Kenwood KS-303HT User manual

POWER SUBWOOFER
KS-303HT/SW-22HT/25HT
SERVICE MANUAL
REVISED © 2001-4/B51-5710-00 (K/K) 1362
AC power cord
(E30-5857-08)
Fuse holder
(J13-0212-08)
AC power cord bushing
(J42-0243-08)
LED
(B30-1832-08)
Grille ass'y
(B06-1481-08) RCA jack x2 (E63-0213-08) Control rotary (R31-0418-08) Slide switch (S62-0213-08)
Control rotary
(R31-0419-08)
70%
SPECIFICATIONS
Subwoofer(SW-22HT/SW-25HT)
System Subwoofer system with built-in amplifier
Audio
Output Power 50 Watts RMS, at 4Ωfrom 40 Hz to 160 Hz with no
more than 0.09% total harmonic distortion
section
Input Sensitivity/Impedance
100 mV/43 kΩ, 200 mV/43 kΩ(MONO)
RCA-type pin-plug jack (LINE IN):
Push-type terminals: 1.8V/1.2 kΩ
Turn Over Frequency 80 Hz ~ 160 Hz
Phase Switching NORMAL, REVERSE
Enclosure Bass-Reflex
Speaker Loudspeaker 200 mm (8") Cone type
section Nominal Impedance 4 Ω
Frequency Response 40 Hz ~ 250 Hz
Power Consumption 110 W
Supply Voltage AC120 V, 60 Hz
Dimensions Width: 286 mm (11-1/4")
General Height: 368 mm (14-1/2")
Depth: 356 mm (14")
Net Weight 11.2 kg (24.7 Ib)
Enclosure Finish High density particle board Iaminated with simulated
wood grain vinyl.
Front speaker, Center speaker, Rear speaker
Front speaker Centerspeaker Rear speaker
system 2 way 2 way 1 way
(Magnetically shielded) (Magnetically shielded)
Enclosure Acoustic Air Suspension Acoustic Air Suspension Acoustic Air Suspension
Loudspeaker 100 mm(4") Cone type
(Full Range type)
Woofer: 100 mm(4") Cone type 100 mm(4") Cone type –
Tweeter: 50 mm(2") Cone type 50 mm(2") Cone type –
Nominal Impedance 8 Ω8 Ω8 Ω
Peak Input Power –80W 80W
Maximum Input Power 80W 40W 40W
Sensitivity 88dB/Wat 1m 88dB/Wat 1m 85dB/Wat 1m
Frequency Response 100Hz ~ 20,000 Hz 100Hz ~ 20,000 Hz 100Hz ~ 20,000 Hz
Crossover Frequency 3,000 Hz 3,000 Hz –
Dimensions Width:
129mm(5-1/16") 129mm(5-1/16") 129mm(5-1/16")
Height: 198mm(7-13/16") 198mm(7-13/16") 198mm(7-13/16")
Depth: 120mm(4-3/4") 120mm(4-3/4") 120mm(4-3/4")
Net Weight 1.2kg(2.6Ib)/piece 1.0kg(2.2Ib) 0.8kg(1.8Ib)/Piece
NOTE: THE GRILLES ON ALL SPEAKERS 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).
Switch push
(S68-0206-08)
Speaker jack
(E70-0204-08) Switch rocker (S66-0204-08)
KS-303HT is bundled up satellite speaker. SW-22HT and
SW-25HT are Subwoofer only.

Pin-plug cord (1)
(E30-5839-08) Cushions (4)
(G13-1141-08)
(KS-303HT
and SW-22HT)
Speaker wires (5)
(W01-1088-08)
(KS-303HT only)
KS-303HT/SW-22HT/25HT
2
CONTENTS / ACCESSORIES
DISASSEMBLY FOR REPAIR
SPECIFICATIONS ........................................Top cover
CONTENTS / ACCESSORIES .................................. 2
DISASSEMBLY FOR REPAIR....................................2
PC BOARD ................................................................ 3
SCHEMATIC DIAGRAM ............................................ 5
EXPLODED VIEW ......................................................9
PARTS LIST..............................................................10
Contents
Accessories
1x3
2
2
2
22
2
1x3
1x3
1x3
How to Remove the Amplifier
1. Remove screws fixed the rear panel to the enclosure.
2. Remove screws fixed the rear panel to the amplifier cover.
How to Remove the Grille Ass'y
1. You need to remove the grille ass'y if replace the sub-
woofer.
