HCD-ZT4
56
MAIN BOARD IC401 R5F3640MDFAR (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1, 2
METER-IN3,
METER-IN4
O
Meter motor drive signal output to the motor drive
3
SW LED
O
LED drive signal output terminal for SUBWOOFER indicator
4
SIRCS
I
SIRCS signal input from the remote control receiver
5
CDM-SD
I
CD mechanism deck protector detection signal input signal "H": protector on
6, 7
M2-, M2+
O
Disc change and mode change motor drive signal output terminal
8
BYTE
I
External data bus width selection signal input terminal
9
CN Vss
I
Processor mode switch input terminal (for test)
10
XC-IN
I
Sub system clock input terminal (32.768 kHz)
11
XC-OUT
O
Sub system clock output terminal (32.768 kHz)
12
RESET
I
System reset signal input from the reset switch "L": reset For several hundreds msec.
after the power supply rises, "L" is input, then it changes to "H"
13
X-OUT
O
Main system clock output terminal (5 MHz)
14
VSS
-
Ground terminal
15
X-IN
I
Main system clock input terminal (5 MHz)
16
VCC
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt signal input terminal Not used
18
M1-
O
Tray/drawer transportation motor drive signal output terminal
19
SBSY
I
Subcode block sync signal input from the CD-MP3 processor
20
AC-CUT
I
AC cut on/off detection signal input terminal "L": AC cut on
21
M1+
O
Tray/drawer transportation motor drive signal output terminal
22, 23
SW3, SW1
I
Disc change and mode change detection signal input from CD mechanism deck
24
SW-CHUCK
I
Tray chuck position detection signal from CD mechanism deck
25
SW2
I
Disc change and mode change detection signal input from CD mechanism deck
26
SW-CLOSE
I
Drawer close position detection signal input from CD mechanism deck
27
SW-STOCK
I
Tray stock position detection signal from CD mechanism deck
28
SW-OPEN
I
Drawer open position detection signal input from CD mechanism deck
29
IIC-CLK
I/O
Serial data transfer clock signal output terminal Not used
30
IIC-DATA
I/O
Serial data output terminal Not used
31
MC TXD
O
Serial data output to the DMPORT connector
32
MC RXD
I
Serial data input from the DMPORT connector
33
USB RESET
O
Reset signal output to the USB controller
34
USB CTS0
I
Clear to send signal input from USB controller
35
USB TXD0
O
Serial data output to the USB controller
36
USB RXD0
I
Serial data input from the USB controller
37
USB SEL-SW
O
Bus selection signal output terminal
38
USB RTS0
O
Ready to send signal to USB controller
39
AD SUPPLY SW
O
Power on/off control signal output terminal for the jog dail
40
MP3 IREQ
I
Request signal input from the CD-MP3 processor
41 to 44
CD BUS0 to CD BUS3
I/O
Serial data output to the CD-MP3 processor
45
CD BUCK
O
Serial data transfer clock signal output to the CD-MP3 processor
46
CD CCE
O
Chip enable signal output to the CD-MP3 processor
47
CD-MMUTE
O
Muting signal output to the coil/motor driver
48
CD-XRST
O
Reset signal output to the CD-MP3 processor
49
TC_+9V SW
O
Power on/off control signal output terminal for the tape section
50
PROTECT
I
Speaker protect detection signal input from speaker protect circuit "H": protector on
51
STK MUTE
O
Power ampli
fi
er on/off control signal output terminal "H": ampli
fi
er on
52
SW SPK RELAY
O
Relay drive signal output terminal for the subwoofer "H": relay on
53
FR SPK RELAY
O
Relay drive signal output terminal for the front speakers "H": relay on
54
STBY RELAY
O
Main power on/off control signal output terminal "H": power on
55
EEP-DATA
I/O
Two-way IIC data bus with the EEPROM
56
EEP-SCL
I/O
Two-way IIC clock bus with the EEPROM
57
DMPORT DET
I
DMPORT adaptor connection detection signal input terminal
58
LINE MUTE
O
Line muting on/off control signal output terminal "L": muting on
59
R2A15216FP-CLK
O
Serial data transfer clock signal output to the electrical volume
60
R2A15216FP-DATA
O
Serial data output to the electrical volume