Kenwood A-4020-E Service manual

Page 1
DIMMER
P.CALL
P.CALL
A
SPEAKERS
B
MUTE
BASS BOOST
MONITOR
SOURCE
DIRECT
BALANCE
SOUND
MULTI CONTROL INPUT SELECTOR
VOLUME CONTROL
DOWN
UP
AV SURROUND RECEIVER
PHONES
BAND
AUTO
MEMORY
STANDBY
ON / STANDBY
POWER
-ON OFF–
TRAIT
REC OUT
PLAY IN
AUX
MD / TAPE1
TAPE2/
MONITOR
PLAY IN
REC OUT
PLAY IN
PLAY IN
PHONO
L
R
FM 75
GND
AM
SPEAKERS
+
--
+
R
+
--
+
L
L
R
B
A
SUBWOOFER PRE OUT
SYSTEM CONTROL
SL16
(
XS 8
)
AC 220 ­240V
AC 110 ­120V
AC 220 ­240V
AC 110 ­120V
50 s FM 50kHz AM 9kHz
DE-EMPHASIS CHANNEL SPACE
75 s
FM 100kHz
AM 10kHz
SWITCHED TOTAL
150W MAX
AC 110 -120V/220 -240V
50/60HZ
AUDIO VIDEO SURROUND RECEIVER
AR-304/KRF-A4020/
A4020E/A4020W
SERVICE MANUAL
Indicator (B12-0334-14)
KENWOOD badge (B43-0302-04)
Knob (K27-2185-04)
Knob (K29-7365-12)
Phone jack (3P) (E11-0295-05)
Front glass (B10-3475-02)
Knob (K29-7365-12)
Knob (K29-7310-03)
Knob (K29-7307-14)
© 1999-1/B51-5501-00 (K/K) 3390
Panel (A60-1585-01)
Foot (J02-1167-03)
Knob (K29-7306-14)
AC power cord (E30-2592-15)
Slide switch (S62-0034-05)
Phono jack (E63-0068-15)
Lock terminal board (E70-0080-05)
Metallic cabinet (A01-3533-01)
Phono jack (E63-0173-05)
Phono jack (E63-1016-05)
Miniature phone jack (E11-0347-05)
Slide switch (S62-0034-05)
Slide switch (S62-0001-05)
Lock terminal board (E70-0068-05)
Illustration is KRF-A4020 Mtype.
Power cord bushing (J42-0083-05)
AC outlet (E03-0149-05)
Please check the tuner PCB number before change C42,43 and X1 with new one .
Page 2
DIMMER
BASS BOOST
TUNER CD
1 2 3
4 5 60
789+10
TAPE2/
MONITOR
TA/NEWSPTY DISPLAY AUX
MULTI CONTROL
MD/TAPE1
REMOTE CONTROL UNIT
RC-R0708
PHONO
6 7
¡
2
TUNING
DISC SKIP
%
VOL. DOWN
VOL. UP
MEMORY
S.DIRECT
SOUND BALANCE
1 ¢P.CALL4
BAND AUTO
A/B +100
POWER
MUTE
DIMMER
BASS BOOST
TUNER CD
1 2 3
4 5 60
789+10
TAPE2/
MONITOR
TA/NEWSPTY DISPLAY AUX
MULTI CONTROL
MD/TAPE1
REMOTE CONTROL UNIT
RC-R0709
PHONO
6 7
¡
2
TUNING
DISC SKIP
%
VOL. DOWN
VOL. UP
MEMORY
S.DIRECT
SOUND BALANCE
1 ¢P.CALL4
BAND AUTO
A/B +100
POWER
MUTE
FM (T90-0836-05)
indoor antenna AC plug adaptor (1)
(E03-0115-05)
(1)
Loop antenna stand (1)
AM loop antenna (1) (T90-0833-05)
(J19-3645-05)
Remote control unit (1)
Remote control unit (1)
(A70-1267-05) : RC-R0708....ETQE1
(A70-1266-05) : RC-R0709....KPMX
Battery cover (A09-1123-08)
Battery cover (A09-1123-08)
Batteries (R06/AA) (2)
*Use to adapt the plug on the power
cord to the shape of the wall outlet. (Accessory only for regions where use is necessary.)
Resetting the Microcomputer
If the microcomputer may malfunction (unit cannot be operated, or shows an erroneous display) if the power cord is unplugged while the power is ON, or due to some other external factor. If this happens, execute the following procedure to reset the micro­computer and return the unit to its normal operating condition.
Unplug the power cord from the wall outlet, then plug it back in while holding down the POWER key.
• Please note that resetting the microcomputer will clear the contents of the memory and returns the unit to the state it was in when it left the factory.
With the power cord plugged in, turn the POWER key OFF. Then, while holding down the ON/STANDBY key, press POWER.
For U.S.A. and Canada
For other countries
AR-304/KRF-A4020

CONTENTS / ACCESSORIES / CAUTIONS

Contents

CONTENTS/ACCESSORIES/CAUTIONS...................2
CIRCUIT DESCRIPTION.............................................3
ADJUSTMENT............................................................ 6
WIRING DIAGRAM......................................................7
PC BOARD ..................................................................8

Accessories

SCHEMATIC DIAGRAM............................................11
EXPLODED VIEW .....................................................21
PARTS LIST...............................................................22
SPECIFICATIONS.....................................................28

Cautions

2
Page 3
AR-304/KRF-A4020
DESTINA
TION
TUNER
TYPE
BAND
RECEIVING
FREQUENCY
RANGE
CHANNEL
SPACE
IF
PLL
REFERENCE
FREQUENCY
DSW3
(D507)
DSW2
(D505)
DSW1
(D504)
DSWO (D510)
K,P K1(1700)
FMAM87.5MHz~108.0MHz
530kHz~1700kHz
100kHz
10kHz
+10.7MHz
+450kHz
25kHz 10kHz
0000
M.X E1
FMAM87.5MHz~108.0MHz
531kHz~1602kHz
50kHz
9kHz
+10.7MHz
+450kHz
25kHz
9kHz
0011
M K2(1600)
FMAM87.5MHz~108.0MHz
530kHz~1610kHz
100kHz
10kHz
+10.7MHz
+450kHz
25kHz 10kHz
0001
E,T
E3
RDS
FMAM87.5MHz~108.0MHz
531kHz~1602kHz
50kHz
9kHz
+10.7MHz
+450kHz
25kHz
9kHz
0101
Q
Q1
RDS
FML
FMH
AM
65.0MHz~74.0MHz
87.5MHz~108MHz 531kHz~1602kHz
10kHz 50kHz
9kHz
+10.7MHz +10.7MHz
450kHz
5kHz 5kHz 9kHz
1011
DSW0~DSW3(DIODE SW) * O: NONE DIODE,1:ADD DIODE
OPERATION KEY FUNCTION FL DISPLAY REMARKS
(EX.)
PTY
S LEVEL (1)(SLEVEL),(RF ATT)OFF
(1)
RF A T T (2)(SLEVEL),(RF ATT)ON
(2) (3)
(3)(NORMAL),(RF)ATT OFF
CYCLE
DISPLAY P.CALL UP
BASS BOOST P.CALL DOWN P.CALL FREQUENCY
TA/NEWS PI CODE PI 0000 PI CODE ON/OFF

CIRCUIT DESCRIPTION

1. BACK UP DATA AND INITIAL STATE

1-1 BACK UP
(1) AMP
• POWER................................STANDBY
• INPUT SELECTOR..............TUNER
• BALANCE ............................CENTER
• SPEAKER A RELAY............ON
• SPEAKER B RELAY............OFF
• VOLUME LEVEL.................-66dB
• BASS LEVEL .......................0dB
• TREBLE LEVEL...................0dB
• INPUT LEVEL......................0dB
• BASS BOOST......................OFF
• SOURCE DIRECT ...............OFF
• TAPE2/MONITOR................OFF
• SL16/XS8.............................SL16

2. DESTINATION LIST OF TUNER

(2) TUNER
• BAND...................................FM
• PRESET CHANNEL............."--"
• FREQUENCY.......................LOWER LIMIT VALUE
K1 .................................FM:87.50MHz/AM:530kHz
E1/E3............................FM:87.50MHz/AM:531kHz
Q1.................................FM:65.00MHz/AM:531kHz
• AUTO/MANUAL...................AUTO
• DISPLAY MODE..................FREQUENCY
• E ON THRUST RECEIVING ...........OFF
MODE
• T1 VOLUME.........................OFF(-66dB)
1-2 INITIAL SETTING
The initial setting is performed when the AC power cord is plugged into the AC power wall out let while pressing the power (STANDBY) key.

3. TEST MODE

3-1 SETTING
Turn the power ON while pressing the [BAND] key.
3-2 CANCELLATION
Unplug the AC power cord from an AC power wall outlet.
3-3 STARTING ACTIVE CONTENTS
1 The power on state is entered when the power is
tuned on while pressing the [BAND] key. All functions are initialized and activated in the all lighting mode.
2 All lighting mode is canceled when any main unit’s
keys are pressed. The normal display obtained when the selector is set to TUNER then appears.
3 E2PROM check(E,T,Q,type only).
Check the reading data and the writing data of the E2PROM after setting the test mode. Display shows blank if the reading data and writing data are the same. Display shows ”LW” if the different data will be written to E2PROM.
3-4 ACTIVE CONTENTS
1 The mute control is not activated when the mode is 2 The test mode will be terminated by plugging it off the
3 During the test mode, it can be operated in a special
switched. power source or by initializing it when all the settings
will be initialized. manner that is different from an ordinary operation by
using the keys on the remote control or the main
body ,specifically as shown in the following table (3-5 CONTENTS).
4 Channel space will be no changed in the test mode.
3-5 CONTENTS
3-5-1 TUNER FUNCTION
WITH THE SELECTOR ON TUNER (E/T/Q TYPE ONLY)
3-5-2 AMP FUNCTION
WITH THE SELECTOR ON SOMETHING OTHER THAN TUNER 1 One touch max,min setting for Audio level.
KEY MASTER VR.
BAND -89dB -10dB -10dB AUTO 0dB +10dB +10dB MEMORY -10dB 0dB 0dB
Bass and treble are selected when the sound key is pressed.
2 Tuned light
XS8/SL16 TUNED LIGHTS TUNED LIGHTS
SWITCH OFF ON
SOUND KEY
BASS TREBLE
XS8 SL16
3
Page 4
AR-304/KRF-A4020
FL DISPLAY ED51
10GRID
16SEGMENT
X8
X3
X2
X2
X2
X2
X09, S516
SERIAL COMMUNICATION
DATA
BUSY
VOLUME
ENCODER
X09, S518
MULTI
ENCODER
X09, S517
SELECTOR
ENCODER
X2
X3
8.0MHz CE RESET
X3
X2
TUNER MUTE AUDIO MUTE
X09, IC52 EEPROM
-10dB ATT
SD STEREO
KS0~KS7 KR0~KR2
X1
10-BT-216GK
LED
(STANDBY)
POWER RELAY
SPEAKER A RELAY SPEAKER B RELAY
X09, IC51
X09, IC3 SELECTOR IC
TC9164AN
REMOCON
CXP82840-163Q
(E/T/Q TYPE ONLY)
CXP82832-162Q
(OTHERS)
Receiver µ
X09, IC54 RDS IC
X05, IC2 TUNER
SAA6579/R (PHILIPS)
E/T/Q TYPE ONLY
E/T/Q TYPE ONLY
LC72131
X09, IC2 VOLUME IC
M62492FP
X24C02
(XICOR)
KEY
MATRIX
KR0(12) KR1(13) KR2(14)
KS0(81) BASS BOOST S.DIRECT BAND KS1(80) SPEAKER B *DIMMER/PTY *P.CALL UP/DISPLAY KS2(79) SPEAKER A POWER *P.CALL DOWN/TA NEWS KS3(78) - - ­KS4(77) - - DSW3(507) KS5(76) DSW2(D505) DSW1(D504) DSW0(D510) KS6(75) TAPE2/MONITOR SOUND AUTO KS7(74) MUTE BALANCE MEMORY
PTY,DISPLAY and TA/NEWS keys are only RDS version(E/T/Q).
CIRCUIT DESCRIPTION

4. Microprocessor CXP82840-163Q, CXP82832-162Q (X09, IC51)

4-1 Microprocessor periphery block diagram diagram
4
Page 5
AR-304/KRF-A4020
CIRCUIT DESCRIPTION
4-2 Pin descriptions
Pin No. Pin name I/O Description Active
1,2 G9,G10 O FL grid control (9,10).
3 NC - Unused. 4 RDS,CK I RDS IC clock input control. (E/T/Q type only) 5 RDS,DT I RDS IC data input control. (E/T/Q type only) 6 NC I Unused. 7 VOL.ENC.A I Volume encoder A (CW) signal. 8 REMOCON I Remote control signal input. 9 VOL.ENC.B I Volume encoder B (CCW) signal.
10,11 NC - Unused.
12~14 KR0~KR2 I Key return (0~2).
15 PROTECT I Protection detection signal input. H: Protection ON 16 S.DATA I/O Serial communication data. 17 S.BUSY I/O Serial communication busy. 18 E2.DATA I/O E2 PROM data. 19 E2.CLK O E2 PROM clock. 20 SEL.ENC.A I Selector encoder A(CW) input. 21 SEL.ENC.B I Selector encoder B(CCW) input. 22 MULTI.ENC.A I Multi control encoder A(CW). 23 MULTI.ENC.B I Multi control encoder B(CCW). 24 8/16 I Serial communication 8bit/16bit changeover.
25~27 NC - Unused.
28 VDD - Analog power supply (+5V). 29 S.LEVEL I Signal level A/D input. (E/T/Q type only)
30~32 NC - Unused.
33 PLL.DO I PLL IC DO signal input. (E/T/Q type only) 34 PLL.ST I TUNER stereo signal input. L: STEREO 35 PLL.SD I TUNER SD signal input. L: TUNED 36 RCV.CE I Receiver chip enable signal input. L: ENABLE 37 AVSS - Analog ground. 38 RESET I u-Com reset. 39 EXTAL I Main clock(8MHZ). 40 XTAL - Main clock(8MHZ). 41 VSS - u-Com ground. 42 TX - Unused. 43 TEX I Ground. 44 VDD - Analog power supply (+5V). 45 VFDP - FL power supply(-33V). 46 SEL.STB O TC9164AF strove. H: LATCH 47 SEL/PLL.DT O Selector/PLL IC data signal output. 48 SEL/PLL.CK O Selector/PLL IC clock signal output. 49 PLL.CE O PLL IC CE signal output. 50 T.MUTE O Tuner mute control. L: MUTE ON 51 A.MUTE O Audio mute control. L: MUTE ON 52 NC - Unused. 53 10dB.ATT O Volume 10dB attenuator control. L: ATT ON 54 VOL.DT O Volume IC(M62492FP) data control. 55 VOL.CK O Volume IC(M62492FP) clock control. 56 VOL.ST O Volume IC(M62492FP) strove control.
57~59 NC - Unused.
60 RELAY.A O SP. relay A control. H: RELAY ON 61 RELAY.B O SP. relay B control. H: RELAY ON
62,63 NC - Unused.
64 POWER.RLY O Power relay control. H: RELAY ON 65 STANDBY.LED O STANDBY LED control. H: LED ON
66~71 NC - Unused.
72 LIMITER O Output power control at SP. (A+B). K/M/X only. 73 S.W MUTE - Unused.
74,75 KS6/KS7 O Key scan 6,7. 76~81 P1/KS5~P6/KS0 O FL segment 1~6/key scan 5~0. 82~88 P7~P13 O FL segment 7~13.
89 VDD O u-Com +5V power supply.
90~92 P14~P16 O FL segment 14~16.
93~100 G1~G8 O FL GRID 1~8.
5
Page 6
AR-304/KRF-A4020
No. ITEM INPUT SETTINGS
ALIGN FOR
FIG.
1
DISTORTION
(STEREO)
(C)
98.0MHz 1kHz,
±68.25kHz dev. Selector
: L or R Pilot : ±6.75kHz dev. 70dBf (ANT. input)
(B) 98.0MHz
IFT (TUNER UNIT: A1)
Minimum distortion
(L or R)
(a)
2 TUNING LEVEL
(A)
98.0MHz MONO 1kHz, ±75kHz dev.
25dBf (ANT. input)
(B)
MONO
98.0MHz
VR1
(TUNER UNIT)
Adjust VR1 and
stop at the point
where ED51
(TUNED) goes on.
(a)
1 DISCRIMINATOR
(A)
98.0MHz 1kHz, ±40kHz dev.
Connect a DC
voltmeter between CN2 1 and CN2 2
(TUNER UNIT)
MONO
98.0MHzL4 (TUNER UNIT)
0V (a)
3
DISTORTION
(STEREO)
98.0MHz
(C)
1kHz, ±40kHz dev.
Selector : L or R
Pilot : ±6kHz dev.
70dBf (ANT. input)
(B)
AUTO
98.0MHz
IFT
(TUNER
UNIT : A1)
Minimum distortion
(L or R)
(a)
2
DISTORTION
(MONO)
(A)
98.0MHz 1kHz,
±40kHz dev. MONO
70dBf (ANT. input)
(B)
MONO
98.0MHz
L5
(TUNER UNIT)
Minimum distortion
(a)
4
1 IDLE CURRENT Volume: 0 11 mV
VR1 (L)
VR2 (R)
Connect a DC
Volumeter
across
CN11 (L)
CN12 (R)
TUNING LEVEL
(A)
98.0MHz MONO 1kHz, ±40kHz dev.
25dBf (ANT. input)
(B)
MONO
98.0MHz
VR1
(TUNER UNIT)
Adjust VR1 and
stop at the point
where ED51
(TUNED) goes on.
(a)
(b)
FM SECTION : EXCEPT E,T,Q type SELECTOR : FM
FM SECTION : E,T,Q type only SELECTOR : FM Adjust NO.1 and NO.2 repeat.
70dBf (ANT. input)
AUDIO SECTION
REC OUT
PLAY IN
AUX
MD / TAPE1
TAPE2/
MONITOR
PLAY IN
REC OUT
PLAY IN
PLAY IN
PHONO
L
R
GND
AM
SPEAKERS
+
--
+
R
+
--
+
L
L
R
B
A
SUBWOOFER PRE OUT
AC 220 ­240V
AC 110 ­120V
AC 220 ­240V
AC 110 ­120V
SWITCHED TOTAL
150W MAX
(A)
(B)
(C)
(D)
AM SG
FM-MPX-SG
FM-MPX-SG
POLAR SG
AC voltmeter
Oscilloscope
Distortion meter
Dummy antenna
(b)
(a)
Dc voltmeter
CN11, 12