2. Insert the screw driver to the gaps of the grille ass'y and
lift it up.
There are 3 models' information for repair in this manual. SW-25HT is new model, however, KS-303HT and SW-
22HT are circuit change information(revised).

ACEG IBDFHJ
2
1
3
5
7
4
6
CROSSOVER
OUTPUT
VOLUME
PHASE
INPUT
FROM AMPLIFIER
TO SPEAKERS
BE
E
B
BE
BE
BE
BE
BE
BE
BE
B
E
BE
B
E
BE
BE
EBB
E
B
E
R604
C601
C603
R401
J130
C402
J146
J156
J143
RB601
R414
C404
R162
C151
P501
G
R412
1
R515
R514
C506
R513
BE
JW604
R411
R407
J145
C602
J142
C137
C508
C141
R408
R160
J127
J126
C158
R409
R510
C504
C410
R501
J155
R511
J152
J151
C152
J128
L101
R403
C139
C136
R404
R153
R406
R405
R509
R151
BE
J139
C132
R155
C156
R156
R506
J147
R507
J141
R161
J133
R159
C403
J144
C135
C150
J134
C133
R154
J132
J157
C138
R508
C502
J135
R504
C530
R503
IG
R502
J138
P61
R152
C501
R606
JW601
R416
R608
R607
R605
RL101
J603
R601
R602
R603
P62
R610
R609
R611
C604
C605
J137
C408
J136
R413
R417
C405
C407
T2
C406
J153
R410
R415
R402
T1
C401
J140
R505
J150
C155
ZD401
C159
C157
J131
C131
J154
SPK GND
OI
4
8
5
O
16
13
12
R111
C114
R102
J112
ZD101
C153
C154
C115
C116
C119
C122
R137
R136
E
R105
J148
7
E
6
B
B
C103
R178
R107
R109
R134
R138
R140
AUTO POWER SW
1
2
R133
R130
8
R129
R164
R157
R139
R158
P502
R132
1
J101
C121
R131
C120
B
E
R106
R110
J149
R179
R177
C105 R108
C104
C102
R104
+
L
L
C101
J106
C117
J105
J103
R128
4E
B
5R135
C123
J102
R120
C118
R126
J104
R127
R165 J107
J108
J109
C142
R103
C113
J111
J110
R113
C106
16C149
R116
C110
C107
R112
R118
J125
J123
VR101
3
J114
R101
9
J118
J117
5
1
J122
2
R176
4
1
J129
C148
R168
C111
R125
C112
1
J116
R124
J113
14
J115
R167
R114
J121
J119 J120
R123
7
C108
C109 R122
R115
8
R119A
R119
J124
R181
R180
C124
R117
VR102
R183
L
C140
9
C147
1
C146
P102
R184
12
D602
CN601
Q502
Q603
Q605
Q604
Q602
Q601
IC105
IC501
Q109
D502
Q408
Q107
D501
D105
Q108
Q501
Q401
D102
ZD103
Q409
D103
D104
Q405
Q402
IC104
CN104
CN101
Q406
CN102
BD101
D601
Q404
Q403
Q407
D401
IC102
JK102
HIGH LEVEL INPUT
HIGH LEVEL OUTPUT
LOW
LEVEL
INPUT
LOW
LEVEL
OUTPUT
VOLUME
CROSSOVER
PHASE
CN103B
Q101
SW101
LD101
Q102
D101
Q110
D109 Q115
RIB104
CN103A
SW102
P101
JK101
IC101
JK103
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD(Component side view)
POWER IC TYPE POWER TRANSISTOR TYPE
3 4

ABDFHJCEG I
2
1
3
5
7
4
6
14 13 12 11 10 9 8
1
2
3
4
5 6
7
4
3
2
5 7 6
1
8
6
5
4
3
2
1
6
5
4
3
2
1
1 6 14 3 2
12
13
7
8
10
9
11
4
5
R105
30K
R107
1.2K 1W
R178
1.2K
100P
C103
C105
0.01
120 1W
R177
R108
1.2K 1W
30K
R106
100P
C104
1.2K
R179
39K
R110
10K
R101 R103
47K
100P
C101
R102
10K
R104
47K
100P C102
39K
R109
4.7u50
+
C106
10K
