Text preview for : SW-26HT.pdf part of Kenwood SW-26HT Kenwood Powered Subwoofer Powered Subwoofer Kenwood SW-26HT SW-26HT.pdf



Back to : SW-26HT.pdf | Home

POWERED SUBWOOFER

SW-26HT/26HT-S
SERVICE MANUAL
2002-8 PRINTED IN KOREA
B51-5812-00 (K/K) 495



Grille ass'y
(B06-1625-08) SW-26HT RCA jack SW push Control rotary Control rotary
(B06-1627-08) SW-26HT-S (E63-0213-08) (S68-0203-08) (R31-0418-08) (R31-0419-08)




Led Fuse holder AC power cord
(B30-1832-08) (J13-0212-08) (E30-5998-08): E
Switch rocker (E30-7003-08): T
(S66-0204-08) AC power cord bushing
(J42-0243-08)




SPECIFICATIONS
Type ...................................Subwoofer system with built-in amplifier Speaker Units ................................160 mm (6-1/2") Cone type
Nominal Impedance ............................................................4
[Amplifier] Dimensions ....................................Width : 290 mm (11-7/16")
Rated Output Power .....................50 W RMS (100 Hz, 0.1%, 4 )
Height : 300 mm (11-13/16")
Input Sensitivity & Input Impedance ....................100 mV / 43 k
200 mV / 43 k (MONO) Depth : 420 mm (16-9/16")
Rated Power Consumption ....................................................50 W Net Weight ..........................................................10 kg (22.0 lb)
Supplied accessories
[Speaker] Pin-plug cord ................................................................1
Enclosure ...................................Bass-Reflex, Floor Standing Type
Cushion ........................................................................4


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). 70%
SW-26HT/26HT-S
CONTENTS / ACCESSORIES
Contents
SPECIFICATIONS ....................................Front cover SCHEMATIC DIAGRAM ...........................................4
CONTENTS / ACCESSORIES .................................2 EXPLODED VIEW ....................................................6
PC BOARD ...............................................................3 PARTS LIST ..............................................................7




Accessories

Pin-plug cord (1) Cushion (4)
(E30-5964-08) (G13-1141-08)




2
A B C D E



PC BOARD(Component side view)
1




CROSSOVER LINE OUTPUT




R184
C146
C147
P2

P501 C601
Q603 F951




C140
C605
VR102 CN105 T0.63AL 250V
B E 1




CN951
R611 JK103
2 LD101 1
C604
Q604 Q605
Q602 1 9
E B R183 3
2
R610
B E




F952
R605




R604




CN103B
C603

E B R139 T0.63AL 250V
R138
R606 R609




BD951
C602
E B Q102
JMP16
T1
R602




R140
C961
R136 C951 C952
R607
D601



R608




R951
E B




R137




C953




R952
C955
JMP17
R603 Q101
D602




Q110
Q601




R601 1 3 E B
B E
C138 C137 R157 C954 C958
JMP10 CN101
R158 C957 IC952
C409
C407




E C136
C135 IC951
JMP1




P4 P5 O




C956
3 JMP12 C119 C117




JMP15
JMP8 I G O I




C960
B R128 R127


T3.15AL 250V




T3.15AL 250V
R416




R152




G
C411



R129
R151




F901




F902
2 8 5
Q409 R130C153 R120 C959
BD101
JMP5
JMP3




R100
C412




C154




R131
R164
1 IC102




C118
ZD101 1
C131




JMP20
CN102 1 4
C112
B E




R132 D101
RL101




R113
L101 C121 R176
C122




C125
Q407
R134 R133
C102
D102




C123
R407

R405




C104 R135
P6 C106 6
R110 C120
ZD103 R126 RB104
C110
Q403




Q402




R104
LINE INPUT
E B E B C413 D104 C142




JK101
Q107
E B




R510 C133 R102 C114
R118
RL901
R161




R406 C408 C402 R124
C509 R122
JMP9




C410 R417
4 C111 C113
D105




R413 Q902


R103
Q401 C414 R162 RB103
Q404




R123
7 1
B E


R404
R412B
R415




Q109




E B R403 E B 9
R402




R154 B E C101




R116
C406 C403 IC101
C510
R414




D103 R155 B E R101
Q408
C507




R156 E B Q901 VR101 8 14
ZD401
JMP7




C505
Q108 D903 C149 C109
R125
E C132 JMP11
VOLUME
R401




C401 R168 C107
JMP6
C502 Q502 Q501 R115
R153




JMP4 R112
1 R114 R119
B E B E
B R505
JMP2




C504 1 R167 R117
C148
CN104




JMP19




R411 R514
R511 R515
Q406




1 8 C115 C116
R418 C124 C108
E B
IC501




R509 R504 R503 JMP14
Q405




R409 E B R507 R501 6
R408 C506 JMP18
R506 4 5
PHASE SW




R502 R181
C404 D401 C508 P3
5 R508 R513 R111
C405 R410 D502 SW102 R180
D501




6




7
Refer to the schematic diagram for the value of resistors and capacitors. 3
A B C D E F G H I J




12.5V R401
1 +30V
PHASE SW




C405
D401 R408


R409
1K 30.0V




ZD401




0.1
51


51
100u16
JK101




C401
R101 R103 C106 POWER




+
1/2W
10K 47K 4.7u50 SW102 C109 15V Q408




C404
L/MONO




100u25




0.1
4.7u50




0.002
C116


C115
+ VOLUME 29.4V




R126
C101




33
100P
+ L101




R111
SPK.




10K
SUB WOOFER




+
C108 VR101-A 1uH
Q405




R181
RELAY




100K


R119




0.22 5W
4.7K
LINE 4.7u50 10K(B)




R415
R402


R410
28.8V




6.2K
12K
INPUT + DRIVER RL101 CN102 RB102




C125
0