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Kenwood SW-3HT Service Manual
Kenwood SW-3HT Service Manual

Kenwood SW-3HT Service Manual

Power subwoofer

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POWER SUBWOOFER
SW-3HT
SERVICE MANUAL
Cloth frame assy
(B06-1144-08)
Badge
(B43-0847-04)
Type .......................................... Subwoofer system with built-in
[Amplifier]
100 watts RMS, at 4 W, from 20 Hz to 200 Hz with no more
than 0.09 % total harmonic distortion.
Phase Switching ..................... NORMAL, REVERSE
Input Sensitivity & Input Impedance
RCA-type pin-plug jack ....... 45 mV (12 kW)
Push-type terminals ............ 0.7 V (5 kW)
Supply Voltage ....................... U.S.A. and Canada
Other countries AC 110 V - 120 V/ AC 220 V - 240 V
Rated Power Consumption .. 110 W
Note:
KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.
Power knob (REAR)
(K29-0579-08)
SPECIFICATIONS
amplifier
AC 120 V
© 1997-11/B51-5394-00 (K/K) 1396
LED
Speaker terminal
(B30-1822-08)
(E21-0279-08)
INPUT
FROM AMPLIFIER
+
R
L
+
POWER
ON
OFF
+
R
L
+
TO SPEAKERS
Cord bushing
AC cord *
(J42-0234-08)
(E30-)
[Speaker]
Enclosure ................................. Bass-Reflex,
Speaker Units ......................... 250 mm Cone type
Nominal Impedance .............. 4 W
Dimensions .............................. Width : 300 mm (11-13/16")
Net Weight .............................. 16 kg (35.3 lb)
Supplied Accessories ............ Pin-plug cord × 1
.................................................... Pads
NOTE: DO NOT REMOVE THE GRILLE.
Slide switch voltage *
(S31-)
SERIAL NO.
PHASE
LEVEL CONTROL
LINE
NORMAL
REVERSE
Slide switch phase
Level control knob
(S62-0207-08)
(K29-0576-08)
* Refer to parts list on page 7.
Floor
Standing
Type
Height : 420 mm (16-9/16")
Depth : 444 mm (17-1/2")
(× 4)

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Summary of Contents for Kenwood SW-3HT

  • Page 1 Other countries AC 110 V - 120 V/ AC 220 V - 240 V Rated Power Consumption .. 110 W NOTE: DO NOT REMOVE THE GRILLE. Note: KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.
  • Page 2 SW-3HT CONTENTS / ADJUSTMENT CONTENTS SPECIFICATIONS .........Top cover SCHEMATIC DIAGRAM ..........4 CONTENTS / ADJUSTMENT ........2 EXPLODED VIEW ............6 PC BOARD ..............3 PARTS LIST..............7 ADJUSTMENT INPUT OUTPUT AMPLIFIER ALIGNMENT ITEM ALIGN FOR F I G . SETTINGS SETTINGS SETTINGS P O I N T S...
  • Page 3: Pc Board(Component Side View)

    PC BOARD(Component side view) Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 4: Power Amp

    INPUT/FILTER (210-7145-130) POWER AMP (210-7145-110) CN803 STAND-BY W803 Q403 R435 R437 R872 Q872 R427 +15V +15V CN601 1.5K S IN JK101 IC101 R105 (1/2) 100K C874 R876 220P R107 S.DET 100K W802 R108 100K R106 100K -15V IC101 C873 R875 (2/2) 220P CN802...
  • Page 5 (210-7145-120) W801 CN902B DESTINATION AC-H1 F901 F902,903 COUNTRY ABB. AC-H1 U.S.A. T3.15A 125V T800mA 250V CANADA T1.6AL 250V T800mAL 250V AC-H2 AC-H2 CN901 F902 AC-L1 AC IN (K,P) : AC120V 60Hz LGND : AC110-120V/220-240V~ F903 50/60Hz AC-L2 (210-7145-140) SW-3HT Y19-3990-10...
  • Page 6: Exploded View (Unit)

    SW-3HT EXPLODED VIEW (UNIT) SPK1 Bx12 AC110- 120V~ AC220- 240V~ SW902 FROM LEVEL AMPLIFIER LINE PHASE CONTROL D401 JK101 JK102 SW201 VR201 SPEAKERS 5x25 : N09-3668-05 4x14(BLK) : N44-4014-45 M4x8 (BLK) : N35-4008-45 3x12(BLK) : N82-3012-45 3x10(BLK) : N89-3010-45 3x8 (BLK)
  • Page 7: Electric Parts

    Add- Desti- Desti- Ref. No Parts No. Description Ref. No Parts No. Description marks ress Parts nation ress Parts nation marks SW-3HT C207 CQ92FM1H473J MYLAR 0.047UF C208 CQ92FM1H184J MYLAR 0.18UF B06-1144-08 CLOTH FRAME ASSY C211 CQ92FM1H473J MYLAR 0.047UF B43-0847-04 BADGE...
  • Page 8 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- Desti- Ref. No Parts No. Description marks ress Parts nation R811 RS14GB3A821J FL-PROOF RS R851...