R111
4.7u50
+
C109
4.7K
R119
4.7u50
C124
+
100K
R180
18K
R117
100K
R181
120K
R112
100P
C107
4.7u50
+
C108
22K
R115
0.047
C149
220K
2.2K
R114
R167
10K(A)
VR101
10K
R168
10K
R116
4.7u50
C110
+
18K
R122
18K
R124
0.068
C111
0.039
C112
220K
R176
10K
R125
0.068
C113
0.039
C142 10K
R123
513246987
9687 5 3421
820K
R128
10P
C119
2.2M
R127
C117
0.1
R129 10K
0.022
C154
220u10
C153
+
9 7
C120
0.022
1K
R120
R130
1M
R132
1M
1K
R183
R184
1K
50K(B)
VR102B VR102A
50K(B)
100P
C147
100P
C146
0.1
C122
2.2K
R164
68
R131
R134 220K
R133 10M
C121 220u16
+
R139
10K
R158
22K
ON OFF
R136
10K
3.3K
R137
2.2K
R140
2.2K
R138
6.8K
R157
R135 33
0.1u50
C114
+
100u16
C123
+
33
R126 100u16
C115
+
0.022
C116
15P
C507
33P
C126
15K
R143
0.068
C130
10 1/2W
R146
10 1/2W
R147
0.22 3W
R150
0.22 3W
R149
R151
4.7 1/2W
1uH
L101
0.039
C131
4.7
R152
1/2W
RL101
560 2W
R153
3.9K
R145
1000P
C129
2K
R170
5
67
3
4
281
2.2u50
+
C501
22K
R501
1u50
+
C502
4.7K
R505
5.6K
R504
1K
R503 1K
R502
10K
R515
10u50
C506
+
10K
R514
1M
R509
10K
R507
10K
R508
10u50
C508
+
1M
R506
120K
R513
15K
R510
47K
R511
0.1
C504
OUT
GND
IN
0.1
C150
100u16
C139
+
330 2W
R159
OUT
GND
C141
100u16
+
IN
C151
0.1
680 1/2W
R160
0.1
C530
0.1
C135
0.1
C136
3300u50
C138
+
3300u50
C137
+
220K
R154
1
2
47u16
+
C132
47K
R156
68K
R155
R148 15K47u16
C503
+
300
R512
R516 3.3K
10u50
C605
+
22K
R606
100K
R605
4.7K
R604
100K
R603
R611
100K
10u50
C601
+
C604
10u50
+
R610
3.3K
100K
R609
100u16
C603
+
C602
100u16
+
R608 3.3K
R607 3.3K
68K
R161
10u50
C133
+
8.2K
R162
1/4W
3
1
2
1
2
3
4
T101
3A
F101
250V
AC
+35V+24V
+35V +35V +35V
+35V
+35V +35V
35V
35V
35V26V
35V 35V 35V
35V
35V 35V
+15V
+15V
+15V
+15V
+15V
15V 15V
15V
15V 15V
15V
15V
+15V+15V
+15V
+15V
B
+B
9 7
0.47u50
C118
+
22K
R113
27K
R118
0.047
C148
0.1
C152
1K
R601
27K
R602
P501
1/2W
3.3M
0.01
C1
R1
IC101
IC102 IC104
IC105
IC103
KS-303HT
RIB104 CN104
CN103B
JK102
JK101 SW102
ZD101
JK103
D101
SW101
LD101
Q101
Q102
Q110
STANDBY
LED
OP
AMP
VOLUME
CROSSOVER
R
L/MONO
LOW
INPUT
LEVEL
R
OUTPUT
LEVEL
LOW
L
D102
IC501(1/2)
(2/2)
IC501
D501
D502
+15V AVR
-15V AVR
Q105
Q106 D103
Q108
Q109
Q104
Q501
Q502
D601
Q601
Q605
Q602
Q603
Q604
ZD103
D104
Q107
BD101
CN101 SW103
POWER
AMP
FINAL
TR.
CN601
CN102
SUB WOOFER
D105
B LINE
B LINE
GND LINE
SIGNAL LINE
IC101 : TL074CN
IC102,501 : NJM4558D
IC103 : UPC1298V
IC104 : TA7815S
IC105 : TA79015S
Q101,102,108-110,501,
502,601,603-605
: 2SC945(Q,P)
Q104 : 2SD882
Q105 : 2SC5198(O)
Q107,602 : 2SA733A(P)
D101,103,105,501,502,
601,602 : 1N4148
D102,104 : 1N4001
ZD103 : MTZJ18B
ZD101 : MTZJ6.2B
HIGH LEVEL INPUT HIGH LEVEL OUTPUT
PHASE SW
AUTO POWER SW
OP AMP
SP.
