KENWOOD SW-305-W Service Manual

Cover page of KENWOOD SW-305-W Service Manual

Service Manual for KENWOOD SW-305-W, downloadable as a PDF file.

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background image
70%
Type .........................Subwoofer system with built-in amplifier
(Magnetically shielded)
[Amplifier]
Rated Output Power ........100 W RMS, 30 Hz ~ 200 Hz, 4
Phase Switching ..................................NORMAL, REVERSE
Input Sensitivity & Input Impedance
RCA-type pin-plug jack .............................100 mV /12 k
200 mV /12 k
(MONO Input)
Push-type terminals ......................................1.7 V /15 k
[Speaker]
Enclosure ..........................Bass-Reflex, Floor Standing Type
Speaker Unit ......................................200 mm (8") Cone type
Nominal Impedance ..........................................................4
[General]
Rated Power Consumption ............................................90 W
Dimensions ................................Width : 250 mm (9-13/16")
Height
: 422 mm (16-5/8")
Depth : 408 mm (16-1/16")
Net Weight ....................................................12.2 kg (26.9 lb)
KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be
changed without notice.
· Sufficient performance may not be exhibited at extremely cold locations (where water freezes).
Notes
POWER SUBWOOFER
SW-305-B/305-W
SERVICE MANUAL
© 2000-10/B51-5673-00 (K/K) 2275
CROSSOVER
60Hz
200Hz
VOLUME CONTROL
POWER
MIN
- ON ­ OFF
PHASE
­ NORMAL - REVERSE
MAX
LINE
(MONO)
FROM
AMPLIFIER
INPUT
INPUT
TO
SPEAKERS
OUTPUT
+
R
-
+
R
-
R
+
-
+
-
R
L
L
L
R
R
R
Grille ass'y
(B06-1490-08): B
(B06-1502-08): W
AC power cord *
(E30-)
Button(POWER)
(K29-0585-08): B
(K29-0589-08): W
Button(PHASE)
(K29-0583-08): B
(K29-0590-08): W
Knob(VOLUME)
(K29-0586-08): B
(K29-0591-08): W
Knob(CROSSOVER)
(K23-0542-08): B
(K23-0546-08): W
RCA JACK
(E63-0214-08)
Dressing plate
(A21-3340-08): B
(A21-3342-08): W
Chassis *
(A23-)
* Refer to parts list on page 7.
B : Black
W: White
SPECIFICATIONS
Push terminal
(E70-0205-08)
Grille ass'y for M type of white(SW-305-W) is B06-1490-08.
background image
70%
Type .........................Subwoofer system with built-in amplifier
(Magnetically shielded)
[Amplifier]
Rated Output Power ........100 W RMS, 30 Hz ~ 200 Hz, 4
Phase Switching ..................................NORMAL, REVERSE
Input Sensitivity & Input Impedance
RCA-type pin-plug jack .............................100 mV /12 k
200 mV /12 k
(MONO Input)
Push-type terminals ......................................1.7 V /15 k
[Speaker]
Enclosure ..........................Bass-Reflex, Floor Standing Type
Speaker Unit ......................................200 mm (8") Cone type
Nominal Impedance ..........................................................4
[General]
Rated Power Consumption ............................................90 W
Dimensions ................................Width : 250 mm (9-13/16")
Height
: 422 mm (16-5/8")
Depth : 408 mm (16-1/16")
Net Weight ....................................................12.2 kg (26.9 lb)
KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be
changed without notice.
· Sufficient performance may not be exhibited at extremely cold locations (where water freezes).
