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POWERED SUBWOOFER

SW-37HT/37HT-H/37HT-ML/
SW-37HT-S/37HT-W
SERVICE MANUAL 2003-4 PRINTED IN KOREA
TENTATIVE B51-5856-00 (K/K) PDF


NOTE: Some KENWOOD parts # are not available as repair parts. Knob(VOLUME) SW slide
(K29-0580-08) (S62-0218-08)




CROSSOVER
FILTER
OFF
ON




VOLUME
MIN MAX



CROSSOVER
60Hz 200Hz



LINE INPUT




STARDBY / ON




AUTO SHUTOFF
ON

OFF


POWER

ON


OFF




Grille ass'y * SW Rocker Line cord * Bushing AC line
(B06-) (S66-0205-08) (E30-) (J42-0295-08)

* Refer to parts list on page 7.

SPECIFICATIONS
Type ............................................................Subwoofer system with [Speaker]
built-in amplifier Enclosure ......................................Bass-Reflex, Floor Standing
[Amplifier] Type
Dynamic Power ..........................................75 W + 75 W (4 ) Speaker Units ................................200 mm (8") Cone type
Nominal Impedance ......................4 + 4
(For U.S.A. and Canada)
Rated Output Power (FTC) Dimensions ...................................Width : 300 mm (11-13/16")
Height : 350 mm (13-3/4")
50 W + 50 W RMS, at 4 100 Hz, with no more than 0.3% T.H.D.
Depth : 480 mm (18-7/8")
Input Sensitivity & Input Impedance ........170 mV (12 k) Net Weight .....................................14 kg (30.9 lb)
Rated Power Consumption .......................100W
Supplied accessories
(For other countries) Pin-plug cord .............................................................1
Rated Output Power ..................................60 W + 60W RMS Cushion .....................................................................4
(100 Hz,4 )
Input Sensitivity & Input Impedance ........170 mV (12 k)
Rated Power Consumption .......................100W NOTE: THE GRILLE CANNOT BE REMOVED.

Notes:
1. Kenwood follows a policy of continuous advancements in development. For this reason, specifications may be changed
without notice.
2. Full performance may not be exhibited in extremely cold locations (below 0 deg. C).
SW-37HT/37HT-H/37HT-ML/37HT-S/37HT-W
ACCESSORIES
Accessories

Pin-plug cord (1) Cushion (4)
(E30-5964-08) (G13-1141-08)




Attaching the cushions
Attach four cushions to the base of the subwoofer, one at
each corner. The cushions prevent the subwoofer from
sliding, and dampen its vibrations.




WARNING
Due to the mains switch was located at the rear panel, the
apparatus must be located in the open area without any
obstructions to access the mains switch.




How to Replace Woofer
Insert the scew driver to a gap between cabinet and grille assy from bottom side.




2
A B C D E



PC BOARD(Component side view)
1




POWER AMP BOARD
C901
D902
T1A 250V




C903
2 D903 R547 CN503

T1A 250V




R902
7 1
D904
IC902
E B R542
F901




D501
D905 JW30 O I G




R546
ZD2 Q504 R543
F902




C904
1




R901
JW16




C525
JW17




R530




R541
DB901 C902 C910
CN901




E
JW26




JW34




Q503
JW32




JW02
R548
Q501
JW14 C912
C914




B E




B
JW35 R531




C526
D503 JW15
C905 JW11 JW13




E
JW25 D906 Q902
C913




JW01 C524
JW31 B E Q502 JW33
6




C915 JW24




R545
R544



B
C502 B E
T5A 250V
T5A 250V




RL901 JW37




JW12
JW22
P1
Q901 JW36




RL902
3 C906




R524
C535
C911




R533
CN501
C521




R529
C534
F904
F903




2
C907




C503 C909




CN502
2




1
JW10
O G I IC901
JW05




R528




1
R534




JW002

JW001
R540 R536 C533 R550
JW07 C509
JW06 C510 C517
R549 JW28
C516




R539
C531 R525 JW21
C908 C532 C518
JW29 R537




R535
D901
ZD501
R522




C515
JW23 JW03 C522 JW19
R521




JW18 C513
JW04




P2
C520
C514




R523 JW20 C519
JW27




R538



C507
JW08




C523
ZD502 11
JW09




1 R527 11 1 C527
C528
C508 IC501
ZD1 10 2 10 2
C530 C529


4
PRE AMP BOARD
R432




C410


R412
R433
R435




C418
R406


R408
R407




R414
R416

R411
C423




CN403
C407
C406
C443
C405




C430 R434
R478
E

Q402




C411
7 1
C433




C420
R472




C422
C428
B
C425




C412
R458
R444
R431




C414
8 5 C444
R475




7 1
R440




C408
R477
R469
R463
R436




R474




IC401
R405
R471




JW403
R467




IC402
B




JW402




C417 JW401
R437
R439
E R438




1 4 E B Q406
D405




8 14 C409
D406
R448




R404




C426 R445 Q403 C403
D408




C446




C431
B E




R410
R450
R451




R443 Q401
C441 C447 8 5 R470
C445
R442 C429
SW401
R473
R430




R453

R461




IC403
C404




R441
R402

R403
B




R428
5
E




R415
D407 C427 Q405 1 4
R466




RB401 C421 R476
B E
R462