RELAY
D602
2SA1941(O)Q106 :
BD101 : RS402L
SP1
0V
0V
0V
-14.9V
0V
0V
0V
14.7V
0V
0V
0V
0V
0V
14.7V6.2V5.1V
: 1.3V
POWER ON
12.9V
6.0V
POWER ON
: 0.7V
28.6V
-33.2V
0.6V
-0.6V
0V
0V
-35.0V
0.6V
-1.3V
-0.7V
0V
0V
0V
15.0V
0V
0V
0V
15.0V
23.5V 35.0V
-26.4V -35.0V
-15.0V
POWER ON
: 3.0V
8.6V
0.7V
15.0V
15.0V
0V14.6V
8.8V
0V0V
14.3V
15.0V
35.0V
KS-303HT
Y29-6400-10
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 depend-
ing on the measuring instruments used
or on the product.
2SA733A
2SC945 2SD882 NJM4558D TA7815S TA79015S UPC1298V

14 13 12 11 10 9 8
1
2
3
4
5 6
7
4
3
2
5 7 6
1
8
6
5
4
3
2
1
6
5
4
3
2
1
R105
30K
R107
1.2K 1W
R178
1.2K
100P
C103
C105
0.01
120 1W
R177
R108
1.2K 1W
30K
R106
100P
C104
1.2K
R179
39K
R110
10K
R101 R103
47K
100P
C101
R102
10K
R104
47K
100P C102
39K
R109
4.7u50
+
C106
10K
R111
4.7u50
+
C109
4.7K
R119
4.7u50
C124
+
100K
R180
18K
R117
100K
R181
120K
R112
100P
C107
4.7u50
+
C108
22K
R115
0.047
C149
220K
2.2K
R114
R167
10K(A)
VR101
10K
R168
10K
R116
4.7u50
C110
+
18K
R122
18K
R124
0.068
C111
0.039
C112
220K
R176
10K
R125
0.068
C113
0.039
C142 10K
R123
513246987
9687 5 3421
820K
R128
10P
C119
2.2M
R127
C117
0.1
R129 10K
0.022
C154
220u10
C153
+
9 7
C120
0.022
1K
R120
R130
1M
R132
1M
1K
R183
R184
1K
50K(B)
VR102B VR102A
50K(B)
100P
C147
100P
C146
0.1
C122
2.2K
R164
68
R131
R134 220K
R133 10M
C121 220u16
+
R139
10K
R158
22K
ON OFF
R136
10K
3.3K
R137
2.2K
R140
2.2K
R138
6.8K
R157
R135 33
0.1u50
C114
+
100u16
C123
+
33
R126 100u16
C115
+
0.022
C116
0.22 5W
R416
0.22 5W
R415
R151
4.7 1/2W
1uH
L101
0.039
C131
4.7
R152
1/2W
RL101
560 2W
R153
5
67
3
4
281
2.2u50
+
C501
15K
R501
1u50
+
C502
4.7K
R505
36K
R504
1K
R503 1K
R502
10K
R515
10u50
C506
+
10K
R514
1M
R509
10K
R507
10K
R508
10u50
C508
+
1M
R506
120K
R513
15K
R510
47K
R511
0.1
C504
OUT
GND
IN
0.1
C150
100u16
C139
+
330 2W
R159
OUT
GND
C141
100u16
+
IN
C151
0.1
680 1/4W
R160
0.1
C530
0.1
C135
0.1
C136
3300u50
C138
+
3300u50
C137
+
220K
R154
1
1
2
2
47u50
+
C132
47K
R156
68K
R155
R417 12K
10u50
C605
+
22K
R606
10K
R605
4.7K
R604
100K
R603
R611
100K
10u50
C601
+
C604
10u50
+
R610
3.3K
100K
R609
100u16
C603
+
C602
100u16
+
R608 3.3K
R607 3.3K
68K
R161
10u50
C133
+
8.2K
R162
1/4W
3
1
2
1
2
3
4
T101
3A
F101
250V
AC
+35V+24V
+35V +35V +35V
+35V
35V
35V
35V26V
35V 35V 35V
35V
+15V
+15V
+15V
+15V
+15V
15V 15V
15V
15V 15V
15V
15V
+15V+15V
+15V
