Genius SP-i160 Service Manual Download Page 5

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Service Guide

SP-i160

Chapter 1. How to Handle Defective Returns

1.1 Overview

Receiving Defective speakers from

Customers

Function NG

__ __

Analyzing possible malfunction

causes

Function NG

Deciding & proceeding the

rectification methods

Function OK

Replace necessary defective parts

Function OK

Return the speakers with proper
repackaging to customers

Version : 1.0

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Summary of Contents for SP-i160

Page 1: ...Service Guide SP i160 SERVICE GUIDE KYESYSTEMS CORP SP i160 Version 1 0 Page 1 of 14 ...

Page 2: ...Service Guide SP i160 Version 1 0 Revision History Version Date Change 1 0 15 01 2010 Version 1 0 Page 2 of 14 ...

Page 5: ... Defective speakers from Customers Function NG __ __ Analyzing possible malfunction causes Function NG Deciding proceeding the rectification methods Function OK Replace necessary defective parts Function OK Return the speakers with proper repackaging to customers Version 1 0 Page 5 of 14 ...

Page 6: ...Service Guide SP i160 1 2 Problems Item Problem Description 1 2 1 No sound Line in jack no function 1 2 2 Power LED indicator no light 1 2 3 Li ION battery can t charge Version 1 0 Page 6 of 14 ...

Page 7: ... the problems 1 2 1 One or more channels no sound Line in jack no function Problem No sound Analyzer and Identify the Causes Broken or short circuit Defective U1 U4 Speaker cable dis connect JACK1 or JACK2 defective or speaker damaged Solutions Check solder points on PCB CheckandReplace defective IC Re connect speaker cable or replace defective speaker s Version 1 0 Page 7 of 14 ...

Page 8: ...witch or LED defective Defective J1 Solutions Re solder or replace defective component s 1 2 3 The Li ION Battery can t charge Problem The Li ION battery can t charge Analyzer and Identify the Causes Broken or short circuit U2 Battery Solutions Check solder points on PCB Check and Replace defective components Version 1 0 Page 8 of 14 ...

Page 9: ... 2 Specifications NO Description Unit Specifications 1 Out Power at THD 10 W 1 8 2 Sensitivity mV 600 50 3 Freq Response 1KHz 3dB Hz 180 20K 10 4 Separation dB 40 5 S N ratio dB 80 6 Hum Noise Vol max mV 2 Version 1 0 Page 9 of 14 ...

Page 10: ...Service Guide SP i160 Chapter 3 Block Diagram Audio Tone Control Volume Control L CH Speaker A Power i Ac in Conditioner Version 1 0 Page 10 of 14 ...

Page 11: ...Service Guide SP i160 Chapter 4 Exploded View Version 1 0 Page 11 of 14 ...

Page 13: ...Service Guide SP i160 Chapter 6 Schematic Diagram Pls refer to next page Version 1 0 Page 13 of 14 ...