Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood Subwoofer Subwoofer Kenwood SW-303 SW-303
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A B C D E F G H I J K L M N O
(Y) TYPE
R102 C107 POWER SW
LINE JK101 1K 4.7u50 R528
1 ON OFF
R511
220u63
R509
R513
INPUT + FR505
12K
C521
SW901
56
56
+
4.7u50
C101
75K
C102
R106 C103
220P
680 100P
47 1/4W 0V
+ R712 46.3
R108 Q529 Q531 Q509 4.7K Q702
R526
10K
C131 47u16
100K Q701,702
R105 47K
2.2u50
+ CAUTION: For continued safety, replace safety
D102
C705
R711
R710
D103
LIMIT
10K
CN501 RB501
1K
C129 critical components only with manufacturer's rec-
+ 0.0V C511 RL501 2 1
C105 0.1 0V 1 1 CN903 ommended parts (refer to parts list). indicates
100P -46.3V 220P 2 1
R109 R110 -0.7V 2 2 safety critical components. For continued protec-
5.6K 8.2K 0.9V
Q503 Q505
tion against risk of fire, replace only with same type
D701
D704
R107 0V +
C704
R709
11 -14.7V
46.3V 3 3
1u50
2.7K
and rating fuse(s). To reduce the risk of electric
ZD507
4 3
0V
0V
0V
R121
1M -0.6V F901
14 0V
24K
R708 CN902 C902 shock, leakage-current or resistance measure-
-1.3V 0V R529 C525 250V T 1.6A 0.01
SP-WOOFER ments shall be carried out (exposed parts are
13
12
10
R111 100
330 2P 47K 2
22u16 R707 0V
9
8
R703
240K
2
1.1V 0.7V Q701 D702 acceptably insulated from the supply circuit) before
IC101 Q501A Q501B R517 the appliance is returned to the customer.
33K
R706 1
0.47u50
22K F904
R525 C531
0V 75K
C503
R503
0.01
22K
C112
CN904
0.1
220 1W
C505 C507 C513 250V T 1.6A
R713
+
C703
R705
22K
+ 3 The DC voltage is an actual reading measured
14.9V 100P 100P 22P
C515 R515
SW101 0V with a high impedance type voltmeter with no sig-
220u10 1K
1W
4.7
CROSSOVER nal input. The measurement value may vary
JUMP
C108
SW902
10u16
FILTER SW +
R501
C702
R704
1
47 1/4W
2.2K
depending on the measuring instruments used or
2
3
5
6
4
7
56K
FR503
+
0V 0V RELAY on the product.
CROSSOVER 0V DRIVER IC701 DRIVE
R115
2.7K
C130 47u16
R104
R101 330K
4.7u50
C501
100 R112
100K(B)
ON OFF
VR102
+
FLOP
OVER LOAD VCC ON
FLIP-
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