Notes
POWER SUBWOOFER
SW-305-B/305-W
SERVICE MANUAL
© 2000-10/B51-5673-00 (K/K) 2275
CROSSOVER
60Hz
200Hz
VOLUME CONTROL
POWER
MIN
- ON ­ OFF
PHASE
­ NORMAL - REVERSE
MAX
LINE
(MONO)
FROM
AMPLIFIER
INPUT
INPUT
TO
SPEAKERS
OUTPUT
+
R
-
+
R
-
R
+
-
+
-
R
L
L
L
R
R
R
Grille ass'y
(B06-1490-08): B
(B06-1502-08): W
AC power cord *
(E30-)
Button(POWER)
(K29-0585-08): B
(K29-0589-08): W
Button(PHASE)
(K29-0583-08): B
(K29-0590-08): W
Knob(VOLUME)
(K29-0586-08): B
(K29-0591-08): W
Knob(CROSSOVER)
(K23-0542-08): B
(K23-0546-08): W
RCA JACK
(E63-0214-08)
Dressing plate
(A21-3340-08): B
(A21-3342-08): W
Chassis *
(A23-)
* Refer to parts list on page 7.
B : Black
W: White
SPECIFICATIONS
Push terminal
(E70-0205-08)
Grille ass'y for M type of white(SW-305-W) is B06-1490-08.
background image
SW-305-B/305-W
2
CONTENTS / ACCESSORIES
SPECIFICATIONS ......................................Front cover
CONTENTS / ACCESSORIES .................................. 2
PC BOARD ................................................................ 3
SCHEMATIC DIAGRAM ............................................ 4
EXPLODED VIEW ......................................................6
PARTS LIST................................................................7
Contents
Pin-plug cord (1)
(E30-5860-08)
AC plug adaptor (1)
(E03-0115-05)
* 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
background image
AC
E
BD
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD (Component side view)
3
11
10
FUSE2
FUSE1
TRANS
CHANGE SW
CONE
CONLED
G2
G1
CONA-1
R224
R221
R220
C212
R222
R223
RCA
8
C121
R123
J12
J9
J2
J1
J10
1
8
C120
R112
R113
R203
R202
R204
R205
R212
R121
R120
R117
R116
R213
C211
R102
R104
R105
R103
R108
R107
R109
R211
R240
J13
J18
C132
SP
RELAY
R164
C139
TH
R254
R259
J23
J17
R241
R263
R260
R262
R261
C102
R201
R101
HI
R214
R216
R215
J5
J11
R122
5
4
1
C201
R210
R110
J4
J3
C101
J6
C104
C230
R231
R232
1
1
R125
C125
R124
R111
C124
R207
C204
C203
R206
R106
C103
R209
R208
4
4
5
5
R242
R130
R132
R142
J14
C131
J21
R149
R139
J22
R143
R136
R135
J15
R163
R162
C241
J16
J19
C2
CA
C240
C12
J28
J29
J30
C261
L1
L2
C11
C1
2
8
POWER
R257
C3
C4
R258
R255
R256
R251
I
1
5
GO
GI
O
R252
C252
R253
C251
R161
C134
J27
J26
J25
R140
R146
R138
J20
18
C133
C260
R152
E
E
B
B
BE
E
SG
B
D
E
B
B
E
B
B
B
B
B
B
E
B
E
E
E
B
E
E
B
B
E
E
B
B
E
E
E
E
E
B
A
B
E
K
J24
R144
R151
R147
R150
R145
R148
6
1
R137
R141
8
8
C202
8
5
C5
C6
81
1
13
12
2
2
1
1
31
31
9
4
1
9
1
C122
R118
J8
R217
J7
C50
R10
POWER SW
AC
CORD
VR1
VR2
D10
IC101
SW1
SW4
IC4
IC1
IC2
IC3
