Kenwood SW-305B, SW-305W Service Manual
70%
Notes
POWER SUBWOOFER
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
SW-305-B/305-W
SERVICE MANUAL
© 2000-10/B51-5673-00 (K/K) 2275
Button(PHASE)
(K29-0583-08): B
(K29-0590-08): W
Button(POWER)
(K29-0585-08): B
(K29-0589-08): W
Dressing plate
(A21-3340-08): B
(A21-3342-08): W
Knob(VOLUME)
(K29-0586-08): B
(K29-0591-08): W
Knob(CROSSOVER)
(K23-0542-08): B
(K23-0546-08): W
Push terminal
(E70-0205-08)
RCA JACK
(E63-0214-08)
Chassis *
(A23-)
Grille ass'y
(B06-1490-08): B
(B06-1502-08): W
Grille ass'y for M type of white(SW-305-W) is B06-1490-08.
SPECIFICATIONS
Type .........................Subwoofer system with built-in amplifier
(Magnetically shielded)
[Amplifier]
Rated Output Power ........100 W RMS, 30 Hz ~ 200 Hz, 4 Ω
Phase Switching ..................................NORMAL, REVERSE
Input Sensitivity & Input Impedance
RCA-type pin-plug jack .............................100 mV /12 kΩ
200 mV /12 kΩ (MONO Input)
Push-type terminals ......................................1.7 V /15 kΩ
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).
AC power cord *
(E30-)
* Refer to parts list on page 7.
B : Black
W: White
[Speaker]
Enclosure ..........................Bass-Reflex, Floor Standing Type
Speaker Unit ......................................200 mm (8") Cone type
Nominal Impedance ..........................................................4 Ω
[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)
SW-305-B/305-W
CONTENTS / ACCESSORIES
Contents
SPECIFICATIONS ......................................Front cover
CONTENTS / ACCESSORIES .................................. 2
PC BOARD ................................................................ 3
SCHEMATIC DIAGRAM ............................................ 4
EXPLODED VIEW ......................................................6
PARTS LIST................................................................7
Accessories
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)
2
ACEBD
11
10
FUSE2
FUSE1
TRANS
CHANGE SW
CONE
CONLED
G2G1
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
41
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
GIO
R252
C252
R253
C251
R161
C134
J27
J26
J25
R140
R146
R138
J20
18
C133
C260
R152
EEB
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
3131
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
PC BOARD (Component side view
1
2
3
4
5
6
7
Refer to the schematic diagram for the value of resistors and capacitors.
)
3
Loading...