of the DSG (Dynamic Sound Generator) indicator "H": LED on
O
LED drive signal output of the CD SYNC indicator "H": LED on
O
Serial data transfer clock signal output to the electrical volume
I
Jog dial pulse input from the rotary encoder (TREBLE) (E phase input)
I
Jog dial pulse input from the rotary encoder (TREBLE) (F phase input)
I
Speaker DC output protect signal input terminal
Table In
Table Out
Brake
"L"
"H"
"H"
"H"
"L"
"H"
Description
"H": muting on
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