70%
STEREO INTEGRATED AMPLIFIER
KAF-1030/3030R/3030R-S
SERVICE MANUAL
© 2000-3/B51-5611-00 (K/K) 1704
STEREO INTEGRATED AMPLIFER
KAF-3030R
PHONES
ON
OFF
POWER
STANDBY
SPEAKERS
A
A+B
B
OFF
LR
BASS
TREBLE
BALANCE
MIN
MAX
VOLUME CONTROL
SOURCE
DIRECT
DIRECT
TRAIT
TAPE
TUNER
PHONO
MD
/ CD-R
Adv. DA
/ CD
AUX
Linear
INPUT SELECTOR
+
--
--
+
SPEAKERS
(A or B : 4--16
, A and B : 8--16)
R
A
B
L
MD/CD-R
TAPE
REC
PLAY
REC
TUNER
AUX
Adv. DA
/CD
SYSTEM
CONTROL
PLAY
PHONO
SIGNAL
GND
R
L
SERIAL NO.
KAF-3030R
STEREO INTEGRATED AMPLIFIER
AC 230V
50Hz
150W
KENWOOD CORPORATION
MADE IN KOREA
AC OUTLETS
UNSWITCHED
100W MAX.
SWITCHED TOTAL
200W MAX.
Illustration is KAF-3030R.
* Refer to parts list on page 16.
Panel *
(A60-)
Window
(B11-1517-08)
Screw terminal board
(E70-0104-08)
AC power cord bushing
(J42-0083-05)
KENWOOD badge
(B43-0302-04)
Metallic cabinet
(A01-3781-08)
Button
(K29-7862-08)
Knob
(K29-7860-08)
Knob *
(K29-)
Button
(K29-7864-08)
Knob
(K29-7858-08)
Pin jack
(E63-0186-08)
Pin jack
(E63-1165-08)
AC power cord *
(E30-)
Phone jack
(E11-0263-08)
Phone jack
(E11-0333-08)
AC outlet *
(E03-)
Pin jack
(E63-0189-08)
Caution: No connection of ground line if disassemble the unit.
Please connect the ground line on rear panel, PCBs, Chassis and some
others.
KAF-1030/3030R
2
CONTENTS / ACCESSORIES
CONTENTS / ACCESSORIES .................................. 2
CONTROLS ................................................................3
CIRCUIT DESCRIPTION ............................................5
ADJUSTMENT ............................................................6
PC BOARD ................................................................ 7
SCHEMATIC DIAGRAM .......................................... 11
EXPLODED VIEW ....................................................15
PARTS LIST..............................................................16
SPECIFICATIONS ....................................................19
Contents
Remote
(A70-1429-08)
Battery cover (A09-0170-08)
control unit (1)
(KAF-3030R only)
Batteries (R6/SUM-3) (2)
(KAF-3030R only)
Accessories
Operation to reset
The microcomputer may fall into malfunction (impossibility to
operate, erroneous display, etc.) when the power cord is un-
plugged while power is ON or due to an external factor. In this
case, execute the following procedure to reset the microcom-
puter and return it to normal condition.
Set the
POWER to OFF then, while holding down the SOURCE
DIRECT key, set the POWER switch to ON.
·Please note that resetting the microcomputer clears the contents
stored in it and returns it to the condition when it left the factory.
Cautions
KAF-1030/3030R
3
CONTROLS
Main unit
1 STANDBY indicator (KAF-3030R only)
2 POWER switch
3 SPEAKERS A/B switches
Turn to select the A and/or B speakers systems.
4 BASS knob
To adjust low frequencies.
5 TREBLE knob
To adjust high frequencies.
6 BALANCE knob
Adjust the volume balance between left and right.
7 VOLUME CONTROL knob
Adjust the volume.
8 MUTE key/indicator (KAF-1030 only)
Mute the sound temporarily.
9 LOUDNESS key/indicator (KAF-1030 only)
Use to emphasize deep bass sounds.
0 Remote Sensor (KAF-3030R only)
! PHONES jack
Used for headphone listening.
@ SOURCE DIRECT key/indicator
To listen to a source with high quality sound.
# Adv. DA / CD DIRECT key/indicator
(KAF-3030R only)
To listen to a Advanced Digital Audio source with
high quality sound.
$ INPUT SELECTOR knob
Turn to select the input sources.
% INPUT indicator
An indicator lights for the source selected
with the
INPUT SELECTOR knob.
STEREO INTEGRATED AMPLIFER
KAF-3030R
KAF-1030
KAF-1030
SOURCE
DIRECT
LOUDNESS
MUTE
PHONES
ON
OFF
POWER
STANDBY
SPEAKERS
A
A+B
B
OFF
LR
BASS
TREBLE
BALANCE
MIN
MAX
VOLUME CONTROL
SOURCE
DIRECT
DIRECT
TRAIT
TAPE
TUNER
PHONO
MD
/ CD-R
Adv. DA
/ CD
AUX
Linear
ON
OFF
POWER
INPUT SELECTOR
!
