Kenwood 103SW Service Manual Download Page 8

14-6,Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150 Japan

KENWOOD SERVICE CORPORATION

P.O BOX 22745, 2201 East Dominguez St., Long Beach, CA 90801-5745, U.S.A.

Note:

Component and circuit are subject to modification to insure best operation under differ

-

ing local conditions. This manual is based on Europe (E) standard, and provides infor

-

mation on regional circuit modification through use of alternate schematic diagrams,

and information on regional component variations through use of parts list.

✽ 

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

Add-

ress

New

Parts

Description

Desti-

nation

Re-

marks

Parts No.

L :

Scandinavia

K : 

USA

P : 

Canada

R :

Mexico

Y : 

PX(Far East, Hawaii)

T : 

Europe

E : 

Europe

G :

Germany

Y : 

AAFES(Europe)

X : 

Australia

M : 

Other Areas

indicates safety critical components.

✽ 

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

Add-

ress

New
Parts

Description

Desti-

nation

Re-

marks

Parts No.

L :

Scandinavia

K : 

USA

P : 

Canada

R :

Mexico

Y : 

PX(Far East, Hawaii)

T : 

Europe

E : 

Europe

G :

Germany

Y : 

AAFES(Europe)

X : 

Australia

M : 

Other Areas

indicates safety critical components.

IC401

UPD75004CU-076

IC(4bit MICROPROCESSOR)

IC402

LB1641

IC(MOTOR DRIVER)

IC403

78L05A

IC(VOLTAGE REG5V)

IC404

W02-3003-08

REMOTE PREAMP

IC441

PST600C

IC(SYSTEM RESET)

IC601

UPC1298V

IC(POWER AMP DRIVER)

IC651

UPC1237HA

IC(POWER AMP)

IC851

NJM2072D

IC

Q251,252

2SC1815GR

TRANSISTOR

Q253,254

2SA1015GR

TRANSISTOR

Q401-403

2SC1815GR

TRANSISTOR

Q405

2SC1815GR

TRANSISTOR

Q441

2SC1815GR

TRANSISTOR

Q601

2SC1846

TRANSISTOR

Q602

5

2SC3281(R)

TRANSISTOR

Q602

3

2SC5198

TRANSISTOR

Q603

5

2SA1302(R)

TRANSISTOR

Q603

3

2SA1941(R)

