Kenwood SW-39HT User manual

POWERED SUBWOOFER
SW-39HT/39HT-B
SW-39HT-W
SERVICE MANUAL © 2005-3 PRINTED IN KOREA
B51-5946-00 (K/K) 667
.
AC220-240V~
SERIAL NO.
LINE INPUT
AC110-120V~
100W POWERED
SUBWOOFER
POWER
ON OFF MIN MAX
VOLUME
SPECIFICATIONS
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).
[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 .............................................. : 373mm (14-11/16 ")
Net Weight ...................................................... 10 kg (22.1 lb)
NOTE: THE GRILLE CANNOT BE REMOVED.
Type ...................... Subwoofer system with built-in amplifier
[Amplifier]
Dynamic Power ................................................ 100 W (6 Ω)
(For U.S.A. and Canada)
Rated Output Power (FTC)
75 W RMS, at 6 Ω100 Hz, with no more than 0.7 % T.H.D.
Input Sensitivity & Input Impedance ........ 300 mV (37 kΩ)
Rated Power Consumption ........................................ 70 W
Frequency Response ................................... 25 Hz ~ 160 Hz
(For other countries)
Rated Output Power ..................... 75 W RMS (100 Hz,6 Ω)
Input Sensitivity & Input Impedance ........ 300 mV (37 kΩ)
Rated Power Consumption ........................................ 70 W
Frequency Response................................... 25 Hz ~ 160 Hz
Front panel
(A29-0980-03):BW
(A29-0981-03):S
Knob (VOLUME)
(K29-0595-08):BW
(K29-0599-08):S
Knob (POWER)
(K29-0594-08):BW
(K29-0598-08):S
Woofer
(T10-1270-05)
Grille assy
(B06-1841-03):BW
(B06-1817-03):S
Bushing
(J42-0261-08)
Pin jack
(E63-0223-08)
Slide sw *
(S62-)
*Refer to parts list.
AC cord *
(E30-)
B: Black
W: White
S: SILVER
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7
6 3
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2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

2
SW-39HT
ACCESSORIES / DISASSEMBLY FOR REPAIR
Pin-plug cord (1)
(E30-7068-05)
*AC plug adapter (1)
(E03-0260-05)
*Use to adapt the plug on the power cord to the shape of the
wall outlet.
(Accessory only for regions where use is necessary.)
ACCESSORIES
DISASSEMBLY FOR REPAIR
1. HOW TO REMOVE GRILLE ASS’Y
Insert the screw driver to gaps of the grille ass’y (see figure)
Caution; Don’t damage the enclosure with screw driver.
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6 3
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2
8 9
4 2
9 8
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

3
ACEBD
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD
Q3
D6
Q4
D1
D2
CN1
Q10
D12
D14
CN4
CN3
Q5
Q6
D13 D16
D17
Q11
Q12
D5
Q7
D3
D4
JK1
IC1
Q1
Q2 Q13
Q14
D7
Q8
D18
CN5
CN9
CN7
D11
P1
Q9
CN8
CN2
SW1
CN6
P2 IC2
D15
POWER SUPPLY
MAIN
INPUT
LINE
VOLUME POWER
J29
13
J30
F2
T1
C33
JW_0
1
F1
1
31
3
4
3
1
15
R13
R10
C13
R11
R12
C14
1
18
1
106
5
R43
J5
J3
C30
R14
C16
R52
R33
R45
C25
J15
RL1
J9
J1
C38
C32
C31
C37 J33
1
C36
21
3
J32
C29
R34 R44
C35
VR1
C21
J26
R29
R2
C2
R1
R27
C5
R3
C3
J14
J16
J18
14
8
1 7
41
18
C9
C11
R8
C8
J25
R49
R36
C27
J8
C28
C39
R51
R47
J19
C10
J20 J24
J23
J22
J12
T1
R38
C34
C17
C18
R24
J31
R20
C19
R18
J13
C15
R21
R41 C24
J6
J4
R37
J7
R9
J2
R50
R7
R4
R48
R46
C26
C4
R22
R5
C7
C12
R6
C6
R19
R17
R16
R39
R40
R25
R28
C20
R26
J28
R31 R32
R30
R23
R54
J27
R15
R53
J10
J17
4
J11
J21
1
CE
CE CE
CE
CE
CE
CE
CE
CE
CE
CE
CE
CE
CE
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2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

4
ACEBD
2
1
3
5
7
4
6
SW-39HT
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts
list). indicates safety critical components. For continued protection against risk of fire, replace only with same type and rating
fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are
acceptably insulated from the supply circuit) before the appliance is returned to the customer.
