61
HCD-RV7/RV8
• MAIN BOARD IC501 M30620MCN-A05FP (SYSTEM CONTROLLER (CD MECHANISM CONTROL))
Pin No. Pin Name I/O Description
1NO-USE —
Not used
2 STEREO I
FM stereo detection signal input from the tuner unit “L”: stereo
3TUNED 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”
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 fluorescen
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
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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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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