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HCD-GTR33/GTR55/GTR77
47
MAIN BOARD (1/3) IC401 R5F364AEDFA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
FL-DRIVER-CS
O
Serial data chip select signal to FL Driver, PT6324
2
FL-DRIVER-CLK
O
Serial data clock signal to FL Driver, PT6324
3
FL-DRIVER-DATA
O
Serial data output signal to FL Driver, PT6324
4
SIRCS
I
Remote control signal input
5
CDM-SD
I
CDM protector detection input signal "H": protector on
6
M2-
O
Disc change and mode change motor control signal output
7
M2+
O
Disc change and mode change motor control signal output
8
BYTE
-
Ground terminal
9
CNVss
-
Ground terminal
10
XC-IN
I
Sub system clock input terminal (32.768kHz)
11
XC-OUT
O
Sub system clock output terminal (32.768kHz)
12
RESET
I
System reset signal input from the reset signal IC "L": reset
After the power supply rises, "L" is input for several hundreds msec and then change to "H".
13
X-OUT
O
Main system clock output terminal (8MHz)
14
VSS
-
Ground terminal
15
X-IN
I
Main system clock input terminal (8MHz)
16
VCC
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt input terminal
18
M1-
O
Tray/drawer transportation motor control signal output
19
MTK-BSY
O
BUSY Signal communication between MTK Board
20
AC-CUT
I
AC off detection signal input from the reset signal IC "L": AC Cut detected
21
M1+
O
Tray/drawer transportation motor control signal output
22
SW3
I
Disc change and mode change detection signal input from CDM
23
SW1
I
Disc change and mode change detection signal input from CDM
24
SW-CHUCK
I
Tray chuck position detection signal from CDM
25
SW2
I
Disc change and mode change detection signal input from CDM
26
SW-CLOSE
I
Drawer close position detection signal input from CDM
27
SW-STOCK
I
Tray stock position detection signal from CDM
28
SW-OPEN
I
Drawer open position detection signal input from CDM
29
IIC-CLK
I/O
Serial data transfer clock signal output terminal
30
IIC-DATA
I/O
Serial data output terminal
31
METER BL CTL
O
Meter Backlight LED control signal. "H" LED ON (Only for HCD-GTR55 and HCD-GTR77
model)
32
NO-USE
-
Unused
33
NO-USE
-
Unused
34
MTK-XIFCS
I
Chip Select Signal from MTK DMB Board
35
MTK-SOD
O
Data Out Signal to MTK DMB Board
36
MTK-SIO
I
Data In Signal from MTK DMB Board
37
MTK-CLK
I
Clock Signal from MTK DMB Board
38
FAN CTRL ON/OFF
O
Fan Control Switch "H": fan on
39
METER LED_CTL
O
Dynamic LED drive signal output to the Meter Pointer LED and Meter Backlight LED.
"H":LED on (Only for HCD-GTR33 model)
Meter pointer LED Control pin. "H":LED on (Only for HCD-GTR55 and HCD-GTR77 model)
40
NO-USE
-
Unused
41
TC REC MUTE
O
TAPE muting control. "H": muting on (Only for African model)
42
MTK PWR CTL
O
Power Control pin for MTK DMB board
43
AD SUPPLY SWITCH
O
AD Power Control pin
44
ST-CLK
O
PLL serial data transfer clock signal output to the tuner unit
45
MTK-OE
O
MTK Output enable control pin
46
NO-USE
-
Unused
47
MTK HUB RST
I
MTK Hub Board reset pin
48
MTK-RESET
I
MTK DMB Board reset pin
49
TC_M+9V SW
O
TCM power supply control signal output "H":power on (Only for African model)
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 "H": ampli
fi
er on
52
SW SPK RELAY
O
Relay drive signal output for the subwoofer "H":relay on
53
FR SPK RELAY
O
Relay drive signal output for the front speakers "H":relay on