TRANSISTOR

Q621

2SA1015GR

TRANSISTOR

Q622

2SC2878A

TRANSISTOR

Q631

2SC1815GR

TRANSISTOR

Q651

2SC1815GR

TRANSISTOR

Q652

2SA1015GR

TRANSISTOR

Q851

2SC1815GR

TRANSISTOR

Q871

2SB1274

TRANSISTOR

Q872

2SD1913

TRANSISTOR

ZD101,102

MTZJ30B

ZENER DIODE

ZD401

MTZJ6.8B

ZENER DIODE

ZD871,872

MTZJ16B

ZENER DIODE

ZD873,874

MTZJ5.1B

ZENER DIODE

R103,104

RD14BB2H122J

RD

1.2K

J

1/2W

R425,426

RD14BB2E390J

RD

39

J

1/4W

R603

3

RD14BB2C102J

RD

1.0K

J

1/6W

R603

5

RD14BB2C821J

RD

820

J

1/6W

R606

5

RD14BB2C102J

RD

1.0K

J

1/6W

R607,608

RN14BK2E100J

RN

10

J

1/4W

R609,610

RN14BK2E2R7J

RN

2.7

J

1/4W

R611

R90-0826-05

MULTI-COMP

0.22X2

J

5W

R612

RS14GB3A100J

FL-PROOF RS

10

J

1W

R613

3

RD14BB2C184J

RD

180K

J

1/6W

XCMI   

R613

5

RD14BB2C184J

RD

180K

J

1/6W

XMI       

R613

3

RD14BB2C224J

RD

220K

J

1/6W

KPETGY      

R613

5

RD14BB2C274J

RD

270K

J

1/6W

KPETGY   

R614

5

RD14BB2C124J

RD

120K

J

1/6W

KPETGY   

R614

3

RD14BB2C563J

RD

56K

J

1/6W

XCMI     

R614

5

RD14BB2C753J

RD

75K

J

1/6W

XMI   

R614

3

RD14BB2C823J

RD

82K

J

1/6W

KPETGY   

R631

3

RD14BB2C153J

RD

15K

J

1/6W

XCMI    

R631

5

RD14BB2C183J

RD

18K

J

1/6W

XMI     

R631

3

RD14BB2C183J

RD

18K

J

1/6W

KPETGY  

R631

5

RD14BB2C223J

RD

22K

J

1/6W

KPETGY  

R663

5

RS14GB3A152J

FL-PROOF RS

1.5K

J

1W

KPETGY  

R663

3

RS14GB3A561J

FL-PROOF RS

560

J

1W

XCMI    

R663

3

RS14GB3A821J

FL-PROOF RS

820

J

1W

KPETGY  

R801,802

RS14GB3A4R7J

FL-PROOF RS

4.7

J

1W

KPETGY

R811

RN14BK2E151F

RN

150

F

1/4W

R851

3

RS14GB3A181J

FL-PROOF RS

180

J

1W

XCMI

R851

3

RS14GB3A221J

FL-PROOF RS

220

J

1W

KPETGY

R871

3

RS14GB3A221J

FL-PROOF RS

220

J

1W

ETGY

R871

3

RS14GB3A4R7J

FL-PROOF RS

4.7

J

1W

KPXCMI

R872

3

RD14GB2H100J

FL-PROOF RD

10

J

1/2W

ETGY

R872

3

RS14GB3A4R7J

FL-PROOF RS

4.7

J

1W

KPXCMI

VR201

R31-0409-08

POTENTIOMETER CROSSOVER FREQ

VR601

R31-0408-08

TRIMMING POT

BIAS

RY601

S51-2092-05

RELAY

SPEAKER

RY851

S51-2094-05

RELAY

POWER

SW201

S62-0207-08

SLIDE SWITCH

SLOPE

SW401

S70-0203-08

TACT SWITCH

STANDBY

SW901

S68-0202-08

POWER SWITCH

SW902A

S31-2115-05

SLIDE SWITCH

VOLTAGE

MICY

D411,412

1SS133

DIODE

D413

1SR139-100

DIODE

D414-419

1SS133

DIODE

D631

1SS133

DIODE

D651-653

1SR139-100

DIODE

D801

3

D3SBA20

DIODE

D801

5

D5SBA20

DIODE

D811-814

1SR139-100

DIODE

D815

MTZJ5.1B

ZENER DIODE

D851

1SR139-100

DIODE

D852,853

1SS133

DIODE

IC101

NJM4558L

IC(OP AMP X2)

IC201-203

NJM4558L

IC(OP AMP X2)

IC204

TC4066BP

IC(ANALOG/ DIGITAL SW)

5

6

P

ARTS LIST

103SW/SW

-301/1050SW/SW

-501

103SW/SW301(K) 

COVER( 

 98.4.24 

20:44 

 y[W

 1

Summary of Contents for 103SW

Page 1: ...9 total more than 0 09 total harmonic distortion harmonic distortion Phase switching Normal Reverse Normal Reverse Input sensitivity and input impedance RCA type jack 70 mV 12 k ohms 70 mV 12 k ohms Push type terminals 1 7 V 15 k ohms 1 7 V 15 k ohms Supply voltage AC 110 V 120 V 1050SW AC 110 V 120 V 103SW Rated power consumption 150 watts 110 watts Speaker Enclosure Ported Ported Speaker units 1...

Page 2: ...UT SETTINGS AMPLIFIER SETTINGS ALIGNMENT POINTS ALIGN FOR FIG Unless otherwise specified the individual switches should be set as following POWER ON NO SIGNAL INPUT 1 IDLE CURRENT Connect a DC voltmeter to R611 VOLUME 0 VR601 5 mV a How to remove the front panel Remove the decoration plate 1 by a pincette to the bottom of the front panel then remove the 3 screws 2 103SW SW 301 Remove the front pan...