D4
D202
CON2
CONA
CON
ZD12
ZD11
Q202
Q201
D201
IC5
IC102
Q215
D23
D5
Q211
Q214
Q213
Q212
Q116
Q108
D101
Q107
D103
Q218
D102
Q217
Q109
Q216
Q103
Q105
Q101
Q104
Q102
Q106
Q111
D1
Q110
background image
GI
FH
J
AC
E
BD
2
1
3
5
7
4
6
IC101
IC102
SW-305
LEFT
L OUT(+)
L IN(+)
L IN(-)
L OUT(-)
IC1(1/2)
R OUT(-)
R IN(+)
R OUT(+)
RIGHT
R IN(-)
IC1(2/2)
(1/2)
IC2
(2/2)
IC4(1/2)
DZ12
DZ11
IC4
IC3
D201
D202
IC3(2/2)
D4
Q101
Q102
Q103
Q104
D101
D102
Q105
Q106
Q107
Q111
Q110
D103
Q108
Q109
Q212
Q213
Q215
Q214
Q211
D1
D10
D5
Q216
DZ3
SW2
POWER
B LINE
B LINE
GND LINE
SIGNAL LINE
IC1-4
: BA4558
IC5
: BA4558N
IC101
: TA78012AP
IC102
: TA79012S
Q101,103,107,116,201,
213
: KTC3198Y
Q102,104,202,212
: KTA1266(Y)
Q105,214
: KTA1023Y
Q106,211,217,218
: KTC1027Y
Q108
: KTD600K
Q109
: KTB631K
Q110
: 2SC3284
Q111
: 2SA1303(Y)
Q215
: 2N7000
Q216
: P4M
D1
: KBL10
D4,101-103,201,202
: 1N4148
D5
: 1N4001
D10
: DB102
DZ11,12 : MTZJ3.3B
DZ3
: MTZJ12B
IC5
IC2
(1/2)
(1/2)
(2/2)
Q202
Q201
Q217
Q218
Q116
SP1
SW3
LINE
SW1
LED
CON
CON2
CONA1
CONA
CONLED
CONE
100K(B)
VR1
4.7u50
+
C102
220u50
+
C101
180K
R103
R102
15K
100 5W
R101
R104
13K
2.2K
R105
56K
R106
470P
C103
3
2
8
1
1K
R107
47u16
C104
+
2.2K
R108
1K
R109
6
100 5W
220u50
13K
R204
+
R202
R201
15K
R203
C201
180K
47u16
1K
470P
C203
R206
56K
C204
R207
+
2.2K
R208
4.7u50
+
C202
R205
2.2K
5
7
4
2
3
1
8
10K
R110
1K
R112
47u16
C120
+
3
2
8
1
R209
1K
10K
R210
10K
R232
47u16
C230
+
10K
R231
6
5
7
4
R113
10K
R123
1K
0.18
C124
5.6K
R124
0.1
C125
180K
R125
3
2
8
1
10K
R116
10K
R117
R118
10K
10K
R111
10K
R120
20K
R121
0.056
C121
R122
20K
7
6
5
4
0.027
C122
2
3
8
1
R211 4.7K
220K
R212
470P
C211
4.7K
R213
5
6
4
7
3.3K
R223
1K
R215
10K
R214
10K
R216
10K
R217
2.7M
R221
1K
R220
47u16
C212
+
10K
R222
3.3K
R224
1
2
3
4
5
6
1
2
3
4
5
6
C5
0.1
C6
0.1
6.2K
R141
100
R136
100
R139
6.2K
R142
100
R137
100
R140
47P
C132
82P
C134
220
R143
82P
C133
220
R146
1K
R135
1K
R138
2.4K
R145
3.3K
R144
0.22
R152
0.22
R151
4.7K
R161
22K
R162
220
R147
5.1K
R148
22
R150
OUT
GND
IN
GND
IN
OUT
15K
R253
10u16
+
C251
5.6K
R251
10K
R255
THERMOSTAT
MCP-002-51
100K
R257
10u16
C252
+
4.7K
R252
120K
R256
470K
R258
4700u63
C2
+
4700u63
C1
+
L2
C261
0.1
R259
10K
C240
100u16
+
L1
TRANSFORMER
T2.5AL 250V
T1.25AL 250V
10K
R260
1K
R241
10K
R262
10K
R261
10u16
+
C260
0.1
C139
4.7
R164
910
R149
100u16
+
C131
27K
R242
100 1W
R254
0.1
C241
SELECTOR
560
R163
0.01
C50
1.8M 1/2W
R10
SP-
SP+
B
+B
1K
R130
470u16
C3
+
C4
470u16
+
51K
R263
10K
R132
470u16
+
C12
470u16
+
C11
FUSE1
FUSE2
RELAY
5W
5W
1W
AUSTRALIA
EUROPE
U.K.