ADJUSTMENT

OUTPUT
SETTINGS
RECEIVER
SETTINGS
ALIGNMENT
POINTS
SYSTEM CONNECTIONS
6
Page 7
15
1
15
1
AM: 9kHz
FM: 50kHz
50uS
AM: 10kHz
FM: 100kHz
75uS
2
1
2
1
XS8
SL16
SBUSY
SDATA
31 31
1
1
31
(K,P)
(M) (Q)
(X)
(T,E)
: AC120V 60Hz : AC110-120V/220-240V~
50/60Hz : AC220V~ 50Hz : AC240V~ 50Hz : AC230V~ 50Hz
2
1
F2
F1
F3
120V
110-
240V
220-
15 15
11
F4
F5
1
66
1
1
5
2
1
2
1
1
1
4
4
31
CN1 CN7
GND
CH SPACE DE-EMPHASIS
S1
J1AM ANT
FM75
S1
POWER SW
WH1 CN2
Rch 4
+
2Lch
+
3Rch
+
1Lch
+
J5
FRONT SPEAKERS A
SPEAKERS B
FRONT
S4
SYSTEM CONTROL SW
J6
SYSTEM CONTROL
PRE OUT
J4
SUB WOOFER
Lch 5
Rch 6
Lch 3
Rch 4
J3
Lch 1
Rch 2
Lch 1
Rch 2
PHONO
J1
MD/TAPE PLAY IN
TAPE2/MONITOR REC OUT
PLAY IN
Lch 3
Rch 6
Lch 5
Rch 4
J2
REC OUT
Rch 2
Lch 1
MD/TAPE
AUX
CD
CN8 CN9
WH51
CN10
CN1
J8
AC OUTLET
USED (M)TYPE
(E,E2)TYPE
USED
T1
S2S3
WH4
CN6
WH2
WH3
DESTINATION
U.K.
EUROPE
COUNTRY
T
E
2-71
UNIT No.
ABB.
UNIT No.
KRF-A4020 (X05-5052-71)
COUNTRY
RUSSIA
Q
ABB.
3-81
DESTINATION
KRF-A4020W (X05-4983-81)
EUROPE E1 2-71
ABB.COUNTRY
DESTINATION
KRF-A4020E (X05-4982-71)
COUNTRY
UNIT No.
ABB.
GENERAL MARKET
EUROPE
U.K.
AUSTRALIA
T E
2-71
M X
0-21 0-71
CANADA P
KRF-A4020 (X05-498X-XX)
DESTINATION
UNIT No.
DESTINATION
AR-304 (X05-5050-10)
COUNTRY
U.S.A.
UNIT No.
ABB.
K
0-10
KRF-A4020W (X09-6143-81)
DESTINATION COUNTRY
RUSSIA
ABB.
Q
3-81
UNIT No.
KRF-A4020 (X09-614X-XX)
GENERAL MARKET
DESTINATION
KRF-A4020E (X09-6142-70)
DESTINATION
EUROPE
COUNTRY
EUROPE
AUSTRALIA
U.K.
COUNTRY
2-70E
UNIT No.
ABB.
E1 2-70
M T
X
0-21 0-51
0-71
UNIT No.
ABB.
AR-304 (X09-6310-10)
DESTINATION COUNTRY
U.S.A.
CANADA
ABB.
K P
0-10
UNIT No.
KRF-4020W (X09-6143-81)
DESTINATION
COUNTRY
RUSSIA
3-81
UNIT No.
Q
ABB.
COUNTRY
DESTINATION
KRF-4020E (X09-6142-70)
EUROPE
U.K.
EUROPE
AUSTRALIA
GENERAL MARKET
KRF-4020 (X09-614X-XX)
DESTINATION
COUNTRY
CANADA
DESTINATION
COUNTRY
U.S.A.
X
0-71
UNIT No.
2-70E1
ABB.
2-70
0-51
E
T
0-21
UNIT No.
M
ABB.
UNIT No.
0-10
K P
ABB.
AR-304 (X09-6310-10)
WH52
TAPE2/MONITOR
E2 E3
HEADPHONE
ABB.
COUNTRY
2-71
0-51
EUROPE
U.K.
E
T
KRF-A4020 (X09-631X-XX)
UNIT No.
DESTINATION
J7
UNIT No.
KRF-4020 (X09-631X-XX)
EUROPE
U.K.
T E
DESTINATION
COUNTRY ABB.
0-51 2-71
TUNER UNIT (X05-XXXX-XX)
USED (M)TYPE
(X09- ) (F/8)
USED EXCEPT (K,P)TYPE
(X09-6XXX-XX) (A/8)
(X09- ) (B/8)
DISPLAY UNIT
AUDIO UNIT
(X09- ) (C/8) (X09- ) (G/8)
(X09- ) (D/8)
(X09- ) (H/8)
(X09- ) (E/8)
USED EXCEPT (M)TYPE
USED (M)TYPE
KRF-A4020/A4020E/A4020W
AR-304
7

WIRING DIAGRAM

AR-304/KRF-A4020
Page 8
A BDCE
R70
R40
C53
OFF
ON
W5 W6 W7
W4
W19
W22
W21
W20
W14
W17
W10
W1
W3
(W)
(G)
AM RF
VT
PLL
FM IF
AM STEREO
FM DET MPX
Vref
TUNED
FM
MPX.FIL.
T.METER
C17
W24
C28C38
C29
C37
W9
W16
VR1
CF1
CF2
C10
W13
W23
CF3
L9
L2
R50
R44
R71
C49
C46
C72
C32
C14
C15
C67
C55
W25
L3
C62
C66
C65
W8
W11
W15
L1
C73
C7
R81
C27
C16
C19
C21
C23
L6
L7
C48
R41
L4
R77
R61
C59
R2
X2
X1
111
22
12
1
15
1
1
8
16
30
2
151
E1
CN1
D6
A1
IC1
D4
D3
D9
D5
IC2
CN2
J1
S1
CH. SPACE
DE-EMPHASIS
ANTENNA
X05-498X-XX/X05-505X-XX
C69
D16
R90
W86
R80
R82
R12
C77
R60
R59
R58
W52
C86
EB
EB
D7
D13
Q14
Q15
C88
R89
C87
R43
C6
C78
C75
C11
C39
C42
C52
C47
C50
C51
C43
C44
R55
R56
R53
R54
R57
R51
R52
R49
R42
R11
R1
R7
C76R83
R88
D1
C84
C35
R32/W60
C8
C36
W85
C5
C1
C2
C3
C82
C12
C25
C26
C24
C41
C40
C30
C22
C18
C20
R14
R15
R16
R10
R4
R5
R8
R9
R6
R35
R23
R28
R25
R27
C31
C79
W51
W80
R85
C85
R86
R87
EB
EB
Q2
Q1
D11
C92
C93
C91
C89
C83
R29
R48
R34R33
R84
R79
R47
W84
R45
R46
R31
R36
W62
R64
R65
R30
C80
C34
C33
R37
EB
EB
EB
Q3
Q4
Q7
C68
W2
L5
C54
R75
C90
C58
C56
C57
C61 C60
R66
R63
R62
R69
R67
R68
R18
R19
R20
C63
W59
W81
C81
C45
W56
R17
R39
R38
R76
W83
R74
R78
W61
W55
R72C71
R73
C70
W82
C64
W54
16 9
18
EB
EB
EB
EB
EB
EB
Q11
Q10
IC3
Q9
Q8
Q12
Q6
D8

PC BOARD(Component side view)

1

TUNER UNIT

2
3
4
5
6
7
8
Refer to the schematic diagram for the value of resistors and capacitors.
Page 9
FHJLNGIKMO
(ALL)
XS8
SL16
W54
W170
W169
R49 R73
C88
R109
C94
C104
C118
W94W141
C136
C135
R91
R92
R204
R203
C32
W140
C84
C83
R145
R143
R144
C110
C137
C79
W198
W128
R182
R188
C134
W118
R45
C57
C58
R208
C66
C65
C67
C68
C119
R94
R90
R89
W165
R152
C133
W78
W20
R136
R66
R206
R65
R205
C27
R114
C31
C126
C28
R163
R164
C30
C29
R147
R146
R148
W116
W95
R83
R50 R74
R84
W134
W166
C125
C117
W90
W167W168
W104
SGND
SDATA
GND
BUSY
W121
W89
W97
W37
W42
W11
W27
W58
W162
W40
R82
R119
R118
R75
R76
R81
R99
R168
R100
R111
R117
R93
R70
R141
R63
R64
R156
R142
R67
R69
R68
W66
C75
W105
C73
C74
C71
C72
C59
C60
C129
C130
W119
W45
C123
C124
C115
C120
C63
C64
C3
C33
C35
C34
W12
W23
C36
C51
C44
C4
C52
C43
C37
C8
C7
C38
C87
C86
C108
C103
C114
C116
C100
C80
C82
C85
C95
C81
C93
C92
C102
C101
C107
C90
C78
C89
C91
C54
C9
C53
C56
C10
C55
C50
C6
C42
C49
C5
C39
C45
C40
C46
C1
W83
W85
C105
C106
C2
C122
C69
C20
C21
C22
C17
C18
C19
C23
C76
C77
C121
C70
C24
C25
C26
C98
C99
W65
C48
C41
C47
L2
L1
C14
C15
C13
C131
C132
C127
C128
C16
R106
R112
R110
R122
R123R124
R121
R113
R115
R116
R176
R165
R105
R167
R104
R175
R170
R171
R172
R125
R157
R155
R160
R158
R159
R154
R150
W131
R149
W79
R153
R151
R130
R131
R127
R126
R129
R128
R132
R138
R137
R140
R139
R134
R133
R135
R200
R183
R181
R187
R199
R186
R184
R103
R30
R29
R31
R33
R32
R28
R24
R23
R25
R27
R26
R41
R40
R42
R44
R43
R39
R35
R34
R36
R38
R37
R8
R7
R9
R11
R10
R6
R2
R1
R3 R5
R4
R19
R18
R20
R22
R21
R17
R13
R12
R14
R16
R15
R80
R86
R85
R77
R79
R78
R97
R96
R98
R102
R101
R95
R53
R52
R54
R56
R55
R51
R47
R46
R48
R62
R61
R71
R72
R60
R58
R57
R59
C11
C12
K2
K3
C111
W153
W161
W139
W144
W127
W133
W137
W132
W142
W96
W98
W103
W151
W148
W149
W155
W159
W163
W156
W138
W126
W100
W107
W125
W51
W46
W93
W102
W29
W33
W30
W24
W56
W22
W112
W41
W38
W57
W77
W86
W84
W34
W52
W62
W25
W91
W59
W2
W81
W113
W109
W88
W63
W67
W60
W68
W55
W26
W76
W1
W3
W6
W4
W31
W15
W32
W53
W49
W69
W71
W82
F3
F1
F2
PHONO EQ
10dB ATT
A CLASS
+5.6V AVR
-30V AVR
15VAVR
E.VOLUME
BIAS CONT.
BIAS CONT.
PROTECTION
INPUT
SELECTOR
A MUTE
R209
R173
W35
VR1
VR2
W171
R207
C96
C97
R120
K1
T1
W64
Lch
Rch
1
1
1
2
2
2
6
1
15
8
1
1
14
15
28
1
8
41
40
25
24
1
80
65
64
15
1
EB
2
1
2
1
131
BB EEE
EBB
EE BBBB EE
E
B
B
BE
E
BE
B
E
B
E
B
BE
B
E
B
E
B
E
E
B
E
B
E
E
E
B
E
B
E
B
B
E
B
E
E
BE
E
E
B
E
B
B
B
B
BE
B
B
E
E
B
E
EB
BE
BE
E
B
BE
EB
EB
BE
C510
MONITOR
1
C112
1
C113
1
2
A SP
B SP
C518
C511
R548
R107
R550 R551
W21
MUTE
W10
W9
W14
W13
BOOST
BASS
1
C524
C528
C508
9
3
15
F5
F4
R547
R108
W5
R549
POWER
POWER
W17
W19
W18
R539
4
8
W16
L501
C515
1
4
W8
W7
ED51
R541
SOUND
W50
W44
S.DIRECT
BALANCE
R560
R562
W39
C523
W28
C513
C512
C520
W36
X502
C527
R580
16
C522
R557
C519
W48
W61
R516
W43
5
W72
R504
W70
W75
B
B
E
E
R583
W73 W74
8
C506
R521
R567
R572
R571
R566
R559
W87
R561
W92
RDS DISP.
1
L502
C516
R569
R564
R578
1
P.CALLP.CALL
DIMMER
TA/NEWS
PTY
W47
4
AUTO
BAND
1
W80
35
MEMORY
W101
W106
13
R514
R506
R505
R503
R508
R510
R507
R513
R512
R511
R575 R576
W122
W124
W123
W120
R585
C535
R536
C525
R581
C534
C531
R582
W136
C504
R568
R532
R515
R531
W158
R534
R533
W160
R502
R529
R528
C509
81
W110
80
50
51
100
1
31
30
W147
R537
W143
C502
R169
R577
W150
C109
X501
W135
R530
W152
R524
R525
B
R509
W111
R540
W114 W115
R579
C526
R545
R546
C505
CP1
R527
R542
R543
R544
R538
W130
CP2
W129
W146
R556
C533
C503
W172
W145
E
C521
R586
C532
1
C507
C514
R552
R570
R563
R565
R558
R573
C517
R574
C529
O
G
I
31
21
120V
120V
5
240V
1
6
1
C62
1
3
C61
240V
H.P.
E
B
IC2
Q45
D28
Q46
D39
IC4
Q47
D41
D2
D23
D40
CN13
CN16
CN15
CN14
CN17 CN18
P1
D42
Q5
Q6
Q4
Q1
Q2
Q3
Q41
Q30
Q29
Q40
Q35
Q44
D27
D24
D26
D25
Q39
Q36
Q42
J6
Q7
Q8
Q31
Q27
Q28
Q9
Q15
Q34
Q33
Q37
Q38
Q16
Q32
Q12
Q11
Q10
Q13
Q14
J1
IC3
J3
D22
D514
D37
D31
D32
D38
D15
D8
D17
D16
D11
D10
D9
D12
D7
D3
D5
D6
D34
D33
D1
D36
D35
D18
D14
D13
D20
D4
D21
J4
WH3
Q20
Q22
Q19
Q21
WH4
D19
Q25
S4
J5
CN11
CN12
CN7
J2
CN8
IC1
E2
CN1
CN2
J8
(0-21)
Q26
X09-6310-10 A/8
AC
P.T.
SW.
WH2
P2
WH4
E3
X09 E/8
WH3
S512
S501
S507
S509
S506
D509
D517
WH51
CN4
CN19 CN20
CN5
X09 D/8
D515
D511
D523
D516
WH52
S508
D527
WH52
X09 C/8
X09 B/8
IC52
S503
S514
Q501
S502
D503
Q502
S518
D522
D507
D510
D504
D505
IC54
S505
S511
S513
D521
D519
D520
S504
S510
S515
D513
D512
A501
D530
D526
D524
S517
Q503
D518
IC51
D529
D528
S516
D508
IC53
CN9
X09 F/8
STANDBY
S1
WH1
S3
WH2
S2
X09 G/8
CN6
X09 H/8
P3
E1
J7
CN10
AC OUTLET
RL
SPEAKERS
CONTROL
SYSTEM
PRE OUT
PLAY IN
MONITOR
REC OUT REC OUT
PLAY IN
MD/TAPE
PLAY IN
AUX
CD
PLAY IN
PHONO
PHONES
STANDBY
MULTI
CONTROL
CONTROL
INPUT
CONTROL
VOLUME
PC BOARD(Component side view)
1
2
3
4
5