+15V
B
+B
9 7
0.47u50
C118
+
22K
R113
27K
R118
0.047
C148
0.1
C152
1K
R601
27K
R602
P501
1/2W
3.3M
0.01
C1
R1
C408 33P
R414
300 1/2W
C406
R409
51
R408
51
0.1
C404
3.6K
R411
750
R412
820
R413
51
R407
C410
270P
0.1
6.2K
R410
R401
1K
R405
1.8K 1.8K
R406
1/2W
+
C401
100u16
12K
R402
+
C403
22u35 1.5K
R404
R403
56K
4.7u50
C402
+
0.1
C405
0.1
C407
IC101
IC102 IC104
IC105
KS-303HT(K)/SW-22HT REVISED /SW-25HT
RIB104 CN104
CN103B
CN103A
JK102
JK101 SW102
ZD101
JK103
D101
SW101
LD101
Q101
Q102
Q110
STANDBY
LED
OP
AMP
VOLUME
CROSSOVER
R
L/MONO
LOW
INPUT
LEVEL
R
OUTPUT
LEVEL
LOW
L
D102
IC501(1/2)
(2/2)
IC501
D501
D502
+15V AVR
-15V AVR
Q408
Q409
D103
Q108
Q109
Q501
Q502
D601
Q601
Q605
Q602
Q603
Q604
ZD103
D104
Q107
BD101
CN101 SW103
POWER
CN601
CN102
SUB WOOFER
D105
B LINE
B LINE
GND LINE
SIGNAL LINE
IC101 : TL074CN
IC102,501 : NJM4558D
IC104 : TA7815S
IC105 : TA79015S
Q101,102,108-110,403,404,
501,502,601,603-605
: 2SC945(Q,P)
Q408 : 2SC5198(O)
Q107,401,402,405,602
: 2SA733A(P)
D101,103,105,401,501,502,
601,602 : 1N4148
D102,104 : 1N4001
ZD103 : MTZJ18B
ZD101 : MTZJ6.2B
HI GH LEVEL INPUT HI GH LEVEL OUTPUT
PHASE SW
AUTO POWER SW
OP AMP
SP.
RELAY
D602
2SA1941(O)Q409 : BD101 : RS402L
SP1
D401
Q405
Q404
Q403 Q407
Q406
Q402
Q401
ZD401
Q406 2SC2235Y:
ZD401 MTZJ12B:Q407 2SA965Y:
BIAS
DRIVER
0V
0V
0V
-14.9V
0V
0V
0V
14.7V
0V
0V
0V
0V
0V
14.7V6.2V5.1V
: 1.3V
POWER ON
12.9V
6.0V
POWER ON
: 0.7V
0V
0V
0V
15.0V
0V
0V
0V
15.0V
23.5V 35.0V
-26.4V -35.0V
-15.0V
POWER ON
: 3.0V
8.6V
0.7V
15.0V
15.0V
0V14.6V
8.8V
0V0V
14.3V
15.0V
KMOQSLNPRT
2
1
3
5
7
4
6
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). indicates safety critical compo-
nents. 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 depend-
ing on the measuring instruments used
or on the product.
SW-22HT/25HT
Y29-6400-10
2SA965Y 2SA733A
2SC2235Y
2SC945
2SD882 NJM4558D TA7815S TA79015S UPC1298V

Parts with exploded numbers larger than 700 are not supplied.
Hx4
Jx12
L
LL
L
L
Lx3
Lx3 Ex2
Lx3
Ax2
Ax2
Gx4
Fx2
Kx4
Bx4
Mx2
C
CD
D
A
B
C
D
E
F
G
H
J
K
L
M
:
:
:
:
:
:
:
:
:
:
:
:
N09-3747-05
N10-2030-46
N10-2040-46
N19-0455-08
N30-2006-45
N30-3012-45
N30-3016-45
N09-3748-08
N45-4020-45
N89-3008-46
N89-3010-45
N89-3014-45
4x14 (BLK)
M3
M4
4.3
M2x6 (BLK)
M3x12 (BLK)
M3x16 (BLK)
M3.5x20 (BLK)
4x20 (BLK)
3x8
3x10 (BLK)
3x14 (BLK) KS-303HT
Rear speakers
have full range only.