E
X
T
DESTINATION
COUNTRY
U.S.A.
CANADA
GENERAL MARKET
PX
ABB.
M
Y
P
K
YES
NO
F1
YES
NO
F2
NO
YES
SW3
NO
POWER
: AC240V~ 50Hz
: AC230V~ 50Hz
(X)
(T,E)
: AC110-120V/220-240V~
: AC120V 60Hz
50/60Hz
(K,P)
(Y,M)
AC110-
120V
240V
AC220-
VOLTAGE
120V
240V
B
+B
+B
+B
+B
B
+B
B
B
+B
B
+B
+B
B
+B
B
+B
B
B
+B
+B
B
36
5
4
2
1
12
3
4
6
5
8
7
78
9
9
50K(C)
VR2A
VR2B
50K(C)
12
3
12
2
13
12
7
7
8
8
1K
R240
8
7
8
7
B
5
4
3
2
1
1
2
1
2
3
1
2
3
2
1
2
1
PHASE
0V
0V
0V
0V
0V
0V
15.0V
0V
0V
0V
15.0V
-15.6V
14.9V
2.7V
0V
0.6V
-15.6V
-15.6V
7.8V
14.9V
1.0V
0V
0V
-1.1V
0.2V
43.0V
0V
42.0V
-42.0V
-0.6V
-0.6V
0.6V
0.6V
0.6V
0V
-42.5V
-0.2V
18.0V
-43.0V
-18.0V
7.2V
15.0V
2.6V
3.0V
3.0V
7.2V
0V
0.7V
9.5V
0V
42.5V
43.0V
-43.0V
0.2V
0.5V
12.5V
13.2V
0.2V
-0.5V
1.1V
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.
SW-305-B/305-W
Y19-5750-10
2SA1303
2SC3284
BA4558
BA4558N
background image
ADP
SW-305
M,Y only
A
B
D
E
F
G
H
J
K
L
N
P
:N50-3008-45
:N50-3010-45
:N50-4018-45
:N50-4014-45
:N30-4012-45
:N50-3006-45
:N30-3005-45
:N50-2608-45
:N15-0030-46
:N11-0040-46
:N30-3010-45
:N11-0030-46
3x8 (BLK)
3x10 (BLK)
4x18 (BLK)
4x14 (BLK)
M4x12 (BLK)
3x6 (BLK)
M3x5 (BLK)
2.6x8 (BLK)
WASHER ( 3)
M4 (NUT)
M3x10 (BLK)
M3(NUT)
Jx2
Jx2
Jx2
Ax2
Ax2
Bx2
Bx2
Bx2
G
G
Kx2
Px2
Gx2
Gx2
Hx2
Gx3
Gx3
Dx2
Dx2
A
Ax2
Nx2
Fx2
Lx2
Px2
Lx2
Ax3
Ax3
Fx2
Dx12
Ex4
Bx2
Hx2
Bx2
630
617
618
608
614
622
623
601
620
605
625
SW3
607
SP1
609
713
SW1
PHASE
731
732
724
727
729
715
711
734
733
734
734
728
732
728
621
VR1
VOLUME
VR2
CROSSOVER
SW2
POWER
1
2
A
C
B
Parts
with
exploded
numbers
larger
than
700
are
not
supplied.
EXPLODED
VIEW
6
SW
-305-B/305-W

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