Advertisement

Quick Links

Service Guide
SP-HF360A
SERVICE GUIDE
KEY SYSTEM CORP
Version 1.0
Page 1 of 21

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Genius SP-HF360A and is the answer not in the manual?

Questions and answers

Summary of Contents for KYE Systems Corp. Genius SP-HF360A

  • Page 1 Service Guide SP-HF360A SERVICE GUIDE KEY SYSTEM CORP Version 1.0 Page 1 of 21...
  • Page 2: Revision History

    Service Guide SP-HF360A Revision History Version Date Change 06/08/2009 Version 1.0 Page 2 of 21...
  • Page 3: Table Of Contents

    Service Guide SP-HF360A 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 1.2.5 Noise………………………………….…………………………….…..…11 1.2.6 LED indicators no light…………………………….….……………..….12...
  • Page 4: Getting Start

    Service Guide SP-HF360A 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 SP-HF360A 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 SP-HF360A 1.2 Problems Item Problem Description No power,LED (indicator)no light 1.2.1 1.2.2 No sound 1.2.3 Right or left channel no sound 1.2.4 Woofer no sound 1.2.5 Noise 1.2.6 LED indicator no light 1.2.7 No volume change when rotating VR 1.2.8 No sound when input jack is used Version 1.0...
  • Page 7: No Power,Led (Indicator)Unlighted

    Service Guide SP-HF360A *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 Or caused by the following: 1.
  • Page 8: No Sound

    Service Guide SP-HF360A 1.2.2 No sound No sound Problem caused following Audio cable loosely components: connected or broken short-circuited, dry Analyze and IC1, IC2 or EC6 in PCB defective soldered or identify the Q1 damaged broken; causes Repair or replace Repair or replace Repair, resolder...
  • Page 9: Right Channel No Sound

    Service Guide SP-HF360A 1.2.3 Right channel no sound Right channel no sound Problem 1. Driver unit or speaker PCB damaged, dry-soldered cable defective or loosely or short-circuited connected Analyze and VR1, VR2 damaged or 2. The 3.5 mm plug of identify the loose-connected Audio cable defective or...
  • Page 10: Left Channel No Sound

    Service Guide SP-HF360A 1.2.4 Left channel no sound Problem Left channel no sound 1. PCB damaged, dry-soldered 1. Driver unit or speaker Analyze and cable defective or loosely or short-circuited identify the 2. VR1, VR2 damaged or connected causes loose-connected 2.
  • Page 11: Noise

    Service Guide SP-HF360A 1.2.5 Noise Problem Noise D1, D2, D3, D4, EC6 1. Check 1. Driver units damaged EC3,R25,ZD2,R29 in Analyze and dry-soldered or not 2. Or caused by vibration PCB defective identify the 2. The power supply of each IC is from too long lead wire of causes normal or not;...
  • Page 12: Led Indicators No Light

    Service Guide SP-HF360A 1.2.6 LED indicator no light Problem LED indicator no light PCB damaged, dry-soldered or short-circuited 2. R28 in PCB defective 3. Defective LED Analyze and identify the causes Solutions Check and replace Version 1.0 Page 12 of 21...
  • Page 13: No Volume Change When Rotating Vr

    Service Guide SP-HF360A 1.2.7 No Volume change when rotating VR Problem No volume change when rotating VR Check if the VR-related copper foil broken VR1, VR2 defective Analyze and 3. Or caused by the following components: identify the R5,R6,R1,R2,R13,CC1,MC1,MC2,MC3, R9, causes R12, R15,R66,R18,R19,R20,R21,R22,CC4,MC4,...
  • Page 14: No Sound When Input Jack Is Used

    Service Guide SP-HF360A 1.2.8 No sound when input jack is used Problem No sound when input jack is used Analyze and 1. JK1 damaged identify the 2. Or JK1-related copper coil in PCB causes broken or dry-soldered or short-circuited Solutions Check and replace Version 1.0 Page 164of 21...
  • Page 15: Chapter 2. Specification

    Service Guide SP-HF360A Chapter 2. Specifications Normal DESCRIPTION UNIT LIMIT ≧3 RATED OUTPUT POWER @THD 10% SENSITIVITY (1KHz) @RATED O/P POWER 600±60 SENSITIVITY (1KHz) @1W O/P POWER 260±60 MAX INPUT LEVEL@1% THD 350±35 ≦1 DISTOPTION@1kHz FREQUENCY RESPONSE(1KHz -3DB ) LOW 190±20 FREQUENCY RESPONSE(1KHz -3DB ) HI 110±20...
  • Page 16: Chapter 3 Block Diagram

    Service Guide SP-HF360A Chapter 3 Block diagram Version 1.0 Page 16 of 21...
  • Page 17: Chapter 4 Exploded View

    Service Guide SP-HF360A Chapter 4 Exploded view Active speaker Version 1.0 Page 17 of 21...
  • Page 18: Passive Speaker

    Service Guide SP-HF360A Chapter 4 Exploded view Passive speaker Version 1.0 Page 18 of 21...
  • Page 19: Chapter 5 Part List

    Service Guide SP-HF360A Chapter 5 Part list Active speaker Serial Description Part NO Screw, 3.6*16, to fix the driver unit ring EP24220010 driver unit ring EP40910405 cloth cover EP41010178 Driver unit, A-78-38 EP16030078 wooden cabinet for active speaker EP53360001A transformer, 230V 50HZ 9V-1.3A EP13500068 screw, 4*16PWM to fix the transformer EP24140019...
  • Page 20: Chapter 6 Important Notes

    Service Guide SP-HF360A 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 21: Chapter 7 Schematic Diagram

    Service Guide SP-HF360A Chapter 7. Schematic diagram SP-HF360A PCB Version 1.0 Page 23 of 21...

Table of Contents