AUDIO UNIT

6
7
Refer to the schematic diagram for the value of resistors and capacitors.
9
10
Page 10
A BDFHJCEGI
GND
GND
ANT2
ANT1
4
3
2
1
100
100
R12
680K
R11
100K-
680-2.2K
R6
8P
0-8P
2-6P
C20
150P
R9
L6
C12
R10
10K
C15
27P
27P
C14
C16
3.9K
C13
R8
10K
R7
C17
100P
8
OUT
IF-OUT 7
C10
33K
L3
0-100
100K
0-8P
C18
C1
180P
L1
L2
10P
R1
C2
C6 4P
C3 0-8P
1.2M
470K-
1000P
180P
0.1
C9
68
R14
C19
C5
R5
L5
L4
3P
R13
680
C7
27P
R3
R2 C4
R4
33K
0.1
+B
6
VT
IFT
C8
0.1
5
OSC
100
R4
R2
33K
0-5P
GND4
ANT1 GND
GND3
2
1
C3
27P
L1
C1
27PC215P
C14
0.1
C5
3-7P
R1
100KR3100K
L2
C4
10P
C6
R6 33K
C7 5-10P
L3
L4
0-100
R15
10K
1.5K
C21
10P
R17
470-
C16
47P
7C9
C15
3.9K
2-6P
C17
L7
R12
C19
C20
8P
27P
R14
10K
R16
220
R18
C8 0-6P
R7 33K
R5
1000P
L5
C10
L6
5P
C12 2P
680K-1.5M
R8
680
R9
C11
27P
0.1
C22
1-3P
100
R19
150K-
560K
C23
OSC
100P
0-100
VCC86
R11
IF-OUT
IFT
VT
0.1
C13
5
270
R44
100
0.01
C3
R8
R2
220
C2
0.01
3.3K
R7
820
680
R4
CF1
CF2
R12
100
1/4W
4P
C75
R41
100K
L1
10K
R42
0.01
C36
1uH
L2
S-METER
DRIVE
TUNING
FM
AM/FM
S-CURVE
1
2
FM IF
S-METER
FM
DET
IF-BUFF
3
4
GND
5
AM
OSC
BUFF
ALC
30
29
SD
COMP
AM
AM IF
RF.AMP
AM
MIX
REG
28
AM
AGC
27
26
VCC
867
DRIVE
STEREO
9
12
10
11
13
15
14
MUTE
DET
25
24
23
22
38K304KHz
VCO
FF
2
19K
FF
DECODER
ANTI-BIRDIE
P-DET
21
SW
STEREO
20
19
PILOT
DET
FF
19K 8
18
17
16
47P
0.047
C20
10u10
C19
+
0.047
C22
3.3u35
C21
+
R25 C26330P
10u16
C23
+
4.7u25
C27
C25
VR1
10K
R27
R28
2.2u50
C29
+
2.2u50
C28
+
C31
C79
C30
C80
10u16
C38
+
10u16
C37
+
0.01
C34
C33
0.01
560
R30
47K
R31
0.047
C12
22
R16
R1433K
R15
CF3
10u16
C14
+
R17 3.6K
C45 22P
+
C15
1u50
3.9K
3K
R18
0.47u50
C16
+
R19
C17 1u50 +
8.2K
L4
3.9K
R37
R36
100
R35
1
C81
L3
0.047
C11
47u16
C10
+
21
R23
R83 1K
47P
C76
6P
C39
C41
22P
10uH
L9
C40 2P
21
C B I/F
DIVIDER
REFERENCE
3
2
1
4
5
2
22
14
SWALLOW COUNTER
1/16,1/17 4bits
ON
DETECTOR
RESET
DATA SHIFT REGISTER LATCH
6
7
8
10
9
11
POWER
CHARGE PUMP
PHASE DETECTOR
UNLOCK
20
19
18
17
16
UNIVERSAL COUNTER
12bits PROGRAMABLE
DIVIDER
1/2
15
13
12
7.2MHz
X1
C42
C43
1.2K
R59
R58
12K
R49 10K
R48 1K R47 1K R46 1K R45 1K470P
C44
47u16
C48
+
10u16
C46
+
1000P
2.2u50
+
0.022 R531K
R54
R51
5.6K
100
R52
470
R50
C47
1/4W
1K
R56
100P
C52
1K
R57
470P
C51
100P
C50
33K
R55
R43 220
VCC
2
1
4
3
E1
C1
0.022
C18
L5
R82
2.7K
1u50
C72
+
47u16
C73
+
R1
R5
R6 220
0.01C5R11
C6
0.01
390
R9
1K
R10
C82 0.01
C7 47u16
+
R81
C8 0.01
150 1W
R80 22K
4.7u35
C32
+
R40
10K
1K
R38
R39
1K
L6
W82
8200P
C70
L7
C71
8200P
W83
820
R78
W56
3
5 4
6
R84
1K
1K
1K
C78
C49
2.2K
4700P
4700P
C24
R85
1M
1M
R86
R87
1M
0.022
C85
0.022
C84
R88 56K
470P
C86
IF-OUT
VCC
OSC
R18
150K-
560K
R14
10K
0-5P
C16
33P 3.9K
R12
10P
C17
L7
C19
C21
R15
10K
R17
680-
2.2K
10P
C22
C20
27P
1-3P
100P
C3
15P
GND
4
GND3
C13
0.1
ANT1
GND2
L1
R2
33K
C5
3-7P
C14
0.1
R3
R1
100K
L2
10P
L4
C7 4-8P
L3
100K
1 27P
C1 C2
27P 0-5P
C4
C6
R4
0-100
680K-1.5M
R7 33K
R6 33K
C8 0-5P
1000P
100
R5
L5
R8
C10
R9
680
L6
C15
R16
330
0.1
0-100
100
R19
C23
R11
C11 27P
C12 2P
C9 5P
IFT
6
8
7
5VT
3300P
C88
33K
R89
R20
4700P
C89
4700P
C90
1
C91
100P
C77
100
R29
R33
R34
3300P
W60
C35
2.7K
R32
VREF
T.METER
1K
1000P
C74
+B
+B
+B
+15V
+B
+B
+B+B
+B
+B
+B
+B
+B
+B
+B
+B
+15V
+B
+15V
+B
+15V
+B
+B
+B
+B
+B
+15V +15V
TR3
1T362
: HVU202 or
: 2SC2413
D1-3
TR2,3
: 2SK302 : 2SC2714TR1
FET
D3
TR2
OSC
BUFFER
OSC
DISTORTION(ST)
D1
FET
D2
RF AMP
TR1
MIX
KV1440
RF AMP
: 2SC2714 : SVC220 or
: 2SC2413
FET1 : 2SK302 TR2,3
D1-4
TR1
D1
D2
FET1
OSC
D4
TR2
D3
BUFFER
OSC
TR3
DISTORTION(ST)
FM FRONT-END
TR1
MIX
GND
FM 75
J1
FM FRONT-END
Q1
D11
A
D1
LEVEL
FM TUNING
Q3
Q4
EMPHASIS 75uS: ON 50uS: OFF
DETECT BUFFER
Q7
C
B
PLL
D4
FM +B
Q14
FM/AM/MPX SYSTEM IC
CN2
DISCRIMINATOR
Q2
IF AMP
D3
D8
S LEVEL BUFFER
Q6
F
D9
Q12
DRIVE
MUTING
D5
D13
: HSU277 or 1SS356
: 2SC2714 : HVM25 or SVC208
: 2SC2413
: 2SK302
D5
TR1 D1-4
TR2,3
FET1
D4
TR2
OSC
BUFFER
OSC
TR3
D5
D1
FET1
RF AMP
D2
D3
FM FRONT-END
DISTORTION(ST)
TR1
MIX
AM ANT
SW
S1
CH. SPACE DE-EMPHASIS
FM :100kHz 75uS AM :10kHz
AM :9kHz
FM :50kHz 50uS
3.5V
8.1V
0V
(3.3V)
2.3V
1.2V
(2.4V)
0V
7.1V
(9.2V)
8.8V
(0V)
4.3V
(3.9V)
7.1V
(1.7V)
1.8V
3.6V
(1.2V)
0V
(1.4V)
0V
(0V)
3.2V
3.2V
4.2V
4.2V
3.2V
2.8V
3.6V
3.6V
2.5V
4.2V
0.9V
5.2V
(2.6V)
0V
0V
2.6V
0V
0V
0V
5.1V
(0V)
[0.6V]
0V
0V
0V
3.6V
14.4V
1.6V
FM : 98MHz : 4.3V
10.3V
(0V)
10.7V
[75uS]
50uS
0V
0V
0.9V
(4.9V)
8.1V
3.6V
5.9V
1.0V
6.5V
1.2V
3.7V
4.3V
8.0V
3.4V
3.5V
2.8V
4.2V
10.6V
2.6V
(0V)
0V
6.9V
0V
A1 (W02-2622-05)
A1 (W02-2584-05)
(E,T) TYPE
(K,P,M,X) TYPE
IC2
IC1
TUNER UNIT (X05-XXXX-XX)
A1 (W02-2586-05)
(Q) TYPE
6.7V
6.7V
6.7V
3.5V
3.5V
0V
0V
8.1V
(10.6V)
0V
AUTO: 7.1V
14.2V
1
2
3
4
5
6
7
Page 11
KMOLN
IC1 : IC2 : LC72131
Q1,3,4,6,7 : 2SC4081(R,S) or
Q2,12,14 : 2SA1576A(R,S) or Q10,11 : 2SD1757K D1 : DA204U or
D3 : RD8.2ES(B2) or
D8,11,13 : MA111
A1 :
(X05-XXXX-XX)
2SC4116(Y,GR) or 2SD1819A(Q,R)
2SA1586(Y,GR)
MA143A or 1SS302
MTZJ8.2(B) or RD5.1ES(B2) orD4 : MTZJ5.1(B) or RD2.7ES(B2) orD5 : MTZJ2.7(B) or
RD3.3ES(B2) orD9 : MTZJ3.3(B) or
+B
B
DIGITAL LINE SIGNAL LINE
GND LINE
B LINE B LINE
AR-304 (X05-5050-10)
DESTINATION
COUNTRY
U.S.A.
CANADA DESTINATION
COUNTRY ABB.
U.S.A. K
CANADA
KRF-A4020 (X05-498X-XX)
DESTINATION
COUNTRY ABB.
GENERAL MARKET
AUSTRALIA
U.K.
EUROPE
DESTINATION
COUNTRY ABB.
GENERAL MARKET
U.K.
EUROPE
KRF-A4020E (X05-4982-71)
DESTINATION
COUNTRY ABB.
EUROPE E1
DESTINATION
COUNTRY ABB.
EUROPE E1
KRF-A4020W (X05-4983-81)
DESTINATION
COUNTRY ABB.
RUSSIA DESTINATION
COUNTRY ABB.
RUSSIA
KRF-A4020 (X05-5052-71)
DESTINATION
COUNTRY ABB.
EUROPE E
DESTINATION
COUNTRY ABB.
U.K.
EUROPETE
UNIT No.
ABB.
K P
W02-2622
P
UNIT No.
M X
T
E
M
W02-2622
XAUSTRALIA
T
W02-2584
E
UNIT No.
W02-2584
UNIT No.
Q
W02-2586
Q
UNIT No.
TU.K.
W02-2584 LA1837
ACFB
0-10
0-21 0-71
2-71
2-71 YES
3-81 YES
2-71
NO
CF1,2
L72-0596
(MS2)
CNOBA
F
YES
CF1,2
A1
L72-0531
(MA5)
L72-0536
(MS3)
CA
CF1,2
A1
L72-0536 (MS3)
CA
CF1,2
A1
L72-0536 (MS3)
A
CF
YES
CF1,2
A1 IC1CF3
L72-0536
(MS3)
R15,29,
R8,
R14
36,82
11
NO 7.5K
270 3.3K
33
IC1
CF3
LA1838
YES
YES
NO
NO LA1837 YESNOYES NO F10-1128
BF
B
NO
CN2
L4-7
NO
NO
R833R11
R14
36,82
33
270
10 22 100 YES 15K 27K 4.3K
IC1CF3
L4-7
NO
LA1838YES
R15,
R14R11R8
36,82
10010NO 22 YES 27K15K
IC1CF3 CN2L4-7
YESLA1837NO YES NO
R14
R8BFR11
CF3 IC1
R8
10NO
36,82
10010NO 22
L4-7 YESLA1837NO
R14
R11
36,82
100
22
L4-7
CN2
YESYES NO
R27,
R23
R25
28
18K
W82,
W60
W56
83
NO
NO YES
R15,
NO YES
R15,
YES 27K15K
R15,
YES 27K
R27,
R23 R25
3.3KNO 18K
W82,
W60
W56CN2 YES
NO
YES
R25R23
28
W56,
W60
82,83
YES
R27,32R72,
R25R23
28
4.3K NO 3.9K
W56,
CN2 S1
W60
82,83
YES NO NO
YES
R27,
R23
R25
4.3K
15K
W56,
W60
82,83
YES
R72,
R32
74,89,90
73
YES
15K
S1
NO
R32
R29
28
YES
7.5K NO
NO 3.9K NO 180P 0.018
83
YES
F10-1129
NO
R72,R27, C8,35,
32
3.9K73NO4.3K
R29,
73
R29, R72,
28
32NO73
3.9K
E1S1
NO F10-1109X1L77-2187
C8,35,
C25
YES
470P
L77-2187F10-1108
R72,
73
8.2KYES YES
E1S1
L77-2232
77,89,90
NO 180P
L77-2232F10-1128NO
C8,35,
77,89,90
E1 X1
L77-2232F10-1128
C8,35,
77,89,90
NO
C26
0.022
X1E1A1
C8,35,
89,90
X1
X1E1S1
C25 C26
180PNO 0.018
C25
180P
C30,
0.0333122P27P
C30,
C26C25
31
0.022470P
0.022
C30, C70,71,R29,
C26C25
0.018
0.022 12P 10P31YES
C30,
31
C26
31
0.022
0.018
C43C42
C43C42
C42
C43
12P0.022 10P
C42
27P
C70,71,77,
79,80,82
NO
79,80,82
79,80,82
C43
22P
C43C42
10P12P
C70,71,
YES
C70,71,C30,
79,80,82
YES
C74
C70,71,
C77
79,80,82
YES
NO
NO
NO
YES
C74
NO
C74
NO
C74
NO
MUTING
0V
Q10
0V
Q11
0V
R75
8.2K
R76
1.8K
R77
1K
-2.2V
0V
R74 47K
MUTE ON: 0.7V OFF: -2.2V
R79 3.3K
R72R73
+15V
-14.9V
+15V
MUTE ON: 2.0V OFF: 4.6V
100P
15V
C83
4 5 3 6
CN1
15 14
13 12
11
10
9 8 7
6 5 4 3 2 1
DET S-LEVEL
SD STEREO
R
GND
L +15V
-15V
T. MUTE PLL DT PLL CLK PLL CE PLL DO CH. SPACE
X09-A/8
-CN7 2/3
A
CAUTION: For continued safety, replace safety critical components only with man­ufacturer's recommended parts (refer to parts list). indicates safety critical com­ponents. For continued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of electric shock, leakage-current or resis­tance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
The DC voltage is an actual reading measured with a high impedance type volt­meter as the AM/FM signal generator is specified to the conditions as shown in the list below. The measurement value may vary depending on the measuring instru­ments used or on the product. The value shown in ( ) is actual reading measured in the AM mode.
MODE CARRIER
FREQUENCY DEVIATION
MODULATION
ANT INPUT
FM 98MHz 1kHz STEREO 67.5kHz 7.5kHz(Pilot) 60dB AM 1000(999)kHz 400Hz MONO 30% MOD 60dB
AR-304(K,P) (1/3) KRF-A4020(M,X,T,E) (1/3) KRF-A4020E(E) (1/3) KRF-A4020W(Q) (1/3)
AR-304/KRF-A4020
Y05-3880-13
Page 12
TP QSR
REC OUT
MD/TAPE
CD
PHONO
6
5
4
3
2
J3
1
6
5
3
4
2
1
1
2
J1
L
R
J2
L
R
L
R
L
R
AUX
L
R
L
R
L
R
PLAY IN
MD/TAPE
REC OUT
TAPE2/MONITOR
PLAY IN
TAPE2/MONITOR
(BOTTOM VIEW)
CN7
CN8
(1/2)
IC1
(2/2)
IC1
PHONO EQ AMP
D28
D1
Q45
INPUT SELECTOR
(2/2)
IC4
(1/2)
IC4
+7V AVR
CN1
X05-
1/3
E.VOL
OUTPUT BUF.
220P
220K
R23
R24
R20
R25
R26
220P
C24
220P
1K
C23
220P
1K
1K
220P
1K
C25C26 C20 C19
220P
1K
1K
220K220K
R34
220K
R33
220K
R35R36 R29R30
220K
220P
220K
R27
R19
R21
R22
R92
R91
R18
220P
C22
1K
220P
1K
C21
220P 220P
1K
1K
C136 C135
220P
1K
C18
R32
220K
R31
220K 220K
R204 R203
220K 220K
R28
R17
1K
C17
13
2
1
VSS
4
3
5
TUNER
VDD
PHONO
AUX
CD
768
9
10
12
11
MD PLAY
NC
MD REC
27
28
2526242223
2021191718
14
GND
ST
CK
DATA
15
16
SOURCE
NC
SOURCE
BUF IN
26
272829
30
31
323334
24 23 22
21
20 19
18
17 16
15 14
13 12
11
10
9 8 7 6 5
4 3
2
1
807978
7776757473
727170
NC3 NC2 NC1
NC12
NC11
NC10
15 14 13 12
11 10
9 8 7 6 5 4 3 2
1
DET
S LEVEL
SD
STEREO
R ch
GND
L ch
+15V
-15V
T MUTE
PLL DT
PLL CLK
PLL CE PLL DO
CH SP
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
T MUTE
VOL DT
VOL CLK
VOL STB
PLL CE
SEL/PLL DT
SEL/PLL CLK
SEL STB
RELAY A
RELAY B
POWER
CH SP/DET
H.P. Lch
H.P. Rch
S DATA
S BUSY
PLL DO
STEREO
SD
8/16
LIMITTER
10dB ATT
A MUTE
PROT
F.OFF
FL AC
FL AC
-30V
GND
+5.6V
39P
C2
39P
C1
1K
R1
1K
R2
10u16
C3
+
10u16
+
C4
C6
47P
C5
47P
27K
R4
27K
R3
100
R6
100
R5
3 2
8
1
6
4
5
7
R9 270K R11 22K
C11 0.012 C13 3300P
47P
C9
330P
C31
47u16
C7
+
360
R7
C8
47u16
C10
47P
+
R8 360
C12 0.012 C14 3300P
R10 270K R12 22K
330P
C32
4.7u35
C124 +
4.7u35
C123 +
47K
R14
47K
R13
100
R16
100
R15
3300P
C16
3300P
C15
100P
C42
0.01
C41
3.3u50
C36
+
C40 100P
R147 1K
R146 1K
R148 1K
C106 100P
4700P
C132
C128 5600P
C130 0.82
C34 3.3u50
+
12K
R40
R38 13K
R84 220K
R50 6.8K
R74 39K
3 2
8
1
6
4
7
5
C83 100P
R199 220K
R200 220K
C84 100P
4.7u35
C116
+
4.7u35
C115
+
10 12 13
31 16 15 27 14
R141 4.7 1/4WR142 4.7 1/4W
W156
W155
30
28
29
28
30
29
1K
1K
15
27
16
15
15
16
13
23
22
181716
15
31
11
7
5
12
11
R144
R143
3
3
26
11
17
25
5
24
21
C110 10u35+C137 10u35
+
9
8
470
R183
100
R187
10u35
C108 +
1.2K
R156
100
R188
10u35
C107
+
1000P
C79
1/4W
6
5
21
S.LEVEL/
30V
30V
Q45
+7V
7V
10
W88
INPUT
25
PORT OUTPUT
MICROCOMPUTER INTERFACE
BVOL SELECT
PASS
TONE
10
T
S
N
12K
150K
150K
12K
31
4
131210
14
21
25
26
24
182017
16
R145 1K
13
100P
C105
18
12
20
C122
0.01
0.01
C121
R
L
W64
15V
+15V
+15V
+15V
15V
15V
+15V
+5.6V
15V
15V
15V
+15V
15V
15V
B
+B
+15V
+15V
+15V +15V
+15V
+15V
+15V
15V
+15V
+5.6V
IC3
IC2
(A/8)
(X09-6XXX-XX)
A
AUDIO UNIT
14.7V 0V
0V
0V
0V
0V
0V
-14.9V
14.7V
-14.9V
0V
7.3V
5.0V
8.0V
-7.6V0V
0V
0V
0V
0V
0V
0V
0V
14.7V
-14.9V
14.2V
-14.9V
1
2
3
4
5
6
7
Page 13
ZABYAA ADAC AF AHAE AG AIVXUW
Q3 Q5
Q6Q4
D42
10dB ATT A MUTE
D5
D6
Q9
Q11
Q13
Q8
Q10
Q12
Q14
Q16
Q15
Lch A CLASS
Rch A CLASS
D39D40
Q1
Q2
D35D36
Q21
Q19
Q20
Q22
D33
D9
D7
Q27
D34
D10
D8
Lch B CLASS
Rch B CLASS
LIMITER SW (SP,A+B)
FINAL COMPENSATING
Q25
Q26
Q28
IDLING (Lch)
IDLING (Rch)
CURRENT
OVER DETECTOR
D41
CN11 Lch
IDLE CONT.
CN12 Rch
CONT.
IDLE
D11D12
Q29
Q30
4
2
3
1
L
R
L
R
J4
A SP SW
B SP SW
SUB REC OUT
Q34
D31
S4
J6
SYSTEM CONTROL
J5
D2
D32
D3
Q39
Q41
Q40
D18 D23
E2
CN2
CN1
S3
S2
E3
+15V AVR
-15V AVR
Q44
Q47
Q42
D21D20
D26
D24
D25
D27
D13
D14
D16
D15
Q38
5.6V AVR
D17
D4
Q46
Q36
-30V AVR
Q35
Q33
Q32
Q31
SP .DC DETECTOR
S1
POWER SW
J8
Q37
RELAY
POWER SW
IC1 : NJM4580L-D IC2 : M62492FP IC3 : TC9164AN IC4 : NJM4565L-D
Q1,2 : DTC124ESA or
UN4212
Q7-10,25,26,31 : 2SA992(F,E)
Q32,33 : 2SC1845(F,E)
Q19,20 : TRAITR3N Q21,22 : TRAITR3P
Q36,42 : 2SB1640 Q38 : 2SC3940A Q39 : 2SD2525
D19 : S1ZB20(4101)
D22 : D4SBL20UF03 D24-27 : S5688B or
1SR139-400
D37D38
-7V AVR
D3,5-12,15-17,31,32,
1SS133
HSS104A or:37,38,41,42,514
AR-304 (X09-6310-10)
D1 : D2 :
D4,28 : D13 : D14 : D18,23 :
D20,21 :
D33,34 : D35,36 : D39,40 :
Q3-6,29,30,34,35,37,
Q44,46,47
40,41,45
:
:
WH2
WH1
DIGITAL LINE GND LINE
SIGNAL LINE
B LINE B LINE
-CN9
X09-B/8
3/3
KRF-A4020 (X09-614X-XX)
KRF-A4020E (X09-6142-70)
KRF-A4020W (X09-6143-81)
CN6
D514
D19
D22
AC IN
WH4
Q15,16
Q11-14
:
:
2SC2631(R,S)Q27,28 :
WOOFER
FRONT SPEAKERS A
SPEAKERS B
FRONT
Q7
WH3
2SC1740S(Q,R) or 2SC2785(F,E)
2SA933AS(Q,R) or 2SA1175(F,E)
