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Kenwood SW-38HT Service Manual

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POWERED SUBWOOFER
SW-38HT/-38HT-B
QQ
3 7 63 1515 0
SERVICE MANUAL
100W POWERED
SUBWOOFER
POWER ON
TE
L 13942296513
Type ...................... Subwoofer system with built-in amplifier
[Amplifier]
Dynamic Power ................................................. 100 W (6Ω)
(For U.S.A. and Canada)
Rated Output Power (FTC)
75 W RMS, at 6 Ω 100 Hz, with no more than 0.7 % T .H.D.
Input Sensitivity & Input Impedance ........ 300 mV (37 kΩ)
Rated Power Consumption ........................................ 70 W
Frequency Responce................................... 35 Hz ~ 200 Hz
(For other countries)
Rated Output Power ....................... 75 W RMS (100 Hz,6 Ω)
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Input Sensitivity & Input Impedance ........ 300 mV (37 kΩ)
Rated Power Consumption ........................................ 70 W
.
Frequency Responce................................... 35 Hz ~ 200 Hz
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).

SPECIFICATIONS

x
ao
u163
y
i
2 9
8
Woofer
(T10-1253-05)
Q Q
3
6 7
1 3
1 5
Cloth frame *
AC Power cord bushing
(J42-0261-08)
(B06-)
[Speaker]
Enclosure ........................ Bass-Reflex, Floor Standing Type
Speaker Units ............................160 mm (6-1/2") Cone type
Nominal Impedance ....................................................... 6 Ω
Dimensions
Width ................................................... : 210 mm (8-1/4")
Height ................................................ : 400 mm (15-3/4")
Depth ................................................. : 350 mm (13-3/4")
Net W eight .................................................... 9.2 kg (20.3 lb)
Supplied accessories
Pin-plug cord .................................................................. 1
co
NOTE:THE GRILLE CANNOT BE REMOVED .
.
9 4
2 8
© 2004-6 PRINTED IN KOREA
B51-5905-00 (K/K) 876
RCA
Knob
(E63-0223-08)
(K29-0596-08)
0 5
8
2 9
9 4
2 8
AC Power cord *
(E30-)
m
9 9
9 9
Switch
(S66-0206-08)
70%

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  Summary of Contents for Kenwood SW-38HT

  • Page 1: Specifications

    Frequency Responce........35 Hz ~ 200 Hz 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).
  • Page 2 SW-38HT 3 7 63 1515 0 ACCESSORIES Accessories Pin-plug cord (1) AC plug adapter(1) (E30-7068-05) (E03-0260-05) How to Replace Woofer Cut the cloth of cloth frame ass’y and replace it with new one after mount the speaker. L 13942296513 u163...
  • Page 3: Pc Board (Component Side View)

    PC BOARD (Component side view) 3 7 63 1515 0 JW27 MAIN L 13942296513 JW23 JW15 POWER SUPPLY JW22 JW26 JW25 JW24 JW14 JW11 JW10 JW12 JW 0 JW27 u163 JW17 Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 4 SW-38HT 3 7 63 1515 0 C3 1000P 0.068 (2/2) R3 47K ∗ ∗ 22u25 SUB-IN 10u50 10u50 (1/2) (1/2) (2/2) MAIN 100K (1/2) (2/2) 4.7u50 2.2K R26 47K R25 47K L 13942296513 6.8K IC1-3 : TL072 : TDA7293V POWER SW...
  • Page 5: Exploded View

    SW-38HT 3 7 63 1515 0 EXPLODED VIEW LED PCB L 13942296513 MAIN PCB VOLUME I/O PCB INPUT POWER SUPLY PCB T1 or φ3x10(BLK) : N44-3010-45 φ4x16(BLK) N44-4016-45 φ4x10(BLK) u163 N44-4010-45 φ3x6(BLK) N86-3006-45 φ3x10(BLK) N86-3010-45 φ3x14(BLK) N86-3014-45 N10-2040-46 SW-38HT Parts with exploded numbers larger than 700 are not supplied.
  • Page 6 Description Ref. No Parts No. Description ress Parts nation marks ress Parts nation marks ✽ L07-3047-05 TRANSFORMER 120326-1228A17310 SW-38HT Y=YS+YB, YS=SW-38HT, YB=SW-38HT-B ✽ L07-3048-05 TRANSFORMER 230326-1328A17310 ✽ T1/T2 L07-3049-05 TRANSFORMER 115326-1528A17310 ✽ B61-1221-00 INSTRUCTION MAN640-SW38HT-00 KPEX ✽ B61-1227-00 INSTRUCTION MAN640-SW38HY-00...

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