Replace only for repair
Ref No.651~655 SATELLITE SPEAKERS:
766
763
762
CROSSOVER
OUTPUT
AUTO SHUTOFF
POWER
769
768
SP1
605
JK103
602
F101
630x2
620
601
764
763
767
615
650
610
761
765
760
791
790
SW101
631
616
T101
611
621
617
617
PHASE
SW102
VOLUME
VR101
SW103
INPUT
JK101
JK102
STANDBAY/ON
FROM
AMPLIFIER
L/MONO
RIGHT
LEFT
RIGHT
TO
SPEAKERS
LD101
VR102
791
791x2
1
2
3
AB
9
KS-303HT/SW-22HT/25HT
EXPLODED VIEW (UNIT)

10
KS-303HT/SW-22HT/25HT
PARTS LIST
Ref. No Add-
ress
New
Parts
Parts No. Description Desti-
nation Re-
marks
C101-104 CK45FB1H101K CERAMIC 100PF K
C105 CK45FB1H103Z CERAMIC 0.010UF Z
C106 CE04KW1H4R7M ELECTRO 4.7UF 50WV
C107 CK45FB1H101K CERAMIC 100PF K
C108-110 CE04KW1H4R7M ELECTRO 4.7UF 50WV
C111 CQ92FM2A683J MYLAR 0.068UF J
C112 CQ92FM2A393J MYLAR 0.039UF J
C113 CQ92FM2A683J MYLAR 0.068UF J
C114 CE04KW1H0R1M ELECTRO 0.1UF 50WV
C115 CE04KW1C101M ELECTRO 100UF 16WV
C116 CK45FB1H223Z CERAMIC 0.022UF Z
C117 CK45FB1H104Z CERAMIC 0.10UF Z
C118 CE04KW1HR47M ELECTRO 0.47UF 50WV
C119 CC45FSL1H100D CERAMIC 10PF D
C120 CK45FB1H223Z CERAMIC 0.022UF Z
C121 CE04KW1C221M ELECTRO 220UF 16WV
C122 CK45FB1H104Z CERAMIC 0.10UF Z
C123 CE04KW1C101M ELECTRO 100UF 16WV
C124 CE04KW1H4R7M ELECTRO 4.7UF 50WV
C126 CC45FSL1H330J CERAMIC 33PF J IC
C129 CK45FB1H102K CERAMIC 1000PF K IC
C130 CQ92FM2A683J MYLAR 0.068UF J IC
C131 CQ92FM2A393J MYLAR 0.039UF J
C132 CE04KW1C470M ELECTRO 47UF 16WV IC
C132 CE04KW1H470M ELECTRO 47UF 50WV PT
C133 CE04KW1H100M ELECTRO 10UF 50WV
C135,136 CK45FB1H104Z CERAMIC 0.10UF Z
C137,138 CE04KW1H332M ELECTRO 3300UF 50WV
C139 CE04KW1C101M ELECTRO 100UF 16WV
C141 CE04KW1C101M ELECTRO 100UF 16WV
C142 CQ92FM2A393J MYLAR 0.039UF J
C146,147 CK45FB1H101K CERAMIC 100PF K
C148,149 CQ92FM2A473J MYLAR 0.047UF J
C150-152 CK45FB1H104Z CERAMIC 0.10UF Z
C153 CE04KW1A221M ELECTRO 220UF 10WV
C154 CK45FB1H223Z CERAMIC 0.022UF Z
C401 CE04KW1C101M ELECTRO 100UF 16WV PT
C402 CE04KW1H4R7M ELECTRO 4.7UF 50WV PT
C403 CE04KW1V220M ELECTRO 22UF 35WV PT
C404-407 CK45FB1H104Z CERAMIC 0.10UF Z PT
C408 CC45FSL1H330J CERAMIC 33PF J PT
C410 CC45FSL1H271J CERAMIC 270PF J PT
C501 CE04KW1H2R2M ELECTRO 2.2UF 50WV
C502 CE04KW1H010M ELECTRO 1.0UF 50WV
C503 CE04KW1C470M ELECTRO 47UF 16WV IC
C504 CQ92FM2A104J MYLAR 0.10UF J
C506 CE04KW1H100M ELECTRO 10UF 50WV
