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HCD-RV7/RV8
•
MAIN BOARD IC501 M30620MCN-A05FP (SYSTEM CONTROLLER (CD MECHANISM CONTROL))
Pin No.
Pin Name
I/O
Description
1
NO-USE
—
Not used
2
STEREO
I
FM stereo detection signal input from the tuner unit “L”: stereo
3
TUNED
I
Tuning detection signal input from the tuner unit “L”: tuned
4
SIRCS
I
Remote control signal input
5 to 7
SUR1 to SUR3
O
Control signal output to the surround signal processor
8, 9
GND
—
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 signal generator “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
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 (16 MHz)
14
VSS
—
Ground terminal
15
X-IN
I
Main system clock input terminal (16 MHz)
16
VCC
—
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt input terminal
18
NO-USE
I
Not used
19
SYSCS
I
Chip select signal input from the MPEG audio/video decoder
20
AC-CUT
I
AC off detection signal input from the reset signal generator “L”: AC cut checked
21
ST-MUTE
O
Tuner muting on/off control signal output “H”: muting on
22
ST-CE
O
PLL chip enable signal output to the tuner unit
23
ST-DOUT
O
PLL serial data output to the tuner unit
24
BU-PWM3
O
PWM signal output to terminal Not used
25
ST-DIN
I
PLL serial data input from the tuner unit
26
BU-PWM2
O
PWM signal output to terminal Not used
27
ST-CLK
O
PLL serial data transfer clock signal output to the tuner unit
28
BU-PWM1
O
PWM signal output to terminal Not used
29
IIC-CLK
I/O
Communication data reading clock signal input or transfer clock signal output with the fluorescent
indicator tube driver
indicator tube driver
30
IIC-DATA
I/O
Communication data bus with the fluorescent indicator tube driver
31
TXD1
O
Not used
32
SYSOK
O
Acknowledge signal output to the MPEG audio/video decoder
33
VIDEO MUTE
O
Video muting on/off control signal output to the video amplifier “H”: muting on
34
NO-USE
I
Not used
35
SYSOUT
O
Serial data output to the MPEG audio/video decoder
36
SYSIN
I
Serial data input from the MPEG audio/video decoder
37
SYSCLK
I
Serial data transfer clock signal input from the MPEG audio/video decoder
38
SYSPWR
O
Power on/off control signal output for the CD/video CD section “H”: power on
39
CLOCK-OUT
O
Clock (32.768 kHz) signal output terminal (for test mode)
40
SYSRQ
O
Request signal output to the MPEG audio/video decoder
41
GC-RESET
I
Reset signal output to the fluorescent indicator tube driver “L”: reset
42
NO-USE
I
Not used
43
SYSRST
O
Reset signal output to the motor/coil driver, MPEG audio/video decoder and D/A converter
“L”: reset
“L”: reset
44
LOAD-IN
O
Turn motor drive signal output
45
LOAD-OUT
O
Turn motor drive signal output
46
OPEN-SW
I
Disc tray open detection signal input “L”: disc tray open
47
CLOSE-SW
I
Disc tray close detection signal input “L”: disc tray close
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