The DC voltage is an actual reading measured with a high impedance type voltmeter with no signal input. The measurement
value may vary depending on the measuring instruments used or on the product.
IC1
D1D2
(3/4)
JK1
(2/4)
IC1
D18
D3
D4
Q14 Q13 Q1
D6 D7
Q4 Q3
Q2
D12
Q10
Q11
Q12
D11
Q9
Q8
Q7
D13
D14 CN4
P1 P2
D5
Q6
Q5
CN3
SPEAKER
CN2
CN1
D15
CN7
CN8
CN9
S1
(Y) TYPE ONLY
(K,P,E) TYPE
USED
(Y,X) TYPE
USED
CN6
CN5
SW1
POWER SW
IC1 : TL084CN
IC2 : TDA7293V
Q1,3,4,6,8,9,11,13 : 2N3906
Q2,7,14 : 2N3904
Q5 : 2N5401
Q10 : MPSW06
Q12 : MPSW56
D1-7,11,13,18 : 1N4148
D12 : 1N5246B
D14 : KBU4D
D15 : B30-1852-05
SIGNAL LINE
B LINE
B LINE
GND LINE
(4/4)
IC1
(1/4)
IC1
SP1
LINE
INPUT
49
11
10
8
270P
C4
22u25
+
C2
39K
R1
3
21
6
57
12
13 14
1000P
C3
47K
R3
22K
R2
0.068
C7
33K
R8
33K
R7
0.018
C9
0.068
C8
10u25
+
C5
R4
1K
0.068
C6
180K
R6
33K
R5
10u25
C10
+
1K
R20
220
R17
1K
R15
1K
R21
1K
R23
15K
R53
10K
R18
10K
R19
4.7u50
C19
+
220
R16
R54 15K
47u25
C20
10u25
C21
+
10K
R31
22K
R32
1K
R30
4.7K
R28
R26 47K
R25 47K
+
10K
R29
10K
R27
47u25
C26
2.2K
R48
47u25
C27
+
10K
R50
9.1K
R51
2.2K 1/4W
R49
47u25
C28
+
+1/4W
1u50
C25
+
10u25
C24
+
R36
4.7K
22K
R39
22K
R40
R43 22K
47K
R44
22K
R37R38
47K
R24 47K
470 2W
R47
6.8K
R45
470 2W
R46
0.047
∗C38
0.047
∗C39
3300u50
C29
3300u50
C30
C34 0.022
++
0.047
∗C37
1
2
3
AC3
GND
AC4
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
∗C31
∗C32
1K
R34
100K
R52
68
R33
3.9 2W
R14
1
C16
RL1
2
1GND
AC3
C15
47u50
3
5
1
9
10
4
6
11
14
12
2
815
713
∗C36
22K
R12
47u50
C14
+
47P
C13
390
R13
1K
R10
21
3
4
21
3
4
10K
R41
10K(B)
VR1
GRN
GND2
AC4
3
AC3
1
TF
∗JW 0
5
6
8
10
4
3
2
1
7
9
N
3
1L
(K,P) : AC120V 60Hz
50/60Hz
: AC110-120V/220-240V~
: AC230V~ 50Hz
: AC240V~ 50Hz(X)
(E)
(Y)
2
1
3
4
TF
5
3
4
2
T2
1
7
6
8
9
10
MAIN TRANS.MAIN TRANS.
T1
230V 115V
F2
T1.25AL 250V
0.01
C35
∗F1
0.01
C33
1
2
3
12
AC CORD
EUROPE E
DESTINATION
COUNTRY
U.S.A.
CANADA
PX
ABB.
Y
P
K
NO
NO
NO
YES
JW
AUSTRALIA X
T2A
T2AL
T1.25AL
T1.25AL
F1
B
+B
BLK
WHT
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
B
B
B
B
B
B
B
B
B
B
B
R11
22K
+B
0.047
0.047
0.01
0.01
0.01
C31,32
YES
NO
NO
NO
C36-39
R9 1K
3
2
IC2
SW-39HT
POWER SUPPLY PCB
MAIN PCB
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

Parts with exploded numbers larger than 700 are not supplied.