C507 CC45FSL1H150J CERAMIC 15PF J IC
C508 CE04KW1H100M ELECTRO 10UF 50WV
C530 CK45FB1H104Z CERAMIC 0.10UF Z
C601 CE04KW1H100M ELECTRO 10UF 50WV
C602,603 CE04KW1C101M ELECTRO 100UF 16WV
C604,605 CE04KW1H100M ELECTRO 10UF 50WV
JK101 2A ✽E63-0213-08 RCA JACK CTP0005-002
JK102 2A ✽E70-0204-08 SPK JACK CTP0004-002
✽ 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
601 3A ✽A02-2535-08 COVER, REAR PLT,BPA0025-000
602 2B A23-5514-08 REAR PLATE GAL0071-014 5
602 2B A23-5503-08 REAR PLATE GAL0071-010 3
602 2B A23-5504-08 REAR PLATE GAL0071-013 2
605 2A B06-1481-08 GRILLE ASSY
-✽B46-0328-03 WARRANTY CARD YWC0004C001 K
-✽B46-0347-03 WARRANTY CARD P
-✽B61-1062-00 INSTRUCTION 3
-✽B61-1069-00 INSTRUCTION 2
-✽B61-1118-00 INSTRUCTION YOM0082C001 5
C1 C91-0647-05 CERAMIC 0.010UF P
610 2A ✽E30-5839-08 AUDIO CORD
611 3B ✽E30-5857-08 LINE CORD 47455-D65
F101 2B ✽F50-0169-08 FUSE,3A,250V KSA2300-101
615 2A ✽G13-1141-08 CUSHION 23
616 3B ✽G16-0207-08 RUBBER,BLK HARD,BRF0007-001
617 3B ✽G16-0208-08 RUBBER,SW200 ICU0007-002
-✽H10-8168-08 POLYSTYREN FOAM,WOOFER
-✽H10-8170-08 POLYSTYREN FOAM,SATELLITE(TOP) 3
-✽H10-8171-08 POLYSTYREN FOAM,SATELLITE(BTM) 3
-✽H25-2286-08 PROTECTION BAG ,WOOFER
-✽H25-2287-08 PROTECTION BAG ACCESSSORY
-✽H25-2294-08 PROTECTION BAG ,SATELLITE 3
-✽H51-1481-08 ITEM CARTON CASE,SATELLITE 3
-✽H51-1482-08 ITEM CARTON CASE,WOOFER 3
-✽H51-1499-08 ITEM CARTON CASE,WOOFER 2
-✽H51-1696-08 ITEM CARTON CAS,ICC0228-004 5
620 2B ✽J13-0212-08 FUSE HOLDER DFH1229-001
621 3B ✽J42-0243-08 AC LINE BUSH DBU3050-010
630 2B ✽K23-0540-08 KNOB,BLK BPK5018-003
631 2B ✽K23-0541-08 PUSH KNOB,BLK BPK8015-002
T101 3B ✽L07-3027-08 POWER TRANSFORM,TTI1201-004
D✽N19-0455-08 WASHER,4.3 HWT8540-110
H✽N09-3748-08 SCREW,M3.5X20,BLK,H011103-320
R1 R92-1844-05 CARBON 3.3M J 1/2W
SW101 2A ✽S62-0213-08 SW,SLIDE MSS9477-034
SW103 3B ✽S66-0204-08 SW ROCKER MSV0001-004
SP1 2A ✽T10-0953-05 SPK DRIVER FDW6080-312
650 2A ✽W01-1088-08 SPK CORD ASSY 3
651 1A ✽X20-2500-10 SATELLITE SP CENTER 3
652 1A ✽X20-2490-11 SATELLITE SP FRONT,L 3
653 1A ✽X20-2490-10 SATELLITE SP FRONT,R 3
654 1A ✽X20-2510-11 SATELLITE SP REAR,L 3
655 1A ✽X20-2510-10 SATELLITE SP REAR,R 3
LD101 3A ✽B30-1832-08 LED KEM0001-001
✽ 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 .