MTZJ5.1(B) or RD5.1ES(B2)
RD4.7ES(B2)
MTZJ4.7(B) or
RD8.2ES(B2)
MTZJ8.2(B) or
RD6.2ES(B2)
MTZJ6.2(B) or
RD2.7ES(B2)
MTZJ2.7(B) or
RD5.6ES(B2)
MTZJ5.6(B) or
RD16ES(B2)
MTZJ16(B) or
RD15ES(B2)
MTZJ15(B) or
KRF-A4020 (X09-631X-XX)
43 44
45 46
47
48 49
50 51
52 53 54 55 56 57 58 59 60
61 62 63 64
353637
38
39
40
69
68
67
NC8
NC7
NC6
NC5
NC4
2.2K
R48
2.2K
R47
1K
R46
1K
R45
4.7u35
C37
+
2.2u50
C43
+
R175
1K2.2u50
C27
+
R43
2.7K
R55 100
100K
R41
1.2K
R133
2.7K
R44
4.7u35
C38
+
2.2u50
C28
+
1K
R176
2.2u50
C44
+
100
R56
R42
100K
R134
1.2K
100K
R172
100K
R171
47K
R52
47K
R51
680P
C46
C45 680P
C45
1K
R57
1K
R59
R581KR60
1K
120
R69
120
R70
1/4W1/4W
C59 47P
C60 47P
R65R205
C126 100P
C125 100P
100P
C55
100u10
C51
+
100P
C49
100u10
C52
+
100P
C50
10K
R153
10K
R154
R206R66
C48 0.01
0.01
C47
220
R63
1/4W
220
R67
100P
C57
1/4W
220
R64
1/4W
220 1/4W
R68
C58 100P
2P
C53
47K
R61
C54
2P
47K
R62
1K
R160
R159
1K
C129 0.82
C127 5600P
4700P
C131
C33 3.3u50
+
R39 12K
R83 220K
R73 39K
R49 6.8K
R37 13K
100P
C39
3.3u50
+
C35
W165W166
W65
5
3
4
1
2
5
2
1
3
4
3
5
4
1
2
2
5
1
4
3
1u50
C63
+
R71
VR1
220
R81
47 1/4W
R75
47 1/4W
100
R79
3.9K 1/4W
R89
910
R85
100
R77
3.9K
R93
1/4W
C69 0.01
R95 910
1u50
C64
+
100
R80
R82
47 1/4W
R72
220
VR2
100
R78
Q25,26
R90
3.9K 1/4W
910
R86 R94
3.9K
1/4W
910
0.01
C70
R96
R76
47 1/4W
Q27,28
0.22
C67
C65 10 2W
R207
47K
R97
W167
L1
W169
R99
10 1/4W
W170
47K
R98
10 2W
R208
C66
L2
10 1/4W
R100
0.22
C68
W168
1
2
1
2
K2
K3
4.7K
R103
47K
R104
R106
47K
R105
4.7K
4700P
C71
4700P
C72
4700P
C73
C74
4700P
0.47u50
C133
R1501KR149
100
1K
R184
1000P
C75
R151
47u10
C114
+
47K
R137
10K
R136
100u16
C102
+
22u16
C118
+
100
R165
470
R101
SL16XS8
22
23
SBUSY
SDATA
11
24K
R157
2.2K
R158
10K
R132
220u10
C101
+
10K
R131
12K
R129
4.7u35
C100
+
47K
R130
470
R102
7
P2
220
R120
1000P
C117
47u35
C92
+
10K
R125
1 2 3 4 5 6 7 8 9
10
11 12 13 14 15
1
2
3
4
5
6
1
2
3
4
5
6
1
2
2
1
2 1
1
2
1
3
2
4
5
15
13
14
11 12
9
10
1
7 8
5 6
3 4
2
1K
R124
10K
R122
470u35
C95
+
1000u35
C93
+
47u35
C94
+
1000P
C119
2.2K
R128
2.2K
R127
15K
R126
16K
R121
220
R123
2W
100u16
C91
+
4.7 1/4W
R117
1K
R115
10u35
C86
+
10u35
+
C85
10K
R116
+
+
C90 C89
100u25 100u25
3.9K
R110
100
R170
1 1/4W
R168
10u35
C80
+
330u35
C81
+
2.2K 1/4W
R111
4.7u35
C82
+
T1
W4
HOT
COLD
WW
CN18
F3
CN17
W6
4.7K
R112
47K
R113
18
17
22u25
C104
R155
22K
R140
47K
R138
22K
R135
22K
1u50
C103
+
8 9
10u35 +
R182
100
R167
C120
1/4W
1.2K
1000P
C134
W1
W2
CN16
F1
CN15
CN14
F2
CN13
22K
R173
4 5
21
CN20F5CN19
CN5 CN4
F4
K1
W3
3.3M
R114
1/2W
30V
30V 30V
30V
Q46
7V7V7V
7V
UNIT No.
0-10
CANADA
DESTINATION
COUNTRY
U.S.A.
ABB.
K P
R53,
54
200
R65,66,
YES8.2K
205,206
C97
+
C96
+
51K
R164
51K
R163
51K
R186
P1
10
2
1
R99, 100
NO
R151,
20K
152
C1,2,17-26,31,32,
NO
67,68,71-74,135,136
C65,
0.1
66
C96,
4700u75
97
C125,
YES
126
NO
W1,2,64,155, 156,165,166
YES
W3,4,6,65,88,
167-170
NO
CN2,6,13, 14,17,18
NO
WH1,2
YES
WH3
NO
L1,2
NO
S1, 2,3
YES
P1
L07-2127-05T1E03-0148-05
J8
B
+B
CANADA
COUNTRY
P
U.S.A.
ABB.
K
DESTINATION
MTZJ18(B) or
RD18ES(B2)
D35,36 D39,40
D33,
34
F50-0076-05F1NO
F2,3
F50-0066-05
F4,5
C65,
66
0.22
COUNTRY
DESTINATION
R99, 100
NO
0-21
8.2K200
UNIT No.
ABB.
205,206
R65,66,R53,
54
NO
20K NO
71-74,135,136
C1,2,17-26,31,32,R151,
R114
152
4700u75 YES
C96,97C125,
126
NO
WH2 WH3
S2,
3
L1,2
NO
E03-0149-05
P1
T1 J8
GENERAL MARKET
AUSTRALIA
EUROPE
U.K.
E
T
X
M
0-71 0-51 2-70
270 6.8K YES 15K YES NO4700u63
YES
W1 NONOYES
NO
W3,4,
167,168
NO
YES
W6
W65,88, 169,170
YES
NO
NO
YES
W64,155, 165,166
CN2
13,14
CN6,
NO
YES
YES
YES
CN17,
18
NO
WH1
YES
NO
YES NO
YES
YES
YES
S1
NO
YES
L07-2569-05
L07-2568-05
E03-0325-09 E03-0310-09 E03-0149-05EUROPE
AUSTRALIA
U.K.
E
T
X
GENERAL MARKET
COUNTRY
DESTINATION
ABB.
M
34
MTZJ18(B) or
D33,
D39,40D35,36
F05-2525-05 F05-6313-05
F1
F4,5
HZS18N(B2)
MTZJ15(B) or
HZS15N(B2)
MTZJ20(B) or
HZS20N(B2)
F05-2525-05
F2
F05-2525-05
F3
NO
NO
0.22
66
C65,
DESTINATION
COUNTRY
EUROPE
EUROPE
E1
YES
ABB.
2-70E1 6.8K270 NO 15K YES
DESTINATION
COUNTRY
100,209
R99,
UNIT No.
ABB.
R53, R65,66,
205,206
54
C1,2,17-26,31,32,
67,68,71-74,135,136
R151,
R114
152
YES
HZS20N(B2)HZS15N(B2)
MTZJ15(B) or
4700u63 NO NO
D33,
MTZJ20(B) or
34
D35,36 D39,40
YES NO
F05-2525-05
YES NO YESYES NO
NO
F1 F2
E03-0149-05L07-2569-05
NO
F05-6313-05
F4,5
17,18
CN2,C125,C96,
97 126
W2,3,4,6,65,88,
156,167-170165,166
W1,64,155, CN6,
13,14
WH2
S2,
S1
L1,2
3
P1
T1 J8
3
WH1,
0.22
C65,
66
DESTINATION
RUSSIA
COUNTRYQABB.
RUSSIA
COUNTRY
DESTINATION
YES
R99,
100,209
UNIT No.
Q
3-81
ABB.
6.8K270
205,206
R65,66,
54
R53,
67,68,71-74,135,136
C1,2,17-26,31,32,
NO 15K
R151,
R114
152
YES
D33,
MTZJ15(B) or
HZS15N(B2) HZS20N(B2)
MTZJ20(B) or
34
D35,36 D39,40
F05-2525-05 F05-6313-05NO
F1
F2,3 F4,5
156,167-170
W2,3,4,6,65,88,
4700u63 NO
97
C96,
126
C125,
NOYES
165,166
W1,6,64,155,
NOYES
CN6,13,
14,17,18
YESNOYES
WH2
WH1,
3
L1,2
E03-0149-05L07-2569-05
NONOYES
S2,
3
S1 P1
T1 J8
CN2
R53
R54
R152
RED
BRN
YEL
BLU
WHT
41 42
66
65
INPUT
SURROUND BLOCK
0.01
C29
150K
150K
12K
12K
SELECT
BVOL
T N S
10
PASS
TONE
100
R118
100
R119
1/4W
1/4W
C88 47u100
+
C87 10u100
+
100
R109
6
15
16
560 1/4W
R209
R114,
209
YES
R209
NO
1K
R139
1K
R181
100P
C56
C78 100u16
+
C111
0.22
0.01
C98
C99
0.01
(K,P)
(M) (Q)
(X)
(T,E)
: AC120V 60Hz : AC110-120V/220-240V~
50/60Hz : AC220V~ 50Hz : AC240V~ 50Hz : AC230V~ 50Hz
0.01
C113
0.01
C112
220P
C77
220P
C76
YES
Q1,2
YES
C67,
68
W2,
156
NO
YES
Q1,2
NO
Q1,2
NO
NO NO
Q1,2
2SC2631(R,S)
Q11-14
2SA1123(R,S)
Q15,16
2SA1123(R,S)2SC2631(R,S)
Q15,16
Q11-14
2SA992(F,E)2SC1845(F,E)
Q11-14
Q15,16
2SC1845(F,E) 2SA992(F,E)
2SA992(F,E)
Q11-14
2SC1845(F,E)
Q15,16
F05-2525-05
F3
100P
C30
HZS13N(B2)
MTZJ13(B) or
MTZJ13(B) or
RD13ES(B2)
YES
NO
YES
220
R71,
72
220
150
R71,
72
150
72
R71,
150
R71,
72
F50-0100-05
U.K.
EUROPETE
ABB.COUNTRY
DESTINATION
Q1,2
MTZJ20(B) or
RD20ES(B2)
MTZJ15(B) or
RD15ES(B2)
NO NO
D35,36
34
D33,
D39,40
2SA992(F,E)2SC1845(F,E)
Q11-14
Q15,16
F1
UNIT No.
ABB.COUNTRY
U.K.
EUROPETE
DESTINATION
205,206
270
0-51 2-71
6.8K NOYES150
R65,66,
54
R53,
100,209
R99,
72
R71,
R114
67,68,71-74,135,136
15K 0.22YES
C1,2,17-26,31,32,
152
R151,
66
C65,
F50-0094-05
F4,5
F50-0100-05
NO
F2NOF3
L07-2129-05
E03-0310-09 E03-0149-05
T1 J8
CN17,
NO YES
156,167-170
4700u63 NO NO
C96,
97 126
C125, W2-4,65,88,
13,14165,166
YES
NO
YES
YES NO
W1,64,155,
W6 CN2
CN6,
YES NO YESYES NO
18
WH1,3
WH2 S1
L1,2
3
S2,
NO
P1
+5.6V
15V
15V
+15V
+15V
+5.6V
15V
+B
+B +B +B
BB
+15V
15V
+5.6V
+15V +15V
15V
BB
+B
+B +B
B
B
BB+BB
+B
+5.6V
15V
+15V+15V
15V
15V
15V
+15V
+5.6V
15V
+B
+15V +B
+B
+B
+B
15V
+5.6V
+B
+B
+B
+B +B
B
+B
B
+B
B
B
+B
B
+B
+B
(X09- ) (F/8)
(X09- ) (H/8)
(X09- ) (D/8)
(X09- ) (E/8)
(A/8)
(X09-6XXX-XX)
B
AR-304(K,P) (2/3) KRF-A4020(M,X,T,E) (2/3) KRF-A4020E(E) (2/3) KRF-A4020W(Q) (2/3)
0V
-14.9V
-8.2V
0V
0V
0V 0V
0V
0V
0V
0V
14.7V
58.0V
0V
58.3V
58.0V
POWER ON: 14.5V
STANDBY: 0.6V
14.5V
13.9V
14.7V
0.6V
0V
-55.6V
12.8V
-56.0V
57.0V
1.3V
56.5V
-56.0V
12.8V
1.3V
57.0V
56.5V
0.6V
-55.6V
0V
OFF: -2.8V
ON: 2.1V
A MUTE
58.3V
0V
-1.6V
0.9V
:0.7V
A+B
SP.B or
SP.A or
:0.7V
A+B
-1.3V
-58.3V
0.9V
-1.3V
-1.6V
0V
58.3V
58.0V
58.3V
-58.3V
15.2V
15.72V
14.0V
21.5V
14.7V
-22.4V
-15.4V
-0.6V
-14.9V
-58.3V
-31.0V
-31.6V
5.5V
6.1V
10.8V
ON: 0.7V
POWER
CAUTION: For continued safety, replace safety critical components only with manufactur­er's recommended parts (refer to parts list). indicates safety critical components. For con­tinued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be car­ried out (exposed parts are acceptably insulated from the supply circuit) before the appli­ance is returned to the customer.
The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input. The measurement value may vary depending on the measuring instruments used or on the product.
Y05-3880-13
AR-304/KRF-A4020
Page 14
SP. A B MUTE
R D S EON FM
TI.VOL AM
MW LW
S.DIRECT TAPE2/MONI
TA NEWS TP PTY MEMO STEREO
TUNED
AUTO MHz kHz
34
323335
30
31
29
272526
28
23
24
21
22
20
181917
1614151213
11
9
786
5
4
2
3
10
NP
F1
F1110G8G9G5G6G7G4G3G2G
1G
P7P6P9
P8
P15
P13
P12
P14
P10
P11
P16NPF2
F2
G7
PLL DO
33
98
1
G9
P5/KS1
80
34
STEREO
G6
97
35
SD
G5
96
36
RCV CE
G4
95
37
AVSS
G3
94
38
RST
G2
9339
EXTAL G1
92
40
XTAL
91
41
VSS
P16
90
42
TX
VDD
89
43
TEX
P15
88
44
VDD
P14
87
45
VFDP
P13
86
46
SEL STB
P12
85
47
SEL/PLL DT
P11
84
48
SEL/PLL CLK
P10
83
79
P4/KS2
G10
2
78
P3/KS3
NC
3
77
P2/KS4
RDS CLK
4
76
P1/KS5
RDS DATA
5
75
KS6
6
74
KS7
(VOL) ENC1 CW1
7
73
S.W MUTE
REM IN
8
72
CCW1
9
71
LIMITTER
10
70
11
69
KR0
12
68
KR1
13
67
KR2
14
66
STANDBY
PROTECTION
15
65
S DATA
16
64
POWER
S BUSY
17
63
E2 DATA
18
62
E2 CLK
19
61
RELAY B (SEL) ENC2 CW2
20
60
RELAY A CCW2
21
59
(MLT) ENC3 CW3
22
58
CCW3
23
57
8/16
24
84
8385868887
90
91
81
82
P9
P6/KS0 81
82
100
G8
T MUTE
PLL CE
49
50
31
32
51
54
52
53
55
56
A MUTE
10dB ATT
VOL DT
VOL STB VOL CLK
30
27
AV REF
S LEVEL
29
28
26
25
99
GND
IN OUT
97
93
9594969998
100
100
99
989796
95
94
74
75
81
80
79
R552 1K0.01
C507
C509 100u10
+
0.01
C514 R568
10K
C517 1u50
R536
1K
C534
0.047F
+
+
470u6.3
+
C535
R574
1K
10K
R577
R582
1K
+
1u50
C525
100K
R573
220
R575
R576
220 10K
R581
5.5
R549 330
100K
100K
R548
R550 100K
R551
R547 100K
330
8
VCC
VSS
CPE
7
A2
SDA SCL
6
A0
A1
5
1
2
3
4
R542 470 R543 470 R544 470
0.01
C513
0.01
C520
10K
R567
R572
10K
C519
0.01
C512
0.01
R571
R566
10K
10K
C518
0.01
C511
0.01
R565
R570
10K
10K
VCC
GND
ROUT
R579 470 1/4W
C526 100u6.3
+
(VOL) ENC1
HP. L HP. R
GND
C62
100P
C61
100P
3
P3
1 2
1 2
3
4
1 2
3
4
P8
P7
NC
NC NC
col
Dp
P2P1P5
P4P3NXNXNX
7693777880
79
83818286858487
889190
92
a
bf
ec
d
r
p
n
k
j
h
g
m
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
T MUTE
VOL DT
VOL CLK
VOL STB
PLL CE
SEL/PLL DT
SEL/PLL CLK
SEL STB
RELAY A
RELAY B
POWER
CH SP/DET
H.P.Lch
H.P. Rch
S DATA
S BUSY
PLL DO
STEREO
SD
8/16
S. LEVEL/
10dB ATT
A MUTE
PROT
F.OFF
FL AC
FL AC
-30V
GND
+5.6V
NC
R503 10K
60
61
64
R505 10K R506 10K R507 10K
R508 4.7K
R510 4.7K
R511 4.7K
R512 2.2K
R513 2.2K
R514 2.2K
R515 10K
46
47
48
49
50
R531 100
R532 100
R534 100
R533 100
47
49
50
46
48
R539
16
15
0.01
0.01
R528 100
R525 100
R524 100
CP1 10K 6
C504
C531
1M
R169
1000P
C109
8MHz
X501
0.01
C502
R502
10K
R509 100
R586 1K
R540 100K
C533 1000P
C532 1000P R527 10K
R556 10K
R538 1K
C505 0.01
W145
W70
C506
1000P
10K
R545
10K
R546
100P
C521
1/4W
1/4W
34
33
35
6
1000P
C503
7
11
R530
47K
47K
R529
W160
W28
100
R541
220
R563
220
R558
220
R561
220
R559
20
21
220
R562
220
R560
22
23
20
23
22
21
92
1
1 2
3
4 5 6
7 8
QUAL RDDA
VREF
MUX VDDA VSSA
CIN SCOUT
16 15
14
13 12 11 10 9
RDCL
T57
OSCO
OSCI VDD0 VSSD TEST
MODE
R569 47K R564 220
C516 2.2u50
+
4 5
5
L501 1uH
330P
C510
10uH
L502
C515 560P
4
R578 220
2.2K
R580
18P
C528
47P
C527
X502
C524
0.01
R537
1
CP2 10K 3
13
12
14
1000P
C508
79
80
767778
76 75 74
78 77
80 79
81
78
77
76
14
13
12
R516
1K
2
22K
R583
100K
R521
10K
R504
1
35
64
61
60
LIMITTER
2
3
1 2
E1
30V30V
30V
30V30V30V30V
30V 30V
1
2 3
W115
W114
B
+B
U.K.
EUROPE
AUSTRALIA
2-70
0-51
0-71
E
X T
GENERAL MARKET
DESTINATION
COUNTRY
U.S.A.
COUNTRY
DESTINATION
CANADA
UNIT No.
0-21
M
ABB.
0-10
P
K
NO YES
UNIT No.
ABB.
556
R503,
NO NO YES NO
509,583
R504,
P.CALL
NO
507,510
D503-505,
A
115,160
YES
W114,
S505
DIMMER
S511
P.CALL
S513
NO
Q502
CXP82832-162Q
IC51
R504,
556
NO YES
A
R503,
W72
583
YES
NO
NO
C534
115,160
YES DIMMER
W114,
S505
P.CALL P.CALL
S511 S513
CXP82832-162Q
IC51
YES NO
YES YES
NO
NO PTY
(RDS)
DISPLAY
TA/
NEWS
NO
D503
YES
NO
YES
D504
YES
NO
D505
NO
NO
D507
YES
D510
NO
YES
Q502
CXP82840-163Q
COUNTRY
DESTINATION
EUROPE NO2-70E1 YES NO NO PTY
UNIT No.
ABB.
R503,504,
A
556,583
W72,114, 115,160
S505
DISPLAY
(RDS)
NEWS
TA/
NO YES NO
S511 S513
Q502
CXP82840-163Q
IC51
D503,
504,507
510
D505,
CXP82840-163Q
RUSSIA
DESTINATION
COUNTRY
556,583
R503,504,
3-81
UNIT No.
Q
ABB.
NOYES
A
NO
W72,114, 115,160
NO PTY
(RDS)
DISPLAY
S505 S511
Q502
D504,
507,510
YESNO
TA/
NEWS
D503,
505
S513
NO
IC51
1
16
15
333435
11
7
6
35
1
W72
W28,
72,145
W28, 145
NO
YES
YES
145
W28,
W28,
YES
145
330
R585
C529
100P
390 2W
R107
R108
390 2W
100u10
C523
+
C522 0.01
R557
10K
4.332MHz
R509
YES
NO
C529
NO
YES
YES
NO
YES
R509
YES
R509
C530
100P
100P
C536
100P
C537
535-537
C529,
530,533,534
C503,521,
533,534
YES
C503,521,
533,534,536,537
YES
C503,521,530,
C529,530,
535-537
C529,
535
C530,
535-537
C503
521,533
2-71EEUROPE
R509
DESTINATION
U.K.
COUNTRY
A
UNIT No.
YES
T 0-51
ABB.
NO
556,583
R503,504,
535-537
NOYESYES
533,534
YES
145
C529,530,C503,521, W28,
S513S505 S511
NO PTY
115,160
(RDS)
DISPLAY
TA/
NEWS
W72,114,
Q502
NO YES NO
IC51
CXP82840-163Q
D503,
504,507
510
D505,
+5.6V
+5.6V
+5.6V +5.6V
+5.6V
+5.6V
+5.6V
+B
+B
+B +B
+B +B +B
+B
+B
+B
+B+B
+5.6V
+B
+B
+5.6V
+B
+B
+B
+B
+B
+B +B
+B +B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+5.6V
+B
+B
+B
+B
+B
(
)
(
)
(
)
ED51
IC51
IC53
IC52
(X09- ) (C/8)
(X09- ) (G/8)
IC54