34
5
6
7
8 9
0
1
2
@
#
KAF-1030
TAPE
TUNER
PHONO
MD
/ CD-R
CD
AUX
INPUT SELECTOR
$%
KAF-1030/3030R
4
CONTROLS
REMOTE CONTROL UNIT
RC-A0301
4¢
7
6
4¢
7
3
8¶
1
¡
8¶
fi
fi
%
%
1¡
2
73
A
DISC SKIP
B
AUX
TUNER
TAPE
POWER
MD
PHONO
MUTE
VOLUME
CONTROL
TUNER
P.CALL
CD
TAPE
MD
Adv. DA/CD
SOURCE
DIRECT
Adv. DA/CD
DIRECT
The
part of the illustration designates keys that can be used to operate KENWOOD components connected with the system
control. The rest of the illustration designates keys that have the same functions as the keys on the main unit.
Model: RC-A0301
Infrared ray system
Remote control unit (KAF-3030R only)
DISC SKIP key
Only used for the Autochanger
CD player.
POWER key
Use to switch the power
ON/
STANDBY when the POWER
switch is turned ON.
TUNER operation keys
MUTE key
Mute the sound temporarily.
VOLUME UP (
%), DOWN
(
fi) keys
Adjust the volume.
SOURCE DIRECT key
Switch SOURCE DIRECT ON/
OFF.
Adv. DA / CD DIRECT key
Press for one second or more
to switch Adv. DA / CD DIRECT
ON/OFF.
TAPE operation keys
These keys perform the same
operations as the correspond-
ing keys on the cassette deck.
However, operations requir-
ing simultaneous pressing of
two keys are not possible.
CD player operation keys
MD recorder operation keys
INPUT SELECTOR keys
Pin No.
Pin Name
I/O
Description
ACTIVE
HL
1
VDD
-
Power supply(+5.0V).
2
REMOCON
I
Remote control signal input.
KAF-3030 only
3
VDD
-
Power supply(+5.0V).
4,5
NC
-
Unused.
6
MAIN MUTE
O
Control port of audio muting.
OFF
ON
7
MD REC MUTE
O
MD REC muting control.
8
TAPE REC MUTE
O
TAPE REC muting control.
9
POWER RELAY
O
Control port of standby relay.
10
SP. RELAY A
O
A speaker relay control.
11
SP. RELAY B
O
B speaker relay control.
12
DVD RELAY
O
DVD relay control port.
13-15
NC
-
Unused.
16
SP. A IN
I
Input port of A speaker selector.
17
SP. B IN
I
Input port of B speaker selector.
18
NC
-
Unused.
19
STB
O
Strobe output to input selector.
20
CLK
O
Clock output to input selector.
21
DATA
O
Data output to input selector.
22
SYSCON DATA
I/O
System serial data input/output.
KAF-3030 only
23
SYSCON BUSY
I/O
System serial busy input/output.
KAF-3030only
24
KEY IN
I
Input port of key signal.
25
VOLUME DOWN
O
Control port of motor volume(down).
ON
OFF
26
VOLUME UP
O
Control port of motor volume(up).
ON
OFF
27
MD/CD-R LED
O
Control port of MD/CD-R LED.
28
TAPE LED
O
Control port of TAPE LED.
29
AUX LED
O
Control port of AUX LED.
30
RESET
I
Reset signal input.
31
EXTAL
-
10MHz oscillator.
32
XTAL
-
10MHz oscillator.
33
VSS
-
Ground.
34
TUNER LED
O
Control port of TUNER LED.
35
CD/AD-DA CD
O
Control port of CD/AD-DA CD LED.
36
PHONO LED
O
Control port of PHONO LED.
37
DVD DIRECT LED
O
Control port of DVD DIRECT LED.
38
SOURCE LED
O
Control port of SOURCE LED.
KAF-3030 only
39
LOUDNESS LED
O
Control port of SOURCE LED.
KAF-1030 only
40
MUTE LED
O
Control port of MUTE LED.
KAF-1030 only
41
STNDBY LED
O
Control port of STANDBY LED.
KAF-3030 only
42
MAIN VOL. LED
O
Control port of vol. LED.
43
LOUDNESS
O
Control port of loudness. LED.
KAF-1030 only
OFF
ON
44-71
NC
-
Unused.
72
VDD
-
Power supply(+5.0V).
73
NC
-
Unused.
74,75
ENCODER IN
I
Data input of encoder(input selector).
76,77
ENCODER SP
-
Unused.
78
POWER OFF
I
Power off signal input.
OFF
ON
79
PROTECTION
I
Detection port of protection.
OFF
ON
80
3030/1030 SEL
-
Unused.
KAF-1030/3030R
5
CIRCUIT DESCRIPTIONS
1. Microprocessor
Pin description