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For Japan model


Ver. 1
SERVICE MANUAL
MODEL DSW-3.1
SUPER WOOFER




For purposes of improvement, specifications and
design are subject to change without notice.
8


Please use this service manual with referring to ,
the operating instructions without fail.



Some illustrations using in this service manual are ,
slightly different from the actual set.




16-11, YUSHIMA 3-CHOME, BUNKYOU-KU, TOKYO 113-0034 JAPAN


S-1132V.01 DE/CDM 0307
SAFETY PRECAUTIONS
The following check should be performed for the continued protection of the customer and service technician.

LEAKAGE CURRENT CHECK
Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis
resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the
power cord is less than 460 kohms, the unit is defective.
LEVEL DIAGRAM
IC601



IC501 IC503 IC504 POWER SWF SP
SWF AMP
BLOCK DIAGRAM




HPF LPF ALC

IC602 POWER AMP CENTER
CENTER OUT
Standby
Trans


IC502 IC505
SL SL OUT




+12V -12V
SR SR OUT For IC501,IC502,
IC401


IC401 AC Relay


Main Trans
Multi- Protection
Auto on/off vibrator Relay


+27V
+15V

Thermal DC Over Current
Protector Protector Protector -15V
-27V
Only major IC's are shown,generai IC's etc. are omitted to list.




IC's
PRINTED WIRING BOARD (1/2)
1 2 3 4 5 6 7 8

COMPONENT SIDE
Parts List

A




B




C




D




E
PRINTED WIRING BOARD (2/2)
1 2 3 4 5 6 7 8

FOIL SIDE
Parts List

A




B




C




D




E
NOTE FOR PARTS LIST
l Part indicated with the mark " " are not always in stock and possibly to
take a long period of time for supplying, or in some case supplying of
part may be refused.
l When ordering of part, clearly indicate "1" and "I" (i) to avoid mis-
supplying.
l Ordering part without stating its part number can not be supplied.
l Part indicated with the mark " " is not illustrated in the exploded view.
l Not including Carbon Film Resister