DISPLAY UNIT (X09-6XXX-XX) (B/8)

B
AR-304(K,P) (3/3) KRF-A4020(M,X,T,E) (3/3) KRF-A4020E(E) (3/3) KRF-A4020W(Q) (3/3)
u-COM
BAND
S505
S511
S513
S504 S503
SP.A
S512
SP.B
S501
S509
SOUND
S510 S502 S506
S515 S514
BALANCE
S507
D513
D512
D520
D521
D519
Q503
D526
D508
RESET
RESET IC
D511
D517
D516
D515
D509
D523
E2PROM
S518S517
S516
REMOTE
BASS
BOOST
MONITORAUTO
MEMORY
STANDBY
POWER I / ON/STANDBY
S508
D527
A501
WH52
CN10
HEADPHONE
J7
CN9
D530
D528
D518
D529
D524
D522
D507
D504 D505
D510
D503
Q502
Q501
CURRENT BUFFER
RDS DEMODULATOR
WH51
-CN8
X09-A/8
2/3
MUTE
S.DIRECT
IC52 : X24C02 IC53 : S-806D-Z IC54 : SAA6579/R
Q501,503 : Q502 :
D503-505,507-513,515-524,
: HSS104A or
1SS133
D526 : D527 : B30-2513-05
IC51 :
DIGITAL LINE GND LINE
SIGNAL LINE
B LINE B LINE
KRF-A4020W (X09-6143-81)
KRF-A4020E (X09-6142-70)
KRF-A4020 (X09-614X-XX)
AR-304 (X09-6310-10)
2SA933AS(Q,R) or 2SA1309A(Q,R)
A
(9G-2G)
10G 9G 8G 7G 6G 5G 4G 3G 2G 1G
528-530
or
P.CALL
P.CALL
DISPLAY
PTY
TA/
(RDS)
NEWS
DIMMER
or
or
2SC1740S(Q,R) or
MTZJ5.1(B) or
2SC2785(F,E)
RD5.1ES(B2)
KRF-A4020 (X09-631X-XX)
(BOTTOM VIEW)
-14.7V
-17.8V
-18.0V
-21.2V
-24.5V
-24.5V
-24.5V
4.6V
-11.6V
-31.0V
-27.8V
-28.0V
-28.0V
-28.0V
-28.0V
-28.0V
-28.0V
-28.0V
-17.5V
-30.5V
-30.5V
-27.0V
-14.1V
-24.1V
-18.9V
0V
STANDBY: 3.9V
4.6V
0V 0V
4.6V
2.7V
0V
0V
0V
0V
0V
4.8V
0.8V
5.1V
4.4V
4.5V
4.8V
0V
4.8V
4.8V
4.8V
4.8V
4.8V
0V
0V
0V
0V
1.0V
0V
0V
0V
4.8V
4.6V
4.6V
4.8V
-28.0V
(P1)
(P14)
(P5)
(P9)
(P6)
(P10)
(P3)
(P4)(P2)
(P12)
(P13)(P11)
(P7)(P8)
P1
P2
P3
P4
P5
P6 P7
P8
P11
P9
P10
P12
P13
P15 P15 P15 P15 P15
P15
P16
P11
P12
P13
P14
P15
4.9V
-28.0V
-28.0V
2.3V
1.9V
1.8V
-25.3V
-25.3V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
4.9V
4.6V
5.1V
5.1V
-31.0V
5.5V
4.9V
4.8V
XS8: 0.4V SL16: 4.9V
4.6V
4.6V
MUTE ON: 4.3V OFF: -2.3V
OFF: 4.6V
ON: 2.0V
SP.B: 4.6V
SP.A: 4.6V
-17.5V
-28.0V
4.6V
AU AV AW AXAJ AK AM AO AQAL AN AP AR AS AT
1
2
3
4
5
6
7
2SA1123 2SA992
2SA1175 2SC2785
DTC124ESA
2SC1740S 2SC1845 2SC2631 2SC3940A
2SC4081 2SD1757K
DA204U
UN4212
TRAITR3N TRAITR3P
LC72131
NJM4580L-D
X24C02 SAA6579/R
NJM4565L-D
2SA1309A
CAUTION: For continued safety, replace safety critical components only with manufactur­er's recommended parts (refer to parts list). indicates safety critical components. For con­tinued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be car­ried out (exposed parts are acceptably insulated from the supply circuit) before the appli­ance is returned to the customer.
The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input. The measurement value may vary depending on the measuring instruments used or on the product.
AR-304/KRF-A4020
Y05-3880-13
2SA1586 2SC4116 2SD1819A
LA1837 LA1838
Page 15
Fx2
Fx2
F
Ax2
Ax2
D
Bx4
D
F
G
F
X09 (G/8)
X05-498/505
J 7
PHONES
J 1
ANTENNA
S 1
DE-ENPHASIS
CHANNEL
SPA CE
AR-304/KRF-A4020
F
F
Fx2
Fx2
Fx2
Fx2
Fx4
F
Ex2
E
E
Ex2
Ex2
CD/AUX
MD/TAPE
SWITCHD
TOTAL
150W MAX.
PHONO
J 2J 1 J 4 J 6 S 4 J 5 J 8J 3
SUB WOOFER
REC OUT
ED51
POWER
S 1
Cx2
756
751
Cx2
Cx7
Ex3
X09 (F/8)
X09 (C/8)
X09 (B/8)
X09 (D/8)
S508
ON/STANDBY
A501
REMOTE
S505
DIMMER
S511
P.CALL P.CALL
S513 S504
BAND
S510
AUTO
S515
MEMORY
S512
SPEAKERS
S501 S507
MUTE
BASS
BOOST
S509
TAPE 2
MONITOR
S506 S503
SOURCE
DIRECT
S514
SOUNDBALANCE
S502 S518
MALTI
CONTROL
S517
INPUT
SELECTOR
S516
VOLUME
CONTROL
AC110­120V~
AC220­ 240V~
AC110­120V~
AC220­ 240V~
X09 (H/8)
X09-614/631 (A/8)
S 2
S 3
A B C D E F G
M4x8 ø3x14 (HEX.) ø2.6x8(BLK) ø3x6 (BLK) ø3x8 (BLK) ø3x8 ø3x23
: N09-1966-05 : N09-3139-05 : N82-2608-45 : N89-3006-45 : N88-3008-45 : N89-3008-46 : N89-3023-46
SPEAKERS
SYSTEM
CONTROL
AB
PLAY IN
REC OUT
Fx2
Fx2
SL16 XS8
E
E
756
703
755
756
707
756
732
757
756
756
606
602
601
617
650
605
613
612
636
611
639
628x2
628x2
623x2
619
638
637
640
640
630
649
Fx2
704
619
618
633
731
629
645
(A/2)
(B/2)
Parts with exploded numbers larger than 700 are not supplied.
A
B
C
1
2

EXPLODED VIEW (UNIT)

AR-304/KRF-A4020
21
Page 16
22
AR-304/KRF-A4020
New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert.
Add-
New
Ref. No
ress
Parts
Parts No. Description
nation
Desti-
1
Re-
marks

AR-304/KRF-A4020/A4020E/A4020W

601 1A A01-3533-01 METALLIC CABINET 602 1A A09-1123-08 BATTERY COVER 605 2A A60-1584-01 PANEL KP 605 2A A60-1585-01 PANEL MX 605 2A A60-1586-01 PANEL Q
605 2A A60-1599-01 PANEL ETE1 606 1A A70-1266-05 REMOTE CONTROLLER (RC-R0709) KPMX 606 1A A70-1267-05 REMOTE CONTROLLER (RC-R0708) ETQE1
611 2A B10-3475-02 FRONT GLASS 612 2A B12-0334-14 INDICATOR 613 2A B43-0302-04 KENWOOD BADGE
- B46-0096-53 WARRANTY CARD X
- B46-0197-00 QUESTIONNAIRE CARD K
- B46-0310-03 WARRANTY CARD ETQE1
- B46-0330-03 WARRANTY CARD K
- B46-0336-03 WARRANTY CARD P
- B58-0945-03 CAUTION CARD T
- B58-0964-13 CAUTION CARD (UL) K
- B58-0965-13 CAUTION CARD (T,XtypePL) TX
- B58-0966-13 CAUTION CARD (ELMtypePL) EM
- B58-0967-03 CAUTION CARD (PtypePL) P
- B58-1526-03 CAUTION CARD (P4,ORI,A4,1(Q) Q
- B58-1607-03 CAUTION CARD E1
- B60-4123-00 INSTRUCTION MANUAL (EN) KPMX
- B60-4124-00 INSTRUCTION MANUAL (FR) P
- B60-4125-00 INSTRUCTION MANUAL (ES/TC) M
- B60-4126-00 INSTRUCTION MANUAL (FR/NE) E
- B60-4127-00 INSTRUCTION MANUAL (IT/ES) E
- B60-4128-00 INSTRUCTION MANUAL (GE) E
- B60-4129-00 INSTRUCTION MANUAL (EN) TQE1
- B60-4130-00 INSTRUCTION MANUAL (PL) E1
- B60-4131-00 INSTRUCTION MANUAL (HU/CZ) E1
- B60-4143-00 INSTRUCTION MANUAL (RU) Q 617 1A E03-0115-05 AC PLUG ADAPTER M
618 1C E30-2592-15 AC POWER CORD M 618 1C E30-2717-05 AC POWER CORD X 618 1C E30-2721-05 AC POWER CORD T 618 1C E30-2842-05 AC POWER CORD EQE1
618 1C E30-2909-05 AC POWER CORD KP 619
623 2C G11-2415-04 CUSHION
- H10-7554-02 POLYSTYRENE FOAMED FIXTURE
- H10-7555-02 POLYSTYRENE FOAMED FIXTURE
- H25-0232-04 PROTECTION BAG (235X350X0.03) EQE1
- H25-0232-04 PROTECTION BAG (235X350X0.03) KPMX
- H25-0391-04 PROTECTION BAG
- H25-0651-04 PROTECTION BAG T
- H50-3218-14 ITEM CARTON CASE KP
- H50-3219-04 ITEM CARTON CASE M
- H50-3221-04 ITEM CARTON CASE Q
- H50-3222-04 ITEM CARTON CASE E1
L : Scandinavia K : USA P : Canada R : Mexico C : China I :Malaysia Y : PX(Far East, Hawaii) T : Europe E : Europe G : Germany V : China(Shanghai) Y : AAFES(Europe) X : Australia Q : Russia H : Korea M :Other Areas indicates safety critical components.
1C, 2B
E35-2262-05 FLAT CABLE
New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert.
Ref. No
- H50-3256-04 ITEM CARTON CASE ETX 628 2C J02-1167-03 FOOT ETQE1
628 2C J02-1167-03 FOOT MX 628 2C J02-1405-03 FOOT (D=46,H=14.5,T) KP 629 1B J19-5787-04 UNIT HOLDER KP 630 1A J19-3645-05 ANTENNA STAND
633 1C J42-0083-05 POWER CORD BUSHING
- J61-0307-05 WIRE BAND 636 2A K27-2185-04 KNOB (POWER) ETQE1
636 2A K27-2185-04 KNOB (POWER) MX 637 2A K29-6880-04 KNOB (VOLUME CONTROL) KP 637 2A K29-7306-14 KNOB (VOLUME CONTROL) ETQE1 637 2A K29-7306-14 KNOB (VOLUME CONTROL) MX
638 2A K29-6881-04 KNOB (MULTI/INPUT CONTROL) KP 638 2A K29-7307-14 KNOB (MULTI/INPUT CONTROL) ETQE1 638 2A K29-7307-14 KNOB (MULTI/INPUT CONTROL) MX 639 2A K29-6898-03 KNOB (TUNER) KP 639 2A K29-6899-13 KNOB (TUNER) ETQE1
639 2A K29-7310-03 KNOB (TUNER) MX 640 2A K29-6939-12 KNOB KP 640 2A K29-7365-12 KNOB ETQE1 640 2A K29-7365-12 KNOB MX
645 1B L07-2637-05 POWER TRANSFORMER KP 645 1B L07-2639-05 POWER TRANSFORMER M 645 1B L07-2691-05 POWER TRANSFORMER X 645 1B L07-2692-05 POWER TRANSFORMER Q 645 1B L07-2707-05 POWER TRANSFORMER ETE1
649 1A T90-0833-05 LOOP ANTENNA 650 1A T90-0836-05 LEAD WIRE ANTENNA
Add-
ress
New
Parts No. Description
Parts
nation
Desti-
2
Re-
marks

TUNER UNIT (X05-498X-XX)

C42 CC73FCH1H120J CHIP C 12PF J C43 CC73FCH1H100D CHIP C 10PF D
X1 L77-2232-05 CRYSTAL RESONATOR

TUNER UNIT (X05-505X-XX)

C1 CK73FB1H223K CHIP C 0.022UF K C2 CK73FB1H103K CHIP C 0.010UF K ETQE1 C3 CK73FB1H103K CHIP C 0.010UF K C5, 6 CK73FB1H103K CHIP C 0.010UF K C7 CE04LW1C470M ELECTRO 47UF 16WV
C8 CK73EB1H103K CHIP C 0.010UF K KPMX C10 CE04LW1C470M ELECTRO 47UF 16WV C11, 12 CK73FB1H473K CHIP C 0.047UF K C14 CE04LW1C100M ELECTRO 10UF 16WV C15 CE04LW1H010M ELECTRO 1.0UF 50WV
C16 C90-3251-05 ELECTRO 0.47UF 50WV C17 CE04LW1H010M ELECTRO 1.0UF 50WV C18 CC73FCH1H470J CHIP C 47PF J C19 C90-3217-05 ELECTRO 10UF 10WV C20 CK73FB1H473K CHIP C 0.047UF K
C21 C90-3241-05 ELECTRO 3.3UF 35WV C22 CK73FB1H473K CHIP C 0.047UF K C23 CE04LW1C100M ELECTRO 10UF 16WV
L : Scandinavia K : USA P : Canada R : Mexico C : China I :Malaysia Y : PX(Far East, Hawaii) T : Europe E : Europe G : Germany V : China(Shanghai) Y : AAFES(Europe) X : Australia Q : Russia H : Korea M :Other Areas indicates safety critical components.

PARTS LIST

Page 17
New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert.
Add-
New
Ref. No
C24 CK73FB1H331K CHIP C 330PF K C25 CC73FCH1H181J CHIP C 180PF J ETQE1 C25 CC73FCH1H471J CHIP C 470PF J KPMX C26 CK73FB1H183K CHIP C 0.018UF K ETQE1 C26 CK73FB1H223K CHIP C 0.022UF K KPMX
C27 CE04HW1E4R7M NP-ELEC 4.7UF 25WV C28, 29 CE04LW1H2R2M ELECTRO 2.2UF 50WV C30, 31 CK73FB1H223K CHIP C 0.022UF K ETQE1 C30, 31 CK73FB1H223K CHIP C 0.022UF K MX C30, 31 CK73FB1H333K CHIP C 0.033UF K KP
C32 CE04LW1V4R7M ELECTRO 4.7UF 35WV C33, 34 CK73FB1H103K CHIP C 0.010UF K M C35 CK73FB1H332K CHIP C 3300PF K KPMX C36 CK73FB1H103K CHIP C 0.010UF K C37, 38 CE04LW1C100M ELECTRO 10UF 16WV
C39 CC73FCH1H060D CHIP C 6.0PF D C40 CC73FCH1H020C CHIP C 2.0PF C C41 CC73FCH1H220J CHIP C 22PF J C42 CC73FCH1H270J CHIP C 27PF J C43 CC73FCH1H220J CHIP C 22PF J
C44 CK73FB1H471K CHIP C 470PF K C45 CC73FCH1H220J CHIP C 22PF J C46 CE04LW1C100M ELECTRO 10UF 16WV C47 CK73FB1H102K CHIP C 1000PF K C48 CE04LW1C470M ELECTRO 47UF 16WV
C49 CE04LW1H2R2M ELECTRO 2.2UF 50WV C50 CC73FSL1H101J CHIP C 100PF J C51 CK73FB1H471K CHIP C 470PF K C52 CC73FSL1H101J CHIP C 100PF J C70, 71 CK73FB1H822K CHIP C 8200PF K ETQE1
C72 CE04LW1H010M ELECTRO 1.0UF 50WV C73 CE04LW1C470M ELECTRO 47UF 16WV C74 CK73FB1H102K CHIP C 1000PF K KP C75 CC73FCH1H040C CHIP C 4.0PF C C76 CC73FCH1H470J CHIP C 47PF J
C77 CC73FSL1H101J CHIP C 100PF J M C78 CK73FB1H223K CHIP C 0.022UF K C79, 80 CK73FB1H472K CHIP C 4700PF K ETQE1 C81 CK73FF1C105Z CHIP C 1.0UF Z C82 CK73FB1H103K CHIP C 0.010UF K ETQE1
C83 CC73FSL1H101J CHIP C 100PF J C84, 85 CK73FB1H223K CHIP C 0.022UF K C86 CK73FB1H471K CHIP C 470PF K C88 CK73FB1H332K CHIP C 3300PF K C89, 90 CK73FB1H472K CHIP C 4700PF K KPMX
C91 CK73FF1C105Z CHIP C 1.0UF Z CN1 E40-9831-05 SOCKET FOR PIN ASSY
CN2 E40-4871-05 PIN ASSY ETQE1 J1 E70-0080-05 LOCK TERMINAL BOARD
CF1, 2 L72-0531-05 CERAMIC FILTER MX CF1, 2 L72-0536-05 CERAMIC FILTER ETQE1 CF1, 2 L72-0596-05 CERAMIC FILTER KP CF3 L72-0607-05 CERAMIC FILTER KPMX L1 L39-1366-05 COMBINATION COIL
ress
Parts
Parts No. Description
Desti­nation
3
Re-
marks
New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert.
Ref. No
L2 L40-1091-82 SMALL FIXED INDUCTOR(1.0UH) L3 L30-0911-05 AM IFT L4 L30-0950-05 FM IFT ETQE1 L5 L30-0951-05 FM IFT ETQE1 L6, 7 L79-1239-05 LC FILTER ETQE1
L9 L40-1001-82 SMALL FIXED INDUCTOR(10UH) X1 L77-2187-05 CRYSTAL RESONATOR
R1 RK73FB2A101J CHIP R 100 J 1/10W R4 RK73FB2A681J CHIP R 680 J 1/10W R5 RK73FB2A332J CHIP R 3.3K J 1/10W R6 RK73FB2A221J CHIP R 220 J 1/10W R7 RK73FB2A821J CHIP R 820 J 1/10W
R8 RK73FB2A100J CHIP R 10 J 1/10W ETQE1 R8 RK73FB2A330J CHIP R 33 J 1/10W KPMX R9 RK73FB2A391J CHIP R 390 J 1/10W R10 RK73FB2A102J CHIP R 1.0K J 1/10W R11 RK73FB2A220J CHIP R 22 J 1/10W ETQE1
R11 RK73FB2A330J CHIP R 33 J 1/10W KPMX R12 RK73FB2A101J CHIP R 100 J 1/10W R14 RK73FB2A101J CHIP R 100 J 1/10W ETQE1 R14 RK73FB2A271J CHIP R 270 J 1/10W KPMX R15 RK73FB2A333J CHIP R 33K J 1/10W ETQE1
R16 RK73FB2A220J CHIP R 22 J 1/10W R17 RK73FB2A362J CHIP R 3.6K J 1/10W R18 RK73FB2A302J CHIP R 3.0K J 1/10W R19 RK73FB2A822J CHIP R 8.2K J 1/10W R20 RK73FB2A392J CHIP R 3.9K J 1/10W
R23 RK73FB2A153J CHIP R 15K J 1/10W ETQE1 R23 RK73FB2A332J CHIP R 3.3K J 1/10W KPMX R25 RK73FB2A183J CHIP R 18K J 1/10W KPMX R25 RK73FB2A273J CHIP R 27K J 1/10W ETQE1 R27, 28 RK73FB2A432J CHIP R 4.3K J 1/10W ETQE1
R27, 28 RK73FB2A752J CHIP R 7.5K J 1/10W KPMX R29 RK73FB2A101J CHIP R 100 J 1/10W M R30 RK73FB2A561J CHIP R 560 J 1/10W M R31 RK73FB2A473J CHIP R 47K J 1/10W M R32 RK73FB2A272J CHIP R 2.7K J 1/10W KPMX
R33, 34 RK73FB2A102J CHIP R 1.0K J 1/10W R35 RK73FB2A101J CHIP R 100 J 1/10W ETQE1 R36 RK73FB2A102J CHIP R 1.0K J 1/10W ETQE1 R37 RK73FB2A392J CHIP R 3.9K J 1/10W ETQE1 R38 RK73FB2A102J CHIP R 1.0K J 1/10W ETQE1
R39 RK73FB2A103J CHIP R 10K J 1/10W ETQE1 R42 RK73FB2A103J CHIP R 10K J 1/10W R43 RK73FB2A221J CHIP R 220 J 1/10W R44 RD14NB2E271J RD 270 J 1/4W R45 RK73EB2B102J CHIP R 1.0K J 1/8W
R46 RK73FB2A102J CHIP R 1.0K J 1/10W R47 RK73EB2B102J CHIP R 1.0K J 1/8W R48 RK73FB2A102J CHIP R 1.0K J 1/10W R49 RK73FB2A103J CHIP R 10K J 1/10W R50 RD14NB2E471J RD 470 J 1/4W
R51 RK73FB2A562J CHIP R 5.6K J 1/10W R52 RK73FB2A101J CHIP R 100 J 1/10W
Add-
ress
New
Parts No. Description
Parts
Desti­nation
4
Re-
marks
PARTS LIST
AR-304/KRF-A4020
L : Scandinavia K : USA P : Canada R : Mexico C : China I :Malaysia Y : PX(Far East, Hawaii) T : Europe E : Europe G : Germany V : China(Shanghai) Y : AAFES(Europe) X : Australia Q : Russia H : Korea M :Other Areas indicates safety critical components.
23
L : Scandinavia K : USA P : Canada R : Mexico C : China I :Malaysia Y : PX(Far East, Hawaii) T : Europe E : Europe G : Germany V : China(Shanghai) Y : AAFES(Europe) X : Australia Q : Russia H : Korea M :Other Areas indicates safety critical components.
Page 18
24
AR-304/KRF-A4020
New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert.
Add-
New
Ref. No
R53 RK73FB2A222J CHIP R 2.2K J 1/10W R54 RK73FB2A102J CHIP R 1.0K J 1/10W R55 RK73FB2A333J CHIP R 33K J 1/10W R56, 57 RK73FB2A102J CHIP R 1.0K J 1/10W R58 RK73FB2A123J CHIP R 12K J 1/10W
R59 RK73FB2A122J CHIP R 1.2K J 1/10W R72, 73 RK73FB2A153J CHIP R 15K J 1/10W KP R72, 73 RK73FB2A392J CHIP R 3.9K J 1/10W ETQE1 R72, 73 RK73FB2A822J CHIP R 8.2K J 1/10W MX R74 RK73FB2A473J CHIP R 47K J 1/10W
R75 RK73FB2A822J CHIP R 8.2K J 1/10W R76 RK73FB2A182J CHIP R 1.8K J 1/10W R78 RK73FB2A821J CHIP R 820 J 1/10W R79 RK73FB2A332J CHIP R 3.3K J 1/10W R80 RK73FB2A223J CHIP R 22K J 1/10W ETQE1
R81 RS14KB3A151J FL-PROOF RS 150 J 1W R82 RK73FB2A272J CHIP R 2.7K J 1/10W ETQE1 R83 RK73FB2A102J CHIP R 1.0K J 1/10W R84 RK73EB2B102J CHIP R 1.0K J 1/8W R85~87 RK73FB2A105J CHIP R 1.0M J 1/10W
R88 RK73FB2A563J CHIP R 56K J 1/10W R89 RK73FB2A333J CHIP R 33K J 1/10W VR1 R32-0037-05 SEMI FIXED VARIABLE RESISTOR W51, 52 R92-0670-05 CHIP R 0 OHM W54, 55 R92-0670-05 CHIP R 0 OHM
W56 R92-0670-05 CHIP R 0 OHM M W59 R92-0670-05 CHIP R 0 OHM W60 R92-0670-05 CHIP R 0 OHM ETQE1 W62 R92-0670-05 CHIP R 0 OHM W80 R92-0679-05 CHIP R 0 OHM
W82, 83 R92-0679-05 CHIP R 0 OHM KPMX W84, 85 R92-0679-05 CHIP R 0 OHM
S1 S62-0034-05 SLIDE SWITCH M D1 DA204U DIODE
D1 MA143A DIODE D1 1SS302 DIODE D3 MTZJ8.2(B) ZENER DIODE D3 RD8.2ES(B2) ZENER DIODE
D4 MTZJ5.1(B) ZENER DIODE D4 RD5.1ES(B2) ZENER DIODE D5 MTZJ2.7(B) ZENER DIODE D5 RD2.7ES(B2) ZENER DIODE D8 MA111 DIODE
D9 MTZJ3.3(B) ZENER DIODE D9 RD3.3ES(B2) ZENER DIODE D11 MA111 DIODE ETQE1 D13 MA111 DIODE IC1 LA1837 ANALOGUE IC ETQE1
IC1 LA1838 ANALOGUE IC KPMX IC2 LC72131 MOS-IC Q1 2SC4081(R,S) TRANSISTOR Q1 2SC4116(Y,GR) TRANSISTOR Q2 2SA1576A(R,S) TRANSISTOR
ress
Parts
Parts No. Description
Desti-
nation
5
Re-
marks
New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert.
Ref. No
Q2 2SA1586(Y,GR) TRANSISTOR Q3, 4 2SC4081(R,S) TRANSISTOR M Q3, 4 2SD1819A(Q,GR) TRANSISTOR M Q6, 7 2SC4081(R,S) TRANSISTOR ETQE1 Q6, 7 2SC4116(Y,GR) TRANSISTOR ETQE1
Q10, 11 2SD1757K TRANSISTOR Q12 2SA1576A(R,S) TRANSISTOR Q12 2SA1586(Y,GR) TRANSISTOR Q14 2SA1576A(R,S) TRANSISTOR Q14 2SA1586(Y,GR) TRANSISTOR
A1 W02-2584-05 FM FRONT-END ASSY ETE1 A1 W02-2586-05 FM FRONT-END ASSY Q A1 W02-2622-05 FM FRONT-END ASSY KPMX
Add­ress
New
Parts No. Description
Parts
Desti-
nation