SW-39HT
B
C
D
E
F
G
H
J
K
L
M
N
P
M7
M4
φ7
M4
M3x14(BLK)
M3x8(BLK)
M3x10(BLK)
M4x10(BLK)
M3x12
M4x20(BLK)
2.5x5(BLK)
3x10(BLK)
: N14-0947-08
: N14-0958-05
: N19-0472-08
: N19-0473-05
: N19-0474-05
: N30-3014-43
: N35-3008-43
: N35-3010-43
: N35-4010-43
: N44-3012-48
: N09-3825-05
: N80-2505-43
: N89-3010-43
622
630
703
M
M
750
752
751
L
L
BD
POWER
VOLUME
N
SP1
610
640
602
641
Mx2
Lx2
Nx2
731
760
701
H
M
M
M
P
P
P
E
725
726
726
726
727
760
760
H
H
H
J
J
F2
SW1
VR1
T1/T2
621
620
Mx3
Px3
Mx2
Kx2
Kx2
Fx2
Hx2
Fx2
Cx2
Cx2
Gx2
1
2
3
AB
EXPLODED VIEW
5
SW-39HT
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Q Q
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7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
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TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299

SW-39HT
PARTS LIST
HOW TO READ THE PARTS LIST
ABBREVIATION OF MODEL AND MASS PRODUCTION'S DESTINATIONS
CNTRY Australia Canada Europe PX/AAFES USA
ABB. X P E Y K
SW-39 S
XS PS ES YS KS
SW-39HT-B B - --YB-
SW-39HT-W W XW - - - -
MODEL
Ref. No Add-
ress
New
Parts
Parts No. Description Desti-
nation Re-
marks
F1 ✽F50-0281-05 FUSE 250V/1.25 365-312125101S EX
F1 ✽F50-0283-05 FUSE 250V/2A 5 365-312200101S Y
F1 ✽F50-0298-05 FUSE 250/2A 51 365-312200102S KP
F2 ✽F50-0281-05 FUSE 250V/1.25 365-312125101S Y
T1 L07-3049-05 TRANSFORMER 11 326-1528A17310 YX
T2 L07-3047-05 TRANSFORMER 12 326-1228A17310 KP
T2 L07-3048-05 TRANSFORMER 23 326-1328A17310 E
R6 ✽R92-2390-05 RD 180K J 1/6W
R9 ✽R92-2390-05 RD 180K J 1/6W
R14 ✽R92-2392-05 RS 3.9 J 2W
R22 - JUMPER WIRE 387-054002-00
R33 ✽R92-2391-05 RD 68 J 1/6W
R46,47 RS14KB3D471J FL-PROOF RS 470 J 2W
R51 ✽R92-2393-05 RD 9.1K J 1/6W
VR1 ✽R31-0435-05 POT1/B10K/RV16 371-1B14RV16AE
RL1 S76-0218-08 RELAY OMRON/SP 372-1G5PA1DC24
S1 S62-0219-08 SWITCH VOLT VE 327-VEV1261BCT Y
SW1 ✽S68-0215-05 SWITCH / POWER 327-PSFDLB11L7U
D1-7 1N4148 DIODE 1N4148 D 334-31N4148LE
D11 1N4148 DIODE 1N4148 D 334-31N4148LE
D12 1N5246B DIODE-Z/1N5246 334-41N5246BLE
D13 1N4148 DIODE 1N4148 D 334-31N4148LE
D14 KBU4D BRIDGE DIODE K 331-2KBU4D
D18 1N4148 DIODE 1N4148 D 334-31N4148LE
IC1 ✽TL84CN IC/TL084CN(14P 331-TL84CN-00
IC2 TDA7293V IC ST TDA7293V 331-A7293V-00
Q1 2N3906 TR 2N3906 PNP 384-62N3906LE
Q2 2N3904 TR 2N3904 NPN 383-62N3904LE
Q3,4 2N3906 TR 2N3906 PNP 384-62N3906LE
Q5 2N5401 TR 2N5401 PNP 384-2N5401LE
Q6 2N3906 TR 2N3906 PNP 384-62N3906LE
Q7 2N3904 TR 2N3904 NPN 383-62N3904LE
Q8,9 2N3906 TR 2N3906 PNP 384-62N3906LE
Q10 MPSW06 TR/NRN/MPSW06R 383-9MPSW06RLRAG
Q11 2N3906 TR 2N3906 PNP 384-62N3906LE
Q12 MPSW56 TR/PNP/MPSW56R 384-9MPSW56RLRAG
Q13 2N3906 TR 2N3906 PNP 384-62N3906LE
Q14 2N3904 TR 2N3904 NPN 383-62N3904LE
✽ 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. 2
L:Scandinavia K : USA P : Canada R : Mexico C : China I : Malaysia
Y : PX(Far East,Hawaii) T : England E : Europe G : Germany V : China(Shanghai)
Y : AAFES(Europe) X : Australia Q : Russia H : Korea M : Other Areas indicates safety critical components .
