JVC SP-PW100 - Service Manual

SERVICE MANUAL
No.21106
May. 2002
COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD.
SP-PW100
POWERED SUBWOOFER
Safety precautions
Disassembly method
Description of major ICs
1- 2
1- 3
1- 7~8
Contents
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SP-PW100
Area suffix
UP ---------------- Korea

JVC SP-PW100 Specifications

General

Dimensions	14.25 x 13.38 x 15.75 inches
Weight	33.1 lbs
Enclosure Type	Bass Reflex
Type	Active Subwoofer
Power Output	100W

Summary

Safety Precautions

Safety Warnings and Precautions

General safety guidelines, warnings, and cautions for product handling and service.

Disassembly Method

Removing the Front Net

Removing the Woofer Speaker

Removing the Amplifier Box

Removing the Amplifier Board

Removing the Power Transformer

Major IC Descriptions

STK411-290 E (IC821) Front Power Amplifier

Details and schematic for the STK411-290E front power amplifier IC.

NJM4580 D (IC811-813) Dual Op-Amp

Pin layout and block diagram for the NJM4580D dual operational amplifier ICs.

TC74 HCU04 AP (IC851) 2 Ch NOR Gate

Pin layout, block diagram, and truth table for the TC74HCU04AP NOR gate IC.

System Diagrams and Circuit Boards

Overall Block Diagram

A high-level overview illustrating the JVC SP-PW100 system architecture.

Standard Schematic Diagram

Detailed electrical schematic illustrating the product's circuit design.

Assembly, Parts, and Electrical Lists

Amplifier Assembly Parts List

Electrical Parts List (Main Board)

List of electrical components used on the main circuit board.