JVC SP-DW103 - Service Manual

SERVICE MANUAL
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED
No.22056
2003/6
POWERED SUBWOOFER
2205620036
SP-DW103
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
5 TROUBLE SHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Area suffix
B ------------------------------- U.K.
E ----------- Continental Europe

JVC SP-DW103 Specifications

General

Type	Active Subwoofer
Enclosure Type	Bass Reflex
Input Type	Line Level
Power Output	100W
Driver Size	10 inches

Summary

Product Specifications

Safety Precautions

Safety Precautions, Warnings, and Critical Parts

Covers general safety, warnings, cautions, and critical component identification.

Service Instructions and Procedures

Specific Service Instructions

States that specific service instructions are not provided in this manual.

Disassembly Method

Step-by-step guide for disassembling the unit's components.

Adjustment Procedures

States that adjustment procedures are not provided in this manual.

Troubleshooting Guide

States that troubleshooting procedures are not provided in this manual.

Description of Major Integrated Circuits (ICs)

AN79 L05-T (IC592) Voltage Regulator

Pin layout and block diagram for the AN79L05-T regulator.

BA15218 F-XE Dual Operation Amplifier

Pin layout and block diagram for the BA15218F-XE dual op-amp.

BU4584 BF-X Hex Schmitt Inverter

Pin layout and block diagram for the BU4584BF-X hex schmitt inverter.

IR2113 S-X Gate Driver

Pin layout and block diagram for the IR2113S-X gate driver.

NJM311 M-XE Comparator

Pin layout for the NJM311M-XE comparator.

NJM78 L05 A-T Voltage Regulator

Pin layout and block diagram for the NJM78L05A-T regulator.

STR-F6676 Switching Regulator

Pin layout and block diagram for the STR-F6676 switching regulator.

TC74 HC00 AF-W Quad 2-input NAND Gate

Pin layout and block diagram for the TC74HC00AF-W NAND gate IC.

TC74 HC14 AF-X Hex Schmitt Inverter

Pin layout and block diagram for the TC74HC14AF-X hex schmitt inverter.

Schematic Diagrams

Block Diagrams

Visual representation of the system's functional blocks.

Standard Schematic Diagrams

Detailed electrical circuit schematics for the unit.

Printed Circuit Board Layouts

Visual layouts of the internal printed circuit boards.

Parts Lists and Exploded Views

Exploded View of Amplifier Assembly and Parts

Illustrated breakdown of the amplifier section with component details.

Exploded View of Speaker Assembly and Parts

Illustrated breakdown of the speaker section with component details.

Electrical Parts List

Comprehensive list of electrical components with part numbers and descriptions.

Packing Materials and Accessories List

List of packaging components and included accessories.