AUDIO UNIT (X09-614/631X-XX)

C1, 2 CC45FSL1H390J CERAMIC 39PF J ETQE1 C3, 4 CE04KW1C100M ELECTRO 10UF 16WV C5, 6 CC45FSL1H470J CERAMIC 47PF J C7, 8 CE04KW1C470M ELECTRO 47UF 16WV C9, 10 CC45FSL1H470J CERAMIC 47PF J
C11, 12 CQ93FMG1H123J MYLAR 0.012UF J C13~16 CQ93FMG1H332J MYLAR 3300PF J C17~26 CC45FSL1H221J CERAMIC 220PF J ETQE1 C27, 28 CE04KW1H2R2M ELECTRO 2.2UF 50WV C29 CK45FF1H103Z CERAMIC 0.010UF Z
C30 CC45FSL1H101J CERAMIC 100PF J C31, 32 CC45FSL1H331J CERAMIC 330PF J ETQE1 C33~36 CE04KW1H3R3M ELECTRO 3.3UF 50WV C37, 38 CE04KW1V4R7M ELECTRO 4.7UF 35WV C39, 40 CC45FSL1H101J CERAMIC 100PF J
C41 CK45FF1H103Z CERAMIC 0.010UF Z C42 CC45FSL1H101J CERAMIC 100PF J C43, 44 CE04KW1H2R2M ELECTRO 2.2UF 50WV C45, 46 CK45FB1H681K CERAMIC 680PF K C47, 48 CK45FF1H103Z CERAMIC 0.010UF Z
C49, 50 CC45FSL1H101J CERAMIC 100PF J C51, 52 CE04KW1A101M ELECTRO 100UF 10WV C53, 54 CC45FSL1H020C CERAMIC 2.0PF C C55~58 CC45FSL1H101J CERAMIC 100PF J C59, 60 CC45FSL2H470J CERAMIC 47PF J
C61, 62 CC45FSL1H101J CERAMIC 100PF J C63, 64 CE04KW1H010M ELECTRO 1.0UF 50WV C65~68 CQ93FMG1H224J MYLAR 0.22UF J ETQE1 C65~68 CQ93FMG1H224J MYLAR 0.22UF J MX C65, 66 CQ93FMG1H104J MYLAR 0.10UF J KP
C69, 70 CK45FF1H103Z CERAMIC 0.010UF Z C71~74 CK45FF1H472Z CERAMIC 4700PF Z ETQE1 C75 CK45FB1H102K CERAMIC 1000PF K C76, 77 CC45FSL1H221J CERAMIC 220PF J C78 CE04KW1C101M ELECTRO 100UF 16WV
C79 CK45FB1H102K CERAMIC 1000PF K C80 CE04KW1V100M ELECTRO 10UF 35WV C81 CE04KW1V331M ELECTRO 330UF 35WV C82 CE04KW1V4R7M ELECTRO 4.7UF 35WV C83, 84 CC45FSL1H101J CERAMIC 100PF J
6
Re-
marks
PARTS LIST
L : Scandinavia K : USA P : Canada R : Mexico C : China I :Malaysia Y : PX(Far East, Hawaii) T : Europe E : Europe G : Germany V : China(Shanghai) Y : AAFES(Europe) X : Australia Q : Russia H : Korea M :Other Areas indicates safety critical components.
L : Scandinavia K : USA P : Canada R : Mexico C : China I :Malaysia Y : PX(Far East, Hawaii) T : Europe E : Europe G : Germany V : China(Shanghai) Y : AAFES(Europe) X : Australia Q : Russia H : Korea M :Other Areas indicates safety critical components.
Page 19
New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert.
Add-
New
Ref. No
C85, 86 CE04KW1V100M ELECTRO 10UF 35WV C87 CE04KW2A100M ELECTRO 10UF 100WV C88 CE04KW2A470M ELECTRO 47UF 100WV C89, 90 CE04KW1E101M ELECTRO 100UF 25WV C91 CE04KW1C101M ELECTRO 100UF 16WV
C92 CE04KW1V470M ELECTRO 47UF 35WV C93 CE04KW1V102M ELECTRO 1000UF 35WV C94 CE04KW1V470M ELECTRO 47UF 35WV C95 CE04KW1V471M ELECTRO 470UF 35WV C96, 97 C90-3832-05 ELECTRO 4700UF 75WV KPMX
C96, 97 C90-3833-05 ELECTRO 4700UF 63WV ETQE1 C98, 99 CK45FF1H103Z CERAMIC 0.010UF Z C100 CE04KW1V4R7M ELECTRO 4.7UF 35WV C101 CE04KW1A221M ELECTRO 220UF 10WV C102 CE04KW1C101M ELECTRO 100UF 16WV
C103 CE04KW1H010M ELECTRO 1.0UF 50WV C104 CE04HW1E220M NP-ELEC 22UF 25WV C105, 106 CC45FSL1H101J CERAMIC 100PF J C107, 108 CE04KW1V100M ELECTRO 10UF 35WV C109 CK45FB1H102K CERAMIC 1000PF K
C110 CE04KW1V100M ELECTRO 10UF 35WV C111 C91-1480-05 MP 0.22UF 250WV C112, 113 CK45FF1H103Z CERAMIC 0.010UF Z C114 CE04KW1A470M ELECTRO 47UF 10WV C115, 116 CE04KW1V4R7M ELECTRO 4.7UF 35WV
C117 CK45FB1H102K CERAMIC 1000PF K C118 CE04KW1C220M ELECTRO 22UF 16WV C119 CK45FB1H102K CERAMIC 1000PF K C120 CE04KW1V100M ELECTRO 10UF 35WV C121, 122 CK45FF1H103Z CERAMIC 0.010UF Z
C123, 124 CE04KW1V4R7M ELECTRO 4.7UF 35WV C125, 126 CC45FSL2H101J CERAMIC 100PF J KPMX C127, 128 CQ93FMG1H562J MYLAR 5600PF J C129, 130 CF92FV1H824J MF-C 0.82UF J C131, 132 CQ93FMG1H472J MYLAR 4700PF J
C133 CE04HW1HR47M NP-ELEC 0.47UF 50WV C134 CK45FB1H102K CERAMIC 1000PF K C135, 136 CC45FSL1H221J CERAMIC 220PF J ETQE1 C137 CE04KW1V100M ELECTRO 10UF 35WV C502 CK45FF1H103Z CERAMIC 0.010UF Z
C503 CK45FB1H102K CERAMIC 1000PF K ETQE1 C504, 505 CK45FF1H103Z CERAMIC 0.010UF Z C506 CK45FB1H102K CERAMIC 1000PF K ETQE1 C507 CK45FF1H103Z CERAMIC 0.010UF Z C508 CK45FB1H102K CERAMIC 1000PF K
C509 CE04KW1A101M ELECTRO 100UF 10WV C510 CC45FSL1H331J CERAMIC 330PF J ETQE1 C511~514 CK45FF1H103Z CERAMIC 0.010UF Z C515 CK45FB1H561K CERAMIC 560PF K ETQE1 C516 CE04KW1H2R2M ELECTRO 2.2UF 50WV ETQE1
C517 CE04KW1H010M ELECTRO 1.0UF 50WV C518~520 CK45FF1H103Z CERAMIC 0.010UF Z C521 CC45FSL1H101J CERAMIC 100PF J ETQE1 C522 CK45FF1H103Z CERAMIC 0.010UF Z ETQE1 C523 CE04KW1A101M ELECTRO 100UF 10WV ETQE1
ress
Parts
Parts No. Description
Desti­nation
7
Re-
marks
New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert.
Ref. No
C524 CK45FF1H103Z CERAMIC 0.010UF Z ETQE1 C525 CE04KW1H010M ELECTRO 1.0UF 50WV C526 C90-3214-05 ELECTRO 100UF 6.3WV C527 CC45FCH1H470J CERAMIC 47PF J ETQE1 C528 CC45FCH1H180J CERAMIC 18PF J ETQE1
C529 CC45FSL1H101J CERAMIC 100PF J KPMX C530 CC45FSL1H101J CERAMIC 100PF J Q C531 CK45FF1H103Z CERAMIC 0.010UF Z C532 CK45FB1H102K CERAMIC 1000PF K C533 CK45FB1H102K CERAMIC 1000PF K ETQE1
C534 C90-1827-05 ELECTRO 0.047F 5.5WV ETQE1 C534 C90-1827-05 ELECTRO 0.047F 5.5WV MX C535 CE04KW0J471M ELECTRO 470UF 6.3WV KP C536, 537 CC45FSL1H101J CERAMIC 100PF J Q
CN1 E40-4245-05 PIN ASSY KP CN2 E40-4245-05 PIN ASSY ETQE1 CN2 E40-4245-05 PIN ASSY MX CN6 E40-4281-05 PIN ASSY M CN7 E40-9848-05 PIN ASSY
CN8 E40-8319-05 FLAT CABLE CONNECTOR CN9 E40-8318-05 FLAT CABLE CONNECTOR CN10 E40-3247-05 PIN ASSY CN11, 12 E40-4871-05 PIN ASSY J1 E63-0068-15 PHONO JACK
J2, 3 E63-0173-05 PHONO JACK J4 E63-1016-05 PHONO JACK J5 E70-0068-05 LOCK TERMINAL BOARD J6 E11-0347-05 MINIATURE PHONE JACK(2P) J7 E11-0295-05 PHONE JACK (3P)
J8 E03-0148-05 AC OUTLET KP J8 E03-0149-05 AC OUTLET EQE1M J8 E03-0310-05 AC OUTLET T J8 E03-0325-05 AC OUTLET X
F1 F05-2525-05 FUSE(SEMK) (250V T2.5AL) ETQE1 F1 F05-2525-05 FUSE(SEMK) (250V T2.5AL) MX F1 F50-0076-05 FUSE(5X20) (125V 6.3A) KP F1 F50-0100-05 FUSE(5X20) (250V T2.5AL) ET F2 F05-2525-05 FUSE(SEMK) (250V T2.5AL) M
F3 F05-2525-05 FUSE(SEMK) (250V T2.5AL) EE1 F3 F50-0100-05 FUSE(5X20) (250V T2.5AL) E F4, 5 F05-6313-05 FUSE(5X20) (250V 0.63A) ETQE1 F4, 5 F05-6313-05 FUSE(5X20) (250V 0.63A) MX F4, 5 F50-0066-05 FUSE(5X20) (125V 1A) KP
F4, 5 F50-0094-05 FUSE(5X20) (250V 0.63A) ET
- J19-5879-13 HOLDER CN4, 5 J13-0075-05 FUSE CLIP CN13, 14 J13-0075-05 FUSE CLIP M CN15, 16 J13-0075-05 FUSE CLIP CN17, 18 J13-0075-05 FUSE CLIP EE1
CN19, 20 J13-0075-05 FUSE CLIP E1 J11-0808-05 WIRE CLAMPER
L1, 2 L39-0085-05 PHASE COMPENSATION COIL ETQE1 L501 L40-1091-82 SMALL FIXED INDUCTOR(1.0UH) ETQE1
Add-
ress
New
Parts No. Description
Parts
Desti­nation
8
Re-
marks
PARTS LIST
AR-304/KRF-A4020
L : Scandinavia K : USA P : Canada R : Mexico C : China I :Malaysia Y : PX(Far East, Hawaii) T : Europe E : Europe G : Germany V : China(Shanghai) Y : AAFES(Europe) X : Australia Q : Russia H : Korea M : Other Areas indicates safety critical components.
25
L : Scandinavia K : USA P : Canada R : Mexico C : China I :Malaysia Y : PX(Far East, Hawaii) T : Europe E : Europe G : Germany V : China(Shanghai) Y : AAFES(Europe) X : Australia Q : Russia H : Korea M : Other Areas indicates safety critical components.
Page 20
26
AR-304/KRF-A4020
New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert.
Add-
New
Ref. No
L502 L40-1001-82 SMALL FIXED INDUCTOR(10UH) ETQE1 T1 L07-2127-05 POWER TRANSFORMER KP T1 L07-2129-05 POWER TRANSFORMER ET T1 L07-2568-05 POWER TRANSFORMER M T1 L07-2569-05 POWER TRANSFORMER ETQE1X
X501 L78-0290-05 RESONATOR (8MHZ) X502 L77-2206-05 CRYSTAL RESONATOR(4.332MHZ) ETQE1
CP1 R90-0810-05 MULTI-COMP 10K X6 CP2 R90-0878-05 MULTI-COMP 10KX3 R63, 64 RD14NB2E221J RD 220 J 1/4W R67, 68 RD14NB2E221J RD 220 J 1/4W R69, 70 RD14NB2E121J RD 120 J 1/4W
R75, 76 RD14NB2E470J RD 47 J 1/4W R81, 82 RD14NB2E470J RD 47 J 1/4W R89, 90 RD14NB2E392J RD 3.9K J 1/4W R93, 94 RD14NB2E392J RD 3.9K J 1/4W R99, 100 RD14NB2E100J RD 10 J 1/4W ETQE1
R107, 108 RS14KB3D391J FL-PROOF RS 390 J 2W R111 RD14NB2E222J RD 2.2K J 1/4W R114 R92-1844-05 CARBON 3.3M J 1/2W KP R117 RD14NB2E4R7J RD 5 J 1/4W R118, 119 RD14NB2E101J RD 100 J 1/4W
R120 RS14KB3D221J FL-PROOF RS 220 J 2W R141, 142 RD14NB2E4R7J RD 5 J 1/4W R156 RD14NB2E122J RD 1.2K J 1/4W R168 RD14NB2E1R0J RD 1 J 1/4W R182 RD14NB2E122J RD 1.2K J 1/4W
R207, 208 RS14KB3D100J FL-PROOF RS 10 J 2W R209 RD14NB2E561J RD 560 J 1/4W ETQE1 R209 RD14NB2E561J RD 560 J 1/4W KPX R575, 576 RD14NB2E221J RD 220 J 1/4W VR1, 2 R32-0030-05 SEMI FIXED VARIABLE RESISTOR
K1 S76-0089-05 MAGNETIC RELAY K2, 3 S76-0076-05 MAGNETIC RELAY S1 S68-0088-05 PUSH SWITCH (POWER) ETQE1 S1 S68-0088-05 PUSH SWITCH (POWER) MX S2, 3 S62-0001-05 SLIDE SWITCH M
S4 S62-0034-05 SLIDE SWITCH S501~515 S70-0031-05 TACT SWITCH
S516 T99-0602-05 ROTARY ENCODER S517, 518 T99-0605-05 ROTARY ENCODER
D1 MTZJ5.1(B) ZENER DIODE D1 RD5.1ES(B2) ZENER DIODE D2 MTZJ4.7(B) ZENER DIODE D2 RD4.7ES(B2) ZENER DIODE D3 HSS104A DIODE
D3 1SS133 DIODE D4 MTZJ8.2(B) ZENER DIODE D4 RD8.2ES(B2) ZENER DIODE D5~12 HSS104A DIODE D5~12 1SS133 DIODE
D13 MTZJ6.2(B) ZENER DIODE D13 RD6.2ES(B2) ZENER DIODE
ress
Parts
Parts No. Description
Desti-
nation
9
Re-
marks
New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert.
Ref. No
D14 MTZJ2.7(B) ZENER DIODE D14 RD2.7ES(B2) ZENER DIODE D15~17 HSS104A DIODE D15~17 1SS133 DIODE D18 MTZJ5.6(B) ZENER DIODE
D18 RD5.6ES(B2) ZENER DIODE D19 S1ZB20(4101) DIODE D20, 21 MTZJ16(B) ZENER DIODE D20, 21 RD16ES(B2) ZENER DIODE D22 D4SBL20UF03 DIODE
D23 MTZJ5.6(B) ZENER DIODE D23 RD5.6ES(B2) ZENER DIODE D24~27 S5688B DIODE D24~27 1SR139-400 DIODE D28 MTZJ8.2(B) ZENER DIODE
D28 RD8.2ES(B2) ZENER DIODE D31, 32 HSS104A DIODE D31, 32 1SS133 DIODE D33, 34 MTZJ13(B) ZENER DIODE KPMX D33, 34 MTZJ15(B) ZENER DIODE ETQE1
D33, 34 RD13ES(B2) ZENER DIODE KPMX D33, 34 RD15ES(B2) ZENER DIODE ETQE1 D35, 36 MTZJ18(B) ZENER DIODE KPMX D35, 36 MTZJ20(B) ZENER DIODE ETQE1 D35, 36 RD18ES(B2) ZENER DIODE KPMX
D35, 36 RD20ES(B2) ZENER DIODE ETQE1 D37, 38 HSS104A DIODE D37, 38 1SS133 DIODE D39, 40 MTZJ15(B) ZENER DIODE KPMX D39, 40 RD15ES(B2) ZENER DIODE KPMX
D41, 42 HSS104A DIODE D41, 42 1SS133 DIODE D503 HSS104A DIODE M D503 1SS133 DIODE M D504 HSS104A DIODE QX
D504 1SS133 DIODE QX D505 HSS104A DIODE ETE1 D505 1SS133 DIODE ETE1 D507 HSS104A DIODE Q D507 1SS133 DIODE Q
D508, 509 HSS104A DIODE D508, 509 1SS133 DIODE D510 HSS104A DIODE ETQE1 D510 HSS104A DIODE MX D510 1SS133 DIODE ETQE1
D510 1SS133 DIODE MX D511~524 HSS104A DIODE D511~524 1SS133 DIODE D526 MTZJ5.1(B) ZENER DIODE D526 RD5.1ES(B2) ZENER DIODE
D527 B30-2513-05 LED(RED) D528~530 HSS104A DIODE D528~530 1SS133 DIODE ED51 10-BT-216GK INDICATOR TUBE IC1 NJM4580L-D IC(OP AMP X2)
Add-
ress
New
Parts No. Description
Parts
Desti-
nation
0
Re-
marks
PARTS LIST
L : Scandinavia K : USA P : Canada R : Mexico C : China I :Malaysia Y : PX(Far East, Hawaii) T : Europe E : Europe G : Germany V : China(Shanghai) Y : AAFES(Europe) X : Australia Q : Russia H : Korea M : Other Areas indicates safety critical components.
L : Scandinavia K : USA P : Canada R : Mexico C : China I :Malaysia Y : PX(Far East, Hawaii) T : Europe E : Europe G : Germany V : China(Shanghai) Y : AAFES(Europe) X : Australia Q : Russia H : Korea M : Other Areas indicates safety critical components.
Page 21
HOW TO READ THE PARTS LIST ABBREVIATION OF MODEL AND MASS PRODUCTION'S DESTINATIONS
MODEL
CNT Australia Canada China England Europe Germany Korea Malaysia
ABB. X P C T E G H I
AR-304 -
-P-- ----
KRF-A4020 -
X--TE---
KRF-A4020E -
----E1---
KRF-A4020W -
---- ----
MODEL
CNT Mexico PX/AAFES Russia Scandinavia Shanghai USA Other area
ABB. R Y Q L V K M
AR-304 -
---- -K--
KRF-A4020 -
---- --M-
KRF-A4020E -
---- ----
KRF-A4020W -
--Q- ----
27
New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert.
Ref. No
IC2 M62492FP MOS-IC IC3 TC9164AN MOS-IC IC4 NJM4565L-D ANALOGUE IC IC51 CXP82832-162Q MI-COM IC KPMX IC51 CXP82840-163Q MI-COM IC ETQE1
IC52 X24C02 IC(256X8BIT SERIAL EEPROM) ETQE1 IC53 S-806D-Z ANALOGUE IC IC54 SAA6579/R ANALOGUE IC ETQE1 Q1, 2 DTC124ESA DIGITAL TRANSISTOR KPMX Q1, 2 UN4212 DIGITAL TRANSISTOR KPMX
Q3~6 2SC1740S(Q,R) TRANSISTOR Q3~6 2SC2785(F,E) TRANSISTOR Q7~10 2SA992(F,E) TRANSISTOR Q11~14 2SC1845(F,E) TRANSISTOR ETQE1 Q11~14 2SC2631(R,S) TRANSISTOR KPMX
Q15, 16 2SA1123(R,S) TRANSISTOR KPMX Q15, 16 2SA992(F,E) TRANSISTOR ETQE1 Q19, 20 TRAITR3N TRANSISTOR Q21, 22 TRAITR3P TRANSISTOR Q25, 26 2SA992(F,E) TRANSISTOR
Q27, 28 2SC2631(R,S) TRANSISTOR Q29, 30 2SC1740S(Q,R) TRANSISTOR Q29, 30 2SC2785(F,E) TRANSISTOR Q31 2SA992(F,E) TRANSISTOR Q32, 33 2SC1845(F,E) TRANSISTOR
Q34, 35 2SC1740S(Q,R) TRANSISTOR Q34, 35 2SC2785(F,E) TRANSISTOR Q36 2SB1640 TRANSISTOR Q37 2SC1740S(Q,R) TRANSISTOR Q37 2SC2785(F,E) TRANSISTOR
Q38 2SC3940A TRANSISTOR Q39 2SD2525 TRANSISTOR Q40, 41 2SC1740S(Q,R) TRANSISTOR Q40, 41 2SC2785(F,E) TRANSISTOR Q42 2SB1640 TRANSISTOR
Q44 2SA1175(F,E) TRANSISTOR Q44 2SA933AS(Q,R) TRANSISTOR Q45 2SC1740S(Q,R) TRANSISTOR Q45 2SC2785(F,E) TRANSISTOR Q46, 47 2SA1175(F,E) TRANSISTOR
Q46, 47 2SA933AS(Q,R) TRANSISTOR Q501 2SC1740S(Q,R) TRANSISTOR Q501 2SC2785(F,E) TRANSISTOR Q502 2SA1309A(Q,R) TRANSISTOR M Q502 2SA933AS(Q,R) TRANSISTOR M
Q503 2SC1740S(Q,R) TRANSISTOR Q503 2SC2785(F,E) TRANSISTOR
A501 W02-2625-05 OPTIC RECEIVING MODULE
L : Scandinavia K : USA P : Canada R : Mexico C : China I :Malaysia Y : PX(Far East, Hawaii) T : Europe E : Europe G : Germany V : China(Shanghai) Y : AAFES(Europe) X : Australia Q : Russia H : Korea M : Other Areas indicates safety critical components.
Add­ress
New
Parts No. Description
Parts
Desti­nation
!
Re-
marks
PARTS LIST
AR-304/KRF-A4020
Page 22
AR-304/KRF-A4020