Ref. No Add-
ress
New
Parts
Parts No. Description Desti-
nation
Re-
marks
602 3A ✽A29-0980-03 FRONT PANEL AS K200-SW3901B-30 BW
602 3A ✽A29-0981-03 FRONT PANEL AS K200-SW3901S-30 S
-✽B61-1249-00 INST. BOOK
610 3A ✽B06-1817-03 GRILLE ASSY SILVER S
610 3A ✽B06-1841-03 GRILLE ASSY WHT/BLK BW
620 1A E03-0260-05 AC PLUG ADAPTER YBYS
621 1A E30-7068-05 CORD WITH CONNECTOR
622 1B E30-7084-08 AC POWER CORD 316-KP3555-01 KSPS
622 1B E30-7085-08 AC CORD 2M EU 316-0E3555-00 ES
622 1B E30-7086-08 AC CORD 2M 115 316-0M3555-00 YBYS
622 1B E30-7087-08 AC CORD 2M AS 316-0X3555-00 XSXW
630 1B J42-0261-08 BUSHING 5RF-4 408-005RF4-00
640 3A K29-0594-08 KNOB POWER SW- K218-W50801B-00 BW
640 3A ✽K29-0598-08 KNOB POWER ASS K218-SW3901S-10 S
641 3A ✽K29-0595-08 KNOB VOLUME SW K218-W50802B-00 BW
641 3A ✽K29-0599-08 KNOB VOLUME AS K218-SW3902S-10 S
B✽N14-0947-08 HEX NUT M7 2T 422-H3M702001
D✽N19-0472-08 WASHER D12/D7 425-R107R5001
L✽N44-3012-48 TAPPING SCREW
SP1 2A ✽T10-1270-05 WOOFER
D15 ✽B30-1852-05 LED L-34GD-F01 335-152103-00
C2 CD04BJ1E220M ELECTRO 22UF 25WV
C3 ✽C91-0234-05 CERAMIC 1000PF M
C4 ✽C91-0236-05 CERAMIC 270PF M
C5 CD04BJ1H100M ELECTRO 10UF 50WV
C6-8 C91-0221-05 FILM 0.068UF 63WV
C9 ✽C91-0233-05 FILM 0.018UF J
C10 CD04BJ1H100M ELECTRO 10UF 50WV
C13 ✽C91-0237-05 CERAMIC 47PF K
C14 CD04BJ1H470M ELECTRO 47UF 50WV
C15 ✽C90-7650-05 NP-ELEC 47UF 50WV
C16 C91-0217-05 FILM 1UF
C19 CD04BJ1H4R7M ELECTRO 4.7UF 50WV
C20 CD04BJ1E470M ELECTRO 47UF 25WV
C21 C90-6611-05 ELECTRO 10UF 50WV
C24 C90-6611-05 ELECTRO 10UF 50WV
C25 C90-6610-05 ELECTRO 1UF 50WV
C26-28 CD04BJ1E470M ELECTRO 47UF 25WV
C29,30 ✽C90-7651-05 ELECTRO 3300UF 50WV
C31,32 ✽C91-0232-05 CERAMIC 0.01UF 250WV EKPX
C31,32 ✽C91-0238-05 CERAMIC 0.047UF 250WV Y
C33 C90-6583-05 FILM 0.01UF 250WV
C34 ✽C91-0235-05 CERAMIC 0.022UF M
C35 C90-6583-05 FILM 0.01UF 250WV
C36-39 ✽C91-0238-05 CERAMIC 0.047UF 250WV Y
JK1 E63-0223-08 RCA/1P/RJ-1081 399-RRJ10810103
JW_0 - JUMPER WIRE 387-054002-00 X
✽ 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. 1
L:Scandinavia K : USA P : Canada R : Mexico C : China I : Malaysia
Y : PX(Far East,Hawaii) T : England E : Europe G : Germany V : China(Shanghai)
Y : AAFES(Europe) X : Australia Q : Russia H : Korea M : Other Areas indicates safety critical components .
SW-39HT (Y19-8120-10)
ELECTRIC PARTS
w w w . x i a o y u 1 6 3 . c o m
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7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299