Page 3: ...A C E G I B D F H J 2 1 3 5 7 4 6 Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 3 4 SD 98 4 2420 40 y W 1 ...

Page 4: ...R608 C612 0 047 C211 0 01 100P C212 C210 27K R211 R213 180K C205 0 18 0 18 C206 1 2W 1 2W C202 100P 0 01 C201 R113 12K 8 2K C102 L H X X NOR REV X X H L MUSIC MOVIE B A MODE 12 VR201A 50K R216 9 1K C217 0 01 4 7K R215 C213 0 047 VSS C C C B C D C A VDD SWD SWC SWB SWA 22K C651 4 7u50 R651 R658 12K 56K R655 R659 22u16 C656 C655 47u10 68K R657 R654 22K C659 22u16 R653 22K R652 33K C660 2 7K 1u50 R65...

Page 5: ...79 7P CN201A 3P CN804 Bx2 Bx2 650 A B C C D D E F G H J K L M N ø 4x14 BLK M4x16 ø 5x25 BLK ø 5x25 BLK ø 3x20 BLK ø 3x16 BLK ø 3x8 ø 3x6 ø 3x8 ø 3x10 BLK ø 3x8 BLK ø 3x10 BLK ø 3x10 BLK ø 3x8 ø 3x8 N44 4014 45 N35 4016 45 N09 3668 05 103SW N09 3672 05 1050SW N44 3020 45 103SW N62 3116 45 1050SW N09 3669 05 N89 3006 46 N83 3008 46 N89 3010 45 N89 3008 45 N34 3010 45 N82 3010 45 N82 3008 46 N89 3008...

Page 6: ...5 POWER TRANSFORMER X 660 1A J02 0622 08 F00T B46 0096 53 WARRANTY CARD X B46 0310 03 WARRANTY CARD TEG B46 0330 03 WARRANTY CARD K B46 0336 03 WARRANTY CARD P B61 0886 00 INSTRUCTION MANUAL KP B61 0887 00 INSTRUCTION MANUAL MIXY B61 0888 00 INSTRUCTION MANUAL TEG H10 6449 08 PLYFOAM 392G SET TOP H10 6450 08 PLYFOAM BOTTOM H21 1285 08 MIRAMAT 1900X600X0 5T H51 0983 08 CARTON KP H51 0984 08 CARTON ...

Page 7: ...E04KW1E470M ELECTRO 47UF 25WV C877 878 CE04KW1A470M ELECTRO 47UF 10WV C901 C91 1441 08 CERAMIC 4700PF 250WV C902 903 C91 0211 08 FILM 4700PF 250WV JK101 E21 0279 08 SPEAKER TERMINAL JK102 E23 0224 08 RCA PIN JACK LINE F901 3 F05 1623 05 FUSE 1 6A 250V ETGXCM F901 3 F05 1623 05 FUSE 1 6A 250V IY F901 5 F06 2021 05 FUSE 2A 250V ETGXMI F901 3 F50 0072 05 FUSE 3 15A 125V KP F901 5 F50 0073 05 FUSE 4A ...

Page 8: ...SB1274 TRANSISTOR Q872 2SD1913 TRANSISTOR ZD101 102 MTZJ30B ZENER DIODE ZD401 MTZJ6 8B ZENER DIODE ZD871 872 MTZJ16B ZENER DIODE ZD873 874 MTZJ5 1B ZENER DIODE R103 104 RD14BB2H122J RD 1 2K J 1 2W R425 426 RD14BB2E390J RD 39 J 1 4W R603 3 RD14BB2C102J RD 1 0K J 1 6W R603 5 RD14BB2C821J RD 820 J 1 6W R606 5 RD14BB2C102J RD 1 0K J 1 6W R607 608 RN14BK2E100J RN 10 J 1 4W R609 610 RN14BK2E2R7J RN 2 7 ...

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