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1. Microprocessor
Pin description
Pin No.
Pin Name
1
VDD
2
REMOCON
3
VDD
4,5
NC
6
MAIN MUTE
7
MD REC MUTE
8
TAPE REC MUTE
9
POWER RELAY
10
SP. RELAY A
11
SP. RELAY B
12
DVD RELAY
13-15
NC
16
SP. A IN
17
SP. B IN
18
NC
19
STB
20
CLK
21
DATA
22
SYSCON DATA
23
SYSCON BUSY
24
KEY IN
25
VOLUME DOWN
26
VOLUME UP
27
MD/CD-R LED
28
TAPE LED
29
AUX LED
30
RESET
31
EXTAL
32
XTAL
33
VSS
34
TUNER LED
35
CD/AD-DA CD
36
PHONO LED
37
DVD DIRECT LED
38
SOURCE LED
39
LOUDNESS LED
40
MUTE LED
41
STNDBY LED
42
MAIN VOL. LED
43
LOUDNESS
44-71
NC
72
VDD
73
NC
74,75
ENCODER IN
76,77
ENCODER SP
78
POWER OFF
79
PROTECTION
80
3030/1030 SEL
CIRCUIT DESCRIPTIONS
I/O
-
Power supply(+5.0V).
I
Remote control signal input.
-
Power supply(+5.0V).
-
Unused.
O
Control port of audio muting.
O
MD REC muting control.
O
TAPE REC muting control.
O
Control port of standby relay.
O
A speaker relay control.
O
B speaker relay control.
O
DVD relay control port.
-
Unused.
I
Input port of A speaker selector.
I
Input port of B speaker selector.
-
Unused.
O
Strobe output to input selector.
O
Clock output to input selector.
O
Data output to input selector.
I/O
System serial data input/output.
I/O
System serial busy input/output.
I
Input port of key signal.
O
Control port of motor volume(down).
O
Control port of motor volume(up).
O
Control port of MD/CD-R LED.
O
Control port of TAPE LED.
O
Control port of AUX LED.
I
Reset signal input.
-
10MHz oscillator.
-
10MHz oscillator.
-
Ground.
O
Control port of TUNER LED.
O
Control port of CD/AD-DA CD LED.
O
Control port of PHONO LED.
O
Control port of DVD DIRECT LED.
O
Control port of SOURCE LED.
O
Control port of SOURCE LED.
O
Control port of MUTE LED.
O
Control port of STANDBY LED.
O
Control port of vol. LED.
O
Control port of loudness. LED.
-
Unused.
-
Power supply(+5.0V).
-
Unused.
I
Data input of encoder(input selector).
-
Unused.
I
Power off signal input.
I
Detection port of protection.
-
Unused.
KAF-1030/3030R
Description
KAF-3030 only
KAF-3030 only
KAF-3030only
KAF-3030 only
KAF-1030 only
KAF-1030 only
KAF-3030 only
KAF-1030 only
ACTIVE
H
L
OFF
ON
ON
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
ON
5
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