Genius SW-2.1 850 Service Manual

Service Guide SW-2.1 850

Version 1.0 Page 1 of 16

SERVICE GUIDE

KYE SYSTEMS CORP

SW-2.1 850
Version:1.0

Service Guide SW-2.1 850

Version 1.0 Page 2 of 16

Revision History

Version Date

Change

1.0 10/07/2005

Service Guide SW-2.1 850

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Table of Contents

Revision History 2
Table of Contents 3
Getting Started 4

Conventions Used in this Guide 4
Safety Precautions 4

Chapter 1. How to Handle Defective Returns 5

1.1 Overview 5

1.2 Problems 6

1.2.1 Satellite L/R channels no sound 7

1.2.2 Woofer channel no sound 8

1.2.3 Woofer no power 9

Chapter 2. Specifications 10
Chapter 3. Block Diagram 11
Chapter 4. Exploded View Host(Woofer) 12

Satellite 13
Chapter 5. Part List 14
Chapter 6. Schematic Diagram 15

Chapter 7. Important Notes 16

7.1 Packing Requirement for Sending the PCB Assembly by post 16

7.2 Short of Spare Parts while Repairing a Speaker system 16

Service Guide SW-2.1 850

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Getting Started

Conventions Used in this Guide

Pay Special Attention: Instructions that are important to remember and may
prevent mistakes.

Caution: Information that, if not followed, may result in damage to the
product.

Safety Precautions

The following precautions should be observed in handling the speaker

described in this guide:
Place the speakers on a flat, level and stable surface.
Do not place the speakers in environments subject to mist, smoke,

vibration, excessive dust, salty or greasy air, or other corrosive gases and

fumes.
Do not drop or jolt the speakers.
Do not allow anything to drop into the subwoofer case through its

ventilator, as it could result in fatal electric shock or fire.
Place the unit far enough from other equipments for good heat dissip ation.
Disconnect the AC power cord from the AC outlet before performing any

maintenance on the speakers.
Do not perform any maintenance with wet hand.
Prevent foreign substances, such as water, other liquids or chemical, from

entering the speakers while performing maintenance procedures on the

speakers.

Service Guide SW-2.1 850

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Chapter 1. How to Handle Defective Returns

1.1 Overview

Receiving Defective speaker form cust omers

Analyzing possible
malfunction causes

Deciding & proceeding the
rectification methods

Replace necessary
defective

p

arts

Return the speakers with proper
re

p

ackaging to customers

Verifying problems
proceeding
necessar

y

tests

Proceeding tests to
verify if the speaker is
functionin

g

normall

y

Function OK

Function NG

Function OKFunction NG