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Summary of Contents for KYE Systems Corp. Genius SW-HF2.1 1205
- Page 1 Service Guide SW-HF2.1 1205 SERVICE GUIDE KEY SYSTEM CORP Model No.: SW-HF2.1 1205...
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Page 2: Revision History
Service Guide SW-HF2.1 1205 Revision History Version Date Change 2010-4-16... -
Page 3: Table Of Contents
Service Guide SW-HF2.1 1205 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 1.1 Overview………………………………………………………………………………………..5 1.2 Problem………………………………………………………………………………………..6 1.2.1 No power，No sound ,LED （indicator）unlighted………………………………………..7 1.2.2 Sub Woofer No sound………………………………………………………………………...8 1.2.3 Right or left channel no sound………………………………………………………………..9 1.2.4 Noise………………………………………………………………………………………….10... -
Page 4: Getting Start
Service Guide SW-HF2.1 1205 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-HF2.1 1205 Chapter 1 How to Handle Defective Returns 1.1 Overview Receiving Defective speaker from customers Verifying problems proceeding necessary tests FUNCTION NG Analyzing possible, Main function cause FUNCTION NG FUNCTION OK Deciding & Proceeding the Rectification methods Replace Necessary defective parts Verifying problems... - Page 6 Service Guide SW-HF2.1 1205 1.2 Problems Item Item Problem Description No power，LED （indicator）no light 1.2.1 1.2.2 Sub woofer No sound 1.2.3 Right or left channel no sound 1.2.4 Noise 1.2.5 LED indicator no light...
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Page 7: Problem
Service Guide SW-HF2.1 1205 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 Sound Problem No power，LED （indicator）unlighted Sound Analyze Or caused by the following:... -
Page 8: Subwoofer No Sound
Service Guide SW-HF2.1 1205 1.2.2 Subwoofer No Sound SUB Woofer No Sound Problem caused Analyze following defective and identify Driver unit or components the causes speaker cable 1. IC4 in AMP PCBA defective Destroyed SW-HF2.1 2. 4VR2，4CN1， in loosely 1205 AMP PCBA SW-HF2.11205 Control connected panel... -
Page 9: Right Or Left Channel No Sound
Service Guide SW-HF2.1 1205 1.2.3 Right or left channel no sound Right or left channel no sound Problem AMP IC Control panel IC3 defected in Driver unit or speaker 4VR1 d efected Analyze SW-HF2.1 1205 cable defective 4CN2 defective and identify AMP PCBA loosely connected loosely connected... -
Page 10: Noise
Service Guide SW-HF2.1 1205 1.2.4 Noise Noise Problem Filter capacitor Driver units damaged /diode caused Woofer cabinet leaks, Analyze dry-soldered or vibration from too closed not well and identify damaged, long lead wire of the causes driver units please check 1D1 1D2 1D3 1C18 1C19 in AMP... -
Page 11: Led Indicators No Light
Service Guide SW-HF2.1 1205 1.2.5 LED indicator no light LED indicator no light Problem 1. PCB damaged, dry-soldered or short-circuited 2. LED defective Analyze and identify the causes Solutions Check and replace... -
Page 12: Chapter 2. Specification
Service Guide SW-HF2.1 1205 Chapter 2 Specifications Satellite Normal Description Unit Limit ≧8 RATED OUTPUT POWER @THD 10% SENSITIVITY (1KHz) @RATED O/P 600±60 POWER SENSITIVITY (1KHz) 170±60 @1W O/P POWER MAX INPUT LEVEL 450±60 @1% THD ≦0.7 DISTOPTION@1kHz 1W OUT FREQUENCY RESPONSE 300±30 (1KHz -3DB ) LOW... -
Page 13: Chapter 3 Block Diagram
Service Guide SW-HF2.1 1205 Chapter 3 Block diagram LINE IN 4588 FILTER POWER BASS UTC2030 UTC2030 UTC2030 POWER AMP POWER AMP POWER AMP R SPEAKER L SPEAKER SW SPEAKER... -
Page 14: Chapter 4. Part List
Service Guide SW-HF2.1 1205 Charter 4 Part List Part No. Description Remark 11.1.192.0003 Power Switch 11.2.001.0087 Transformer 11V*2, 2A 11.1.120.0007 Diode 1D1 1D2 1D3 1D4 11.1.150.0014 Dynatron 11.1.170.0017 AMP IC IC2 IC3 IC1 11.1.170.0056 11.1.260.0713 AMP PCB 11.3.005.0025 2P cable LED light cable 11.1.030.0009 potentiometer... -
Page 15: Chapter 5 Important Notes
Service Guide SW-HF2.1 1205 Chart 5 Important notes 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. -
Page 16: Chapter 6 Exploded View
Service Guide SW-HF2.1 1205 Chapter 6 Exploded view Subwoofer... -
Page 17: Satellite
Service Guide SW-HF2.1 1205 Chapter 6 Exploded view Satellite... - Page 18 PDF created with pdfFactory trial version...
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