Download
Share
Print this page
JVC SX-DW303 Service Manual
  1. Manuals
  2. Brands
  3. JVC Manuals
  4. Subwoofer
  5. SX-DW303
  6. Service manual

JVC SX-DW303 Service Manual

Powered subwoofer
Hide thumbs Also See for SX-DW303:
1
2
3
4
5
6
7
8

Advertisement

Quick Links

Download this manual
SERVICE MANUAL
POWERED SUBWOOFER
SX-DW303
Contents
Safety precautions
Disassembly method
Description of major ICs
COPYRIGHT
2002 VICTOR COMPANY OF JAPAN, LTD.
SX-DW303
Area Suffix
E --- Continental Europe
1- 2
1- 3
1- 6~7
No.21177
Oct. 2002

Advertisement

loading

Related Manuals for JVC SX-DW303

Summary of Contents for JVC SX-DW303

  • Page 1 SX-DW303 SERVICE MANUAL POWERED SUBWOOFER SX-DW303 Area Suffix E --- Continental Europe Contents Safety precautions 1- 2 Disassembly method 1- 3 Description of major ICs 1- 6~7 No.21177 COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD. Oct. 2002...
  • Page 2 SX-DW303 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be performed by qualified personnel only.

  • Page 3: Disassembly Method

    SX-DW303 Disassembly method Removing the amplifier assembly (See Fig. 1, 2) Remove the eleven screws A attaching the amplifier assembly. Remove the amplifier assembly to the front from the cabinet. Remove the connection of the wire connector at the back side of the amplifier assembly.

  • Page 4: Removing The Power Cord

    SX-DW303 Removing the power cord (See Fig.4, 5) Prior to performing the following procedures, remove the rear panel. Remove the two screw marked C attaching the bracket a. Pull out the bracket a toward you. Remove the connection of the wire connector...
  • Page 5 SX-DW303 Removing the Bottom plate (See Fig.7, 8) Remove the three sheets of the cushion sheet marked G. Remove the six screws marked H attaching the bottom plate. Remove the two screws marked I attaching the bottom plate. Bottom Pull out the bottom plate toward you.

  • Page 6: Description Of Major Ics

    SX-DW303 Description of major ICs BA15218F (IC101, 102, 103, 104, 501) : Dual op. amp. 1. Pin layout / Block diagram OUT1 1 8 Vcc -IN1 2 7 OUT2 +IN1 3 6 -IN2 VEE 4 5 +IN2 BU4584BF (IC505) : CMOS 1.
  • Page 7 SX-DW303 TC74HC00AF (IC503) : CMOS 1. Pin layout / Block diagram TC74HC14AF (IC504, IC571) : CMOS 1. Pin layout / Block diagram NJM311M (IC502) : Comparator 1. Pin layout (TOP VIEW) +INPUT OUTPUT -INPUT BAL/STROBE...
  • Page 8 SX-DW303 VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan (No.21177) 200210...