Genius SP-HF1100X Manuel utilisateur

Service Guide SP-HF1100X

Version 1.0 Page 1 of 14

SERVICE GUIDE

KYE SYSTEMS CORP

Service Guide SP-HF1100X

Version 1.0 Page 2 of 14

SP-HF1100X

Version:1.0

Revision History

Version Date Change

1.0 2008/03/06

Service Guide SP-HF1100X

Version 1.0 Page 3 of 14

Table of Contents

RevisionHistory 2

TableofContents 3

GettingStarted 4

Conventions Used in this Guide 4

SafetyPrecautions 4

Chapter 1. How to Handle Defective Returns 5

1.1Overview 5

1.2Problems 6

1.2.1 L/R channels no sound 7

1.2.2No power 8

Chapter 2. Specifications R / L 9

Chapter 3. Block Diagram 10

Chapter 4. Exploded View R / L 11

Chapter 5. Part List 12

Chapter 6. Schematic Diagram 13

Chapter 7. Important Notes 14

7.1 Packing Requirement for Sending the PCB Assembly by post 14

7.2 Short of Spare Parts while Repairing a Speaker system 14

Service Guide SP-HF1100X

Version 1.0 Page 4 of 14

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 dissipation.

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 SP-HF1100X

Version 1.0 Page 5 of 14

Chapter 1. How to Handle Defective Returns

1.1 Overview

Receiving Defective speaker form customers

Analyzing possible

malfunction causes

Deciding & proceeding the

rectification methods

Replace necessary

defective

arts

Return the speakers with proper

acka

to customers

Verifying problems

proceeding

necessar

tests

Proceeding tests to

verify if the speaker is

functionin

normall

Function OK

Function NG

Function OKFunction NG

Service Guide SP-HF1100X

Version 1.0 Page 6 of 14

1.2 Problems

Item Problem Description

1.2.1 L/R channels no sound

1.2.2 NO power

Service Guide SP-HF1100X

Version 1.0 Page 7 of 14

* Attention

Please follow the numbered sequence marked within parenthesis given in individual

Flow chat, in that this is the best-recommended sequence to rectify the problems.

1.2.1 L/R channels no sound

Problem

Analyze and

Identify the Causes

Solutions

L/R channels no sound

Broken or short circuit

Check solder points on

PCB

Defective

U1,U2,VR1,VR2,VR3,

C1,C3,C21,C22,L1,L2,

PHONE1,CON3

Speaker cable dis-connect or

speaker damaged

Re-connected speaker cable

or replace defective speakers

Check and replace

defective IC or

components

Service Guide SP-HF1100X

Version 1.0 Page 8 of 14

1.2.3 No power

Problem

Analyze and

Identify the Causes

Solutions

No power

Broken or short circuit

Check solder points on

PCB

Defective

D1,D2,D3,D4, SW1,

Transformer

Speaker cable dis-connect or

speaker damaged

Re-connected speaker cable

or replace defective speakers

Check and replace

defective components

Service Guide SP-HF1100X

Version 1.0 Page 9 of 14

Chapter 2. Specifications

R/L (AT 1KHZ):

NO Description Unit Specifications

1 Out Power at THD 10% W >14

2 Sensitivity mV 800 ± 50

3 Freq Response (Ref:-3dB) Hz 20~20K

4 Separation dB > 30

5 S/N ratio dB > 78

6 Hum & Noise Vol:max mV <5

Service Guide SP-HF1100X

Version 1.0 Page 10 of 14

Chapter 3. Block Diagram

Table des matières

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