KS-303HT;3 / SW-22HT;2 / SW-25HT;5
ELECTRICAL PARTS (IC:Power Pack type / PT:Power Transistor type)

KS-303HT/SW-22HT/25HT
11
PARTS LIST
Ref. No Add-
ress
New
Parts
Parts No. Description Desti-
nation Re-
marks
JK103 2A ✽E63-0213-08 RCA JACK CTP0005-002
L101 ✽L90-0403-08 COIL 1UH SHR6619-001
R107,108 RS14GB3A122J FL-PROOF RS 1.2K J 1W
R146,147 RD14BB2H100J RD 10 J 1/2W IC
R149,150 ✽R92-2330-08 FL-PROOF RS 0.22 J 3W IC
R151,152 RD14BB2H4R7J RD 4.7 J 1/2W
R153 RS14GB3D561J FL-PROOF RS 560 J 2W
R159 RS14GB3D331J FL-PROOF RS 330 J 2W
R160 RD14BB2E681J RD 680 J 1/4W PT
R160 RD14BB2H681J RD 680 J 1/2W IC
R177 RS14GB3A121J FL-PROOF RS 120 J 1W
R401 RD14BB2H102J RD 1.0K J 1/2W PT
R414 R92-2361-05 FUSE R 300 J 1/4W PT
R415,416 R92-2360-05 CEMENT 0.22 J 5W
VR101 2A ✽R31-0418-08 CNTL ROTARY MRR0103-002
VR102 2B ✽R31-0419-08 CNTL ROTARY MRR0503-012
RL101 ✽S76-0208-08 RELAY MRL2212-005
SW102 2A ✽S68-0206-08 SW PUSH MSP0001-006
BD101 ✽RS402L DIODE
D101 1N4148 DIODE
D102 1N4001 DIODE
D103 1N4148 DIODE
D104 1N4001 DIODE
D105 1N4148 DIODE
D401 1N4148 DIODE PT
D501,502 1N4148 DIODE
D601,602 1N4148 DIODE
IC101 ✽TL074CN IC
IC102 NJM4558D IC(OP AMP X2)
IC103 UPC1298V IC(POWER AMP DRIVER) IC
IC104 TA7815S IC(VOLTAGE REGULATOR/ +15V)
IC105 TA79015S IC(VOLTAGE REGULATOR/ -15V)
IC501 NJM4558D IC(OP AMP X2)
Q101,102 2SC945(Q,P) TRANSISTOR
Q104 2SD882 TRANSISTOR IC
Q105 2SC5198(O) TRANSISTOR IC
Q106 2SA1941(O) TRANSISTOR IC
Q107 2SA733A(P) TRANSISTOR
Q108-110 2SC945(Q,P) TRANSISTOR
Q401,402 2SA733A(P) TRANSISTOR PT
Q403,404 2SC945(Q,P) TRANSISTOR PT
Q405 2SA733A(P) TRANSISTOR PT
Q406 2SC2235Y TRANSISTOR PT
Q407 2SA965Y TRANSISTOR PT
Q408 2SC5198(O) TRANSISTOR PT
Q409 2SA1941(O) TRANSISTOR PT
Q501,502 2SC945(Q,P) TRANSISTOR
Q601 2SC945(Q,P) TRANSISTOR
Q602 2SA733A(P) TRANSISTOR
Q603-605 2SC945(Q,P) TRANSISTOR
ZD101 MTZJ6.2B ZENER DIODE
ZD103 MTZJ18B ZENER DIODE
ZD401 MTZJ12B ZENER DIODE PT
✽ 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. 3
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 .

KS-303HT/SW-22HT/25HT
14-6,Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150-8501 Japan
KENWOOD SERVICE CORPORATION
P.O BOX 22745, 2201 East Dominguez St., Long Beach, CA 90801-5745, U.S.A.
KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
KENWOOD ELECTRONICS LATIN AMERICA S.A.
P.O BOX 55-2791, Piso 6 plaza Chase, Cl. 47 y Aquilino de la Guardia Panama, Republic de Panama
KENWOOD ELECTRONICS BRASIL LTDA.
Av. Moema, 170-17˚, Andar-Cobertura “B”, Ed. Maximum Service Center, 04077-020
Moema, São Paulo-SP-Brasil
KENWOOD ELECTRONICS U.K. LIMITED
KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB., United Kingdom
KENWOOD ELECTRONICS BELGUM N.V.
Meachelsesteenweg 418, B-1930 Zaventem, Belgium
KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Rembrücker Str. 15, 63150 Heusenstamm, Germany
KENWOOD ELECTRONICS FRANCE S.A.
13 Boulevard Ney, 75018 Paris, France
KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori, 7/9 20129, Milano, ltaly
KENWOOD IBÉRICA S.A.
Bolivia, 239-08020 Barcelona, Spain
KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
(A.C.N. 001 499 074)
16 Giffnock Avenue, North Ryde, N.S.W. 2113, Australia
KENWOOD ELECTRONICS (HONG KONG) LTD.
Unit 3712-3724, Level 37, Tower 1, Metroplaza, 223 Hing Fong Road, Kwai Fong N.T., Hong Kong
KENWOOD ELECTRONICS GULF FZE
P.O.Box 61318, Jebel Ali, Dubai, U.A.E.
KENWOOD ELECTRONICS SINGAPORE PTE LTD.
No. 1 Genting Lane #02-02, KENWOOD Building, Singapore, 349544
KENWOOD ELECTRONICS (MALAYSIA) SDN BHD.
#4.01 Level 4, Wisma Academy Lot 4A, Jalan 19/1 46300 Petaling Jaya Selangor Darul Ehsan
Malaysia
KENWOOD ELECTRONICS (THAILAND) CO., LTD.
2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand