RD-DV5-S/DV7-L/DV5MD-S
14
CIRCUIT DESCRIPTION
Port No.
Port Name
I/O
Function
Active
H
L
1
FL DATA
O
Data output to FL driver.
2
FL CLK
O
Clock output to FL driver.
3
FAN CONT
O
Fan control port.
4
DVD MUTE4
O
Mute control port for DVD.
5
ROM DATA
-
Unused.
6
ROM CLK
-
Unused.
7
NC
-
Unused.
8
BYTE
-
Connected to ground.
9
CNVSS
-
Connected to ground.
10
XCIN
I
Clock input (32.768kHz).
11
XCOUT
O
Clock output (32.768kHz).
12
RESET
I
Reset signal input.
13
XOUT
O
Main clock output (10MHz).
14
VSS
-
Connected to ground.
15
XIN
I
Main clock input (10MHz).
16
VCC
-
Supply voltage (+5V)
17
NMI
-
Connected to VCC.
18
u-COM CE
I
Detection port for power failure
19
REMOCON
I
Remote control signal input.
20
RDS CLK
I
RDS clock signal input. (E/T type only)
21
FL STB
O
Strobe signal output to FL driver.
22
DVD NRST
I
Reset signal input of DAC for DVD. (Unused)
23
DVD POWER
O
DVD power on port.
24
DVD A
O
On/off port of high voltage for DVD tray motor.
25
DVD TRAY/TRV
O
Control port that sense of rotation for DVD motor driver.
26
DVD B
O
On/off port of low voltage for DVD tray motor.
27
DVD OPEN SW
I
Input port of tray switch for DVD.
28
DVD CLK
I
Clock signal input for DVD communication.
29
DVD SIN
I
Data input for DVD communication.
30
DVD SO0
O
Data output for DVD communication.
31~34
NC
-
Unused.
35
KDATA
O
Data output for MD communication.
36
MD DATA
I
Data input for MD communication.
37
MD DSCK
O
Clock output for MD communication.
38
MD DSTR
O
Strobe output for MD communication.
39
MD SEARCH
O
MD search output.
40
MD RST
O
Reset signal output to MD mecha. Microprocessor.
41
NC
-
Unused.
42
MD ST
O
Strobe signal output to MD mecha. Microprocessor.
43
NC
-
Unused.
44
HP IN
I
Detection port of headphones jack.
45
ENPH CONT
-
Unused.
46
NC
-
Unused.
47
RDS DT
O
RDS synchronized data output. (E/T type only)
48
CS-SP
O
Relay control port of center and sub woofer speakers.
4ch SP.
4ch SP.
(RD-DV7 only)
On
Off
49
F-SP
O
Relay control port of front speaker.
Front SP.
Front SP.
On
Off
50
AMUTE
O
Audio mute control port.
Mute off
Mute on
51
MD MUTE
O
MD search mute.
MD search
Others
52
AMP SW
O
Control port of A class amplifier.
53
POWER
O
Control port of power relay.
Power on
Power off
54
S VIDEO SW2
O
Change-over the video switch 2.
5. Port Description of Microcomputer (X29, IC15)