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Service Guide
SP-i150
SERVICE GUIDE
KYESYSTEMS CORP.
SP-i150
Version : 1.0
Page 1 of 14

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Summary of Contents for KYE Systems Corp. Genius SP-i150

  • Page 1 Service Guide SP-i150 SERVICE GUIDE KYESYSTEMS CORP. SP-i150 Version : 1.0 Page 1 of 14...
  • Page 2 Service Guide SP-i150 Version : 1.0 Revision History Version Date Change 15/01/2010 Version : 1.0 Page 2 of 14...
  • Page 3: Table Of Contents

    Service Guide SP-i150 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 No sound (Line in jack no function) …………..…7 1.2.2 Power LED (indicator) no light……...………..…8 1.2.3 The Li-ION battery can’t charge.…..….………….8 Chapter 2.
  • Page 4: Getting Started

    Service Guide SP-i150 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 :...
  • Page 5: Chapter 1. How To Handle Defective Returns

    Service Guide SP-i150 Chapter 1. How to Handle Defective Returns 1.1 Overview Receiving Defective speakers from Customers Function NG __ __ Analyzing possible malfunction causes Deciding & proceeding the Function NG rectification methods Function OK Replace necessary defective parts Function OK Return the speakers with proper repackaging to customers Version : 1.0...
  • Page 6: Problems

    Service Guide SP-i150 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 The Li-ION battery can’t charge Version : 1.0 Page 6 of 14...
  • Page 7 Service Guide SP-i150 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 One or more channels no sound (Line in jack no function) No sound Problem Speaker cable...
  • Page 8: The Li-Ion Battery Can't Charge

    Service Guide SP-i150 1.2.2 Power LED (indicator) no light Power LED (indicator) no light Problem Defective Power switch or LED Analyzer and defective Identify the Causes Re-solder or replace defective component(s) Solutions 1.2.3 The Li-ION Battery can’t charge The Li-ION battery can’t Problem charge Analyzer and...
  • Page 9: Chapter 2. Specifications

    Service Guide SP-i150 Chapter 2. Specifications NO. Description Unit Specifications ≧ ≧ ≧ ≧ 1.8 Out Power at THD 10% Sensitivity 600 ± 50 Freq. Response (1KHz -3dB) 180~20K ± 10% ≧ ≧ ≧ ≧ 40 Separation S/N ratio ≧ ≧ ≧ ≧ 80 ≦...
  • Page 10: Chapter 3. Block Diagram

    Service Guide SP-i150 Chapter 3. Block Diagram — — ► ► Tone Volume Audio Control Control L.CH Speaker Power Conditioner Page 10 of 14 Version : 1.0...
  • Page 11: Chapter 4. Exploded View

    Service Guide SP-i150 Chapter 4. Exploded View Version : 1.0 Page 11 of 14...
  • Page 12: Chapter 5. Part List

    Service Guide SP-i150 Chapter 5. Part List DESCRIPTION UNIT Part No. 31730954100 RS,ASM,SP-I150,HOST,BLACK 31730954101 RS,ASM,SP-I150,HOST,WHITE FSA510112-1402 Loud Speaker 1.25" 4 ohm 1~2W Rubber Pad(Φ25 X Φ20 X 1.0T), SP-i150 15400015100 ASL507003-0025 PCBA, SP-i150 IC, JRC NJM2761 RCI203101-0001 IC, T1 TPA2031D1 IC, LN,LN2054 FBY508037-0003 BATTERY, SP-i150...
  • Page 13: Chapter 6. Schematic Diagram

    Service Guide SP-i150 Chapter 6. Schematic Diagram Pls refer to next page Version : 1.0 Page 13 of 14...
  • Page 14 CN4P-USB SW-SPDT BEAD120 5V BEAD120 USB ON BAT ON 100uF LN2054 BLUE CHRG PROG BATTERY 4.7K TPA2031D1 100K 10uF Shut_DN PVDD 10uF GNDGND BEAD120 270P ShutDN 270P 240k 270P BEAD120 IC-NJM2761 240k 3.6k Title Size Number Revision SP-i150 VER090820 Date: 21-Jan-2010 Sheet of File:...
  • Page 15: Chapter 7. Important Notes

    Service Guide SP-i150 Chapter 7. Important Notes 7.1 Packing Requirement for Sending the PCB Assembly by Post PCB assembly is a kind of sophisticated electronic circuit board. Well packing will be required when sending them by post. * Some sophisticated IC components are mounted on the PCB assembly, hence it is necessary to pack each PCB assembly with a separate static protecting bag, in order to avoid static electricity.

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