Class - Kenwood RD-DV5-S Service Manual

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