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Table of Contents
Related Manuals for KYE Systems Corp. Genius SW-2.1 355
Summary of Contents for KYE Systems Corp. Genius SW-2.1 355
- Page 1 Service Guide SW-2.1 355 SERVICE GUIDE KEY SYSTEM CORP Version 1.0 Page 1 of 20...
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Page 2: Revision History
Service Guide SW-2.1 355 Revision History Version Date Change 15/11/2007 Version 1.0 Page 2 of 20... -
Page 3: Table Of Contents
Service Guide SW-2.1 355 Table of Contents Revision History………………………………………………………………….2 Table of contents……………………………………………………………...…3 Getting Start…………………………………………………….………………...4 Conventions Used in this Guide…………………………………………….…4 Safety Precautions………………………………………………………………4 Chapter 1. How to Handle Defective Returns……………………………….5 1.2 Problem………………………………………………………………………6 1.2.1 No power，LED （indicator）unlighted……………………………….7 1.2.2 No sound…………………………………………………………….…….8 1.2.3 Right channel no sound….……….……….……….……….……….……9 1.2.4 Left channel no sound….……….……….……….……….……….……10 1.2.6 Woofer no sound………………………………………………….…..…11 1.2.9 Noise………………………….……………………….……………..….12... -
Page 4: Getting Start
Service Guide SW-2.1 355 Getting Started Conventions Used in the 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 handing the speaker described in this guide: Place the speakers on a flat, level and stable surface. -
Page 5: Chapter 1. How To Handle Defective Returns
Service Guide SW-2.1 355 Chapter 1. How to Handle Defective Returns 1.1 Overview Receiving Defective speaker from customers Verifying problems Proceeding Necessary tests Function NG Function OK Function NG Analyzing possible Malfunction cause Deciding & proceeding the Rectification methods Replace necessary Defective parts Verifying problems Proceeding... -
Page 6: Problem
Service Guide SW-2.1 355 1.2 Problems Item Problem Description No power，LED （indicator）no light 1.2.1 1.2.2 No sound 1.2.3 Right channel no sound 1.2.4 Left channel no sound 1.2.5 Woofer no sound 1.2.6 Noise 1.2.7 LED indicators no light Version 1.0 Page 6 of 20... -
Page 7: No Power，Led （Indicator）Unlighted
Service Guide SW-2.1 355 *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 No power，LED （indicator）unlighted No power，LED （indicator）unlighted Problem Analyze Defective Defective Defective soldering of transformer transformer damaged AC cable,... -
Page 8: No Sound
Service Guide SW-2.1 355 1.2.2 no sound No sound Problem 8P assembled line Defective Input cable defectively short-circuited, dry components damaged or connected between soldered or of VR1, JK1, Analyze and defective CON1 and CON2 damaged U1, U2, identify the causes Repair or replace Repair or replace... -
Page 9: Right Channel No Sound
Service Guide SW-2.1 355 1.2.3 Right channel no sound Right channel no sound Problem Input cable Right Speaker PCB damaged, 1. Defective JK1, JK2 damaged cable damaged or dry-soldered or Defective assembled line defective defective short-circuited between CON1 and CON2 Analyze and short-circuited Defective... -
Page 10: Left Channel No Sound
Service Guide SW-2.1 355 1.2.4 Left channel no sound Problem Left channel no sound Left Speaker cable damaged, Input cable 1. Defective JK1, JK2 damaged dry-soldered damaged Defective assembled line Analyze and defective short-circuited defective between CON1 and CON2 identify the short-circuited Defective dry-soldered... -
Page 11: Woofer No Sound
Service Guide SW-2.1 355 1.2.5 Woofer no sound Problem Woofer no sound Defective assembled line between Woofer driver unit Analyze and CON1 and CON2 dry-soldered identify the R9， R10， C15， C18， R14VR2， R15, defective causes C20，C21，CON4 dry-soldered tor defective U2 /U3 or the components around defective or dry-soldered Repair or replace Repair or replace... -
Page 12: Noise
Service Guide SW-2.1 355 1.2.6. Noise Problem Noise 1. D1-D4 ， C29 dry-soldered Vibration from too Driver units or defective long lead wire of damaged Analyze and driver units identify the components around causes dry-soldered or defective 3. PCB broken or dry-soldered Solutions Check and replace Repair or replace... -
Page 13: Led Indicators No Light
Service Guide SW-2.1 355 1.2.7. LED indicators no light Problem LED indicators no light 1. Defective, dry-soldered, or broken PCB Analyze and 2. R18 , LED defective or dry-soldered identify the causes Check and replace Solutions Version 1.0 Page 13 of 20... -
Page 14: Chapter 2. Specification
Service Guide SW-2.1 355 Chapter 2. Specifications Satellite DESCRIPTION UNIT NOMINAL LIMIT RATED OUTPUT POWER ＠THD 10% ≥2.3 SENSITIVITY（1KHz）＠RATED O/P POEWR 440±44 SENSITIVITY（1KHz）＠1W O/P POWER 200±20 MAX INPUT LEVEL＠1% THD 230±23 FREQUENCY RESPONSE（1KHz -3DB) ≥50 S/N＠RATED O/P POWER CHANNEL UNBALANCE ＠REF O/P POWER CHANNEL SEPARATION(ONE CHANNEL... -
Page 15: Chapter 3 Block Diagram
Service Guide SW-2.1 355 Chapter 3 Block diagram Version 1.0 Page 15 of 20... -
Page 16: Chapter 4 Exploded View
Service Guide SW-2.1 355 Chapter 4 Exploded view Subwoofer Version 1.0 Page 16 of 20... -
Page 17: Satellite
Service Guide SW-2.1 355 Chapter 4 Exploded view Satellite Version 1.0 Page 17 of 20... -
Page 18: Chapter 5 Part List
Service Guide SW-2.1 355 Chapter 5 Part list Woofer Ref. NO Description Part NO. Knob EP40711156 Woofer front panel EP40910362 Woofer foot mat, 8*3MM EP73050003 wood cabinet EP53355J01 volume switch, 16KG-B50K-L15 EP1B010070 Paper tube EP41590051 woofer unit , 4” 4ohms 10W EP16050049 Transformer;... -
Page 19: Chapter 6 Important Notes
Service Guide SW-2.1 355 Chapter 6. Important Notes 6.1 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;... -
Page 20: Chapter 7 Schematic Diagram
Service Guide SW-2.1 355 Chapter 7. Schematic diagram Version 1.0 Page 20 of 20...
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