For U.S.A. and Canada

[ AUDIO section ]
Rated power output during STEREO operation
100 watts per channel minimum RMS, both channels driven, at 8 from 40 Hz to 20 kHz with no more than 0.5 % total harmonic distortion. (FTC)
Total harmonic distortion............ 0.02 % (1 kHz, 50 W, 8 Ω)
Signal to noise ratio (IHF’66)
PHONO (MM)........................................................... 75 dB
CD ............................................................................ 92 dB
Input sensitivity / impedance
PHONO (MM).............................................2.5 mV / 27 k
CD .............................................................200 mV / 47 k
Output level / impedance
TAPE REC ...............................................200 mV / 2.2 k
PRE OUT (SUBWOOFER) .............................2 V / 2.2 k
Tone control
BASS..................................................... ±9 dB (at 100 Hz)
TREBLE ................................................ ±9 dB (at 10 kHz)
[ FM tuner section ]
Tuning frequency range .................. 87.5 MHz ~ 108.0 MHz
Usable sensitivity (MONO).............. 1.6 µV (75 )/15.2 dBf
(75 kHz DEV., SINAD 30 dB)
50dB quieting sensitivity
STEREO .................................... 31.6 µV (75 )/ 41.2 dBf
Total harmonic distortion (1 kHz)
MONO ............................................... 0.6 % (65 dBf input)
STEREO ........................................... 0.7 % (65 dBf input)
Signal to noise ratio (1 kHz, 75 kHz DEV.)
MONO ............................................... 75 dB (65 dBf input)
STEREO ........................................... 68 dB (65 dBf input)
Stereo separation (1 kHz) ........................................... 38 dB
Selectivity (±400 kHz) .................................................. 65 dB
Frequency response.........(30 Hz ~ 15kHz), +0.5 dB ~ –3.0 dB
[ AM tuner section ]
Tuning frequency range ...................... 530 kHz ~ 1,700 kHz
Usable sensitivity (30% mod., S/N 20 dB)
........................................................ 16 µV / (600 µV/m)
Signal to noise ratio (30% mod. 1 mV input) .............. 50 dB
[ GENEAL ]
Power consumption ...................................................... 2.8 A
AC outlet
SWITCHED .......................... 2 (total 150 W, 1.25 A max.)
Dimensions ....................................... W:440 mm (17-5/16”)
.................................................. H:144 mm (5-11/16”)
.................................................. D:390 mm (15-3/8”)
Weight (Net) ................................................. 8.0 kg (17.6 lb)

For other countries

[ AUDIO section ]
Effective power output during STEREO operation
1kHz,10% T.H.D.,at 8 Ω ..............................140 W + 140 W
100 watts per channel minimum RMS, both channels driven, at 8 from 40 Hz to 20 kHz with no more than 0.5 % total harmonic distortion.(FTC)
Total harmonic distortion............. 0.02 % (1 kHz, 50W, 8 Ω)
Signal to noise ratio (IHF’66)
PHONO (MM)........................................................... 75 dB
CD ............................................................................ 92 dB
Input sensitivity / impedance
PHONO (MM).............................................2.5 mV / 27 k
CD .............................................................200 mV / 47 k
Output level / impedance
TAPE REC ...............................................200 mV / 2.2 k
PRE OUT (SUBWOOFER) .............................2 V / 2.2 k
Tone control
BASS..................................................... ±9 dB (at 100 Hz)
TREBLE ................................................ ±9 dB (at 10 kHz)
[ FM tuner section ]
Tuning frequency range .................. 87.5 MHz ~ 108.0 MHz
Usable sensitivity................(MONO 1.6 µV (75 )/ 15.2 dBf
(75 kHz DEV., SINAD 30 dB)
50dB quieting sensitivity
STEREO .................................... 31.6 µV (75 )/ 41.2 dBf
Total harmonic distortion (1 kHz)
MONO ............................................... 0.6 % (65 dBf input)
STEREO ........................................... 0.7 % (65 dBf input)
Signal to noise ratio (1 kHz, 75 kHz DEV.)
MONO ............................................... 75 dB (65 dBf input)
STEREO ........................................... 68 dB (65 dBf input)
Stereo separation (1 kHz) ........................................... 38 dB
Selectivity (±400 kHz) .................................................. 65 dB
Frequency response........... (30 Hz~15kHz), +0.5 dB ~ –3.0 dB
[AM tuner section ]
Tuning frequency range
9 kHz step ........................................ 531 kHz ~ 1,602 kHz
10 kHz step (except Australia) ........ 530 kHz ~ 1,610 kHz
Usable sensitivity (30% mod., S/N 20 dB)
........................................................ 16 µV / (600 µV/m)
Signal to noise ratio (30% mod. 1 mV input) .............. 50 dB
[ GENEAL ]
Power consumption .................................................... 280 W
AC outlet
SWITCHED (for Australia) ................ 1 (total 150 W max.)
SWITCHED (except Australia) ......... 2 (total 150 W max.)
Dimensions ....................................... W:440 mm (17-5/16”)
.................................................. H:144 mm (5-11/16”)
.................................................. D:390 mm (15-3/8”)
Weight (Net) ................................................. 8.0 kg (17.6 lb)
Notes:
1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.
2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).

SPECIFICATIONS

28
Page 23
[

FOR UK and Europe

AUDIO section ]
Rated power output during STEREO operation
(DIN) 1 kHz, 0.7 % at 4 Ω ..........................105 W + 105 W
(IEC) 63 kHz ~ 12.5 kHz, 0.5 % at 4 Ω ...100 W + 100 W
Total harmonic distortion............ 0.02 % (1 kHz, 50 W, 4 Ω)
Signal to noise ratio
PHONO (MM) ........................................... 75 dB (IHF'66)
55 dB (DIN 50mW output)
CD............................................................. 92 dB (IHF'66)
56 dB (DIN 50mW output)
Input sensitivity / impedance
PHONO (MM) ...........................................2.5 mV / 27 k
CD............................................................200 mV / 47 k
Output level / impedance
TAPE REC..............................................200 mV / 2.2 k
PRE OUT (SUBWOOFER) ........................... 2 V / 2.2 k
Tone control
BASS ................................................... ±9 dB (at 100 Hz)
TREBLE............................................... ±9 dB (at 10 kHz)
[ FM tuner section ]
Tuning frequency range
U.K. and Europe ......................... 87.5 MHz ~ 108.0 MHz
Russia................87.5 MHz ~ 108.0 MHz (10 kHz STEP)
65.0 MHz ~ 74.0 MHz (50 kHz STEP)
Usable sensitivity (DIN, 75 Ω)
MONO........ 1.2 µV / 13.2 dBf (40 kHz DEV., S/N 26 dB)
STEREO ..... 45 µV / 44.2 dBf (46 kHz DEV., S/N 46 dB)
Total harmonic distortion (DIN, 1 kHz)
MONO............................................ 0.2% (65.2 dBf input)
STEREO ........................................ 0.8% (65.2 dBf input)
Signal to noise ratio (DIN weighted, 1 kHz)
U.K. and Europe
MONO ....... 65 dB (40 kHz DEV., S/N 26 dB, 65.2 dBf input)
STEREO ....58 dB (46 kHz DEV., S/N 46 dB, 65.2 dBf input)
Russia
MONO ...... 63 d B (40 kHz DEV., S/N 26 dB, 65.2 dBf input)
STEREO .... 58 dB (46 kHz DEV., S/N 46 dB, 65.2 dBf input)
Stereo separation (DIN, 1 kHz)................................... 36 dB
Selectivity (DIN, ±300 kHz) ......................................... 64 dB
Frequency response (30 Hz ~ 15kHz) ......... +0.5 dB ~ –3.0 dB
Notes:
1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.
2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).
[ AM tuner section ]
Tuning frequency range ...................... 531 kHz ~ 1,602 kHz
Usable sensitivity (30% mod., S/N 20 dB)
........................................................... 16 µV / (600 µV/m)
Signal to noise ratio (30% mod., 1 mV input) ............. 50 dB
[ GENEAL ]
Power consumption .................................................... 280 W
AC outlet
SWITCHED...................................... 2 (total 150 W max.)
Dimensions ......................................................... W: 440mm
H : 144mm D : 390mm
Weight (Net) ................................................................ 8.0 kg
AR-304/KRF-A4020
SPECIFICATIONS
29
Page 24
AR-304/KRF-A4020
Note:
Component and circuit are subject to modification to insure best oper­ation under differing local conditions. This manual is based on Gener­al market(M) standard, and provides information on regional circuit modification through use of alternate schematic diagrams, and infor­mation on regional component variations through use of parts list.
14-6,Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150-8501 Japan
KENWOOD SERVICE CORPORATION
P.O BOX 22745, 2201 East Dominguez St., Long Beach, CA 90801-5745, U.S.A.
KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
KENWOOD ELECTRONICS LATIN AMERICA S.A.
P.O BOX 55-2791, Piso 6 plaza Chase, Cl. 47 y Aquilino de la Guardia Panama, Republic de Panama
KENWOOD ELECTRONICS BRASIL LTDA.
Av. Moema, 170-17˚, Andar-Cobertura “B”, Ed. Maximum Service Center, 04077-020 Moema, São Paulo-SP-Brasil
KENWOOD ELECTRONICS U.K. LIMITED
KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB., United Kingdom
KENWOOD ELECTRONICS BELGUM N.V.
Meachelsesteenweg 418, B-1930 Zaventem, Belgium
KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Rembrücker Str. 15, 63150 Heusenstamm, Germany
KENWOOD ELECTRONICS FRANCE S.A.
13 Boulevard Ney, 75018 Paris, France
KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori, 7/9 20129, Milano, ltaly
KENWOOD IBÉRICA S.A.
Bolivia, 239-08020 Barcelona, Spain
KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
(A.C.N. 001499 074) P.O Box 504, 8 Figtree Drive, Australia Centre, Homebush, N.S.W. 2140, Australia
KENWOOD & LEE ELECTRONICS, LTD.
Unit 3712-3724, Level 37, Tower 1, Metroplaza, 223 Hing Fong Road, Kwai Fong N.T., Hong Kong
KENWOOD ELECTRONICS GULF FZE
P.O.Box 61318, Jebel Ali, Dubai, U.A.E.
KENWOOD ELECTRONICS SINGAPORE PTE LTD.
No. 1 Genting Lane #02-02, KENWOOD Building, Singapore, 349544
KENWOOD ELECTRONICS (MALAYSIA) SDN BHD.
#4.01 Level 4, Wisma Academy Lot 4A, Jalan 19/1 46300 Petaling Jaya Selangor Darul Ehsan Malaysia
KENWOOD ELECTRONICS (THAILAND) CO., LTD.
2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand
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