HCD-GTZ4/GTZ4i/GTZ5
41
MAIN BOARD IC401 R5F3640DDFA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1, 2
METER-IN3,
METER-IN4
O
Meter motor drive signal output to the meter display block
3
SW/USB CTRL
O
LED drive signal output terminal for USB A and SUBWOOFER indicator “H”: LED on
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
-
Ground terminal
9
CNVss
-
Ground terminal
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 Fixed at “H” in this set
18
M1-
O
Tray/drawer transportation motor drive signal output terminal
19
MTK-BUSY
O
Communication initialization request signal output to the servo DSP
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 input 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 input 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
METER BL CTL
O
Meter backlight LED drive signal output to the meter display block
32, 33
NO-USE
-
Not used
34
MTK-XIFCS
I
Communication initialization request acknowledge signal input from the servo DSP
35
MTK-TX
O
Serial data output to the servo DSP
36
MTK-RX
I
Serial data input from the servo DSP
37
MTK-CLOCK
I
Serial data transfer clock signal input from the servo DSP
38
NO-USE
-
Not used
39
METER LED CTRL
O
LED drive signal output to the meter display block “H”: LED on
40, 41
NO-USE
-
Not used
42
MTK PWR CTL
O
Power supply terminal on/off control signal output terminal “H”: power on
43
AD SUPPLY SW
O
Power supply terminal on/off control signal output terminal for the rotary encoder
44
HP DET
I
Headphone connection detection signal input terminal “H”: headphone connection
45
MIC DET
I
Microphone connection detection signal input terminal “H”: microphone connection
46
MTK-OE
O
Power supply on/off control signal output terminal for USB section “H”: power on
47
HUB-RST
O
Reset signal output to the USB controller “L”: reset
48
MTK-RST
O
Reset signal output to the servo DSP “L”: reset (GTZ4/GTZ5)
Reset signal output to the servo DSP and EEPROM “L”: reset (GTZ4i)
49
TC_M+9V
O
Not used
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 to the power ampli
fi
er “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
Relay drive signal output terminal for the main power “H”: power on
55
EEP-SDA
I/O
Two-way IIC data bus with the EEPROM
56
EEP-SCL
I/O
Two-way IIC clock bus with the EEPROM
57
VBus-Det
O
VBUS voltage detection signal output to the USB controller
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
61
ST-TUNED
I
Tuning detection signal input from the tuner (FM/AM)
