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Summary of Contents for KYE Systems Corp. Genius SP-N120
- Page 1 Service Guide SP-N120 SERVICE GUIDE KYE SYSTEMS CORP. SP-N120 Version : 1.0 Page 1 of 15...
- Page 2 Service Guide SP-N120 Version : 1.0 Revision History Version Date Change 09/20/2007 Version : 1.0 Page 2 of 15...
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Page 3: Table Of Contents
Service Guide SP-N120 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 One or more channels no sound ………………..…7 1.2.2 Power LED (indicator) no light………………..…8 1.2.3 Volume no function...…………………….………..8 Chapter 2. -
Page 4: Getting Started
Service Guide SP-N120 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-N120 Chapter 1. How to Handle Defective Returns 1.1 Overview Receiving Defective speaker form customers Verifying problems proceeding necessary tests Function NG Analyzing possible Function NG Function OK malfunction causes Deciding & proceeding the rectification methods Replace necessary defective parts Proceeding tests to verify if the speaker is... -
Page 6: Problems
Service Guide SP-N120 1.2 Problems Item Problem Description 1.2.1 One or more channels no sound 1.2.2 Power LED (indicator) no light 1.2.3 Volume no function Version : 1.0 Page 6 of 15... - Page 7 Service Guide SP-N120 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 One or more channels no sound Problem Speaker cable dis-connect or Analyzer and...
- Page 8 Service Guide SP-N120 1.2.2 Power LED (indicator) no light Power LED (indicator) no light Problem Defective SW, R11, Ac cord of transformer Analyzer and R12,T2,D1,D2,D3,D4 Power switch or LED defective disconnected or defective Identify the Causes Re-solder or replace defective component(s) Solutions 1.2.3 Volume no function Volume no function...
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Page 9: Chapter 2. Specifications
Service Guide SP-N120 Chapter 2. Specifications NO. Description Unit Specifications Out Power at THD 10% > 400 ± 50 Sensitivity Freq. Response (Ref:-3dB) Hz 110Hz ~ 20KHz Separation > > < 3 Hum & Noise (Vol.: max) Version : 1.0 Page 9 of 15... -
Page 10: Chapter 3. Block Diagram
Service Guide SP-N120 Chapter 3. Block Diagram Volume R.CH Speaker Power Increase Amplifier AUDIO IN Volume L.CH Speaker Decrease Power AC IN Conditioner Version : 1.0 Page 10 of 15... -
Page 11: Chapter 4. Exploded View
Service Guide SP-N120 Chapter 4. Exploded View Host Button Speaker Rear shell Front Panel Net frame Version : 1.0 Page 11 of 15... - Page 12 Service Guide SP-N120 Satellite Speaker Buckle Rear shell Transformer Net frame Front panel Version : 1.0 Page 12 of 15...
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Page 13: Chapter 5. Part List
Service Guide SP-N120 Chapter 5. Part List DESCRIPTION UNIT Part No. 1 SP-N120/BODY-230V-EU 220122020109 2 SP-N120/BODY-240V-UK 220122020119 3 SP-N120/BODY-120V-US 220122020129 LOUD SPEAKER 2" 4 OHM 3W 20140200038049 RUBBER PAD, SP-N120 420500380309 6 PCBA SP-N120 301122020019 7 IC,CD2025 403000050609 Transformer,230V/8V/0.25A（EU） 412001660209 412001660309 Transformer,240V/8V/0.25A（UK）... -
Page 14: Chapter 6. Schematic Diagram
Service Guide SP-N120 Chapter 6. Schematic Diagram Version : 1.0 Page 14 of 15... -
Page 15: Chapter 7. Important Notes
Service Guide SP-N120 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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