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SPECIFICATIONS

POWERED  SUBWOOFER

103SW/SW-301
1050SW/SW-501

SERVICE MANUAL

©1997-10/B51-5376-00 (K/K) 2295

Knob
(K29-0577-08)

KENWOOD badge
(B43-0302-04)

Knob
(K29-0573-08)

RCA pin jack
(E23-0224-08)

Speaker terminal
(E21-0279-08)

Panel *
(A29-)

Cloth frame assy
(B06-1144-08)

Note : Refer to SW-900 service manual(B51-4228-00) if you need
the microprocessor information.

Power cord bushing
(J42-0234-08)

AC power cord*
(E30-)

Window
(B10-3302-08)

Knob
(K29-0578-08)

Knob
(K29-0576-08)

1050SW(SW-501)

103SW(SW-301)

Amplifier

Power output

150 watts RMS into 4 ohms,

100 watts RMS into 4 ohms,

from 20 Hz to 200 Hz, with no

from 20 Hz to 200 Hz,with no

more than 0.09%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

12 in (300 mm) polypropylene

10 in (250 mm) polypropylene

cone

cone

Nominal impedance

4 ohms

4 ohms

Width

14.3 in (363 mm)

11.8 in (300 mm)

Height

21.7 in (550 mm)

18.9 in (480 mm)

Depth

18.9 in (480 mm) with grille

15.6 in (395 mm)

Net weight

53 lb (24 kg)

40 lb (18 kg)

Since Kenwood follows a policy of continuous advancement in development, these specifications may change without notice.

Slide switch
(S62-0207-08)

* Refer to parts list on page 8.

103SW/SW301(K) 

COVER( 

 

98.4.24 

20:44 

 y [ W  

2

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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