Service Guide SP-HF2.0 1250 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 , Treble, Bass no function……..…………..8 Chapter 2.
Service Guide SP-HF2.0 1250 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 :...
Service Guide SP-HF2.0 1250 Chapter 1. How to Handle Defective Returns 1.1 Overview Receiving Defective speakers form Customers Verifying problems Proceeding necessary tests Function NG Analyzing possible malfunction causes Deciding & proceeding the Function NG rectification methods Function OK Replace necessary defective parts Proceeding tests to Verify if the speaker is functioning normally...
Service Guide SP-HF2.0 1250 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 , Treble , Bass no function Version : 1.0 Page 6 of 15...
Service Guide SP-HF2.0 1250 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 Analyzer and...
Service Guide SP-HF2.0 1250 1.2.2 Power LED (indicator) no light Power LED (indicator) no light Problem Defective,D1-4, AC cord of transformer Analyzer and Power switch or LED ZD1,ZD2,R37,R3 disconnected or Identify the Causes 8,R47 defective Re-solder or replace defective component(s) Solutions 1.2.3 Volume , Treble , Bass no function Volume , Treble ,Bass no...
Service Guide SP-HF2.0 1250 Chapter 3. Block Diagram Bass Host Speaker Power Control Volume Amplifier AUDIO IN Control Treble Satellite Speaker Control Filter AC IN Transformer Version : 1.0 Page 10 of 15...
Service Guide SP-HF2.0 1250 Chapter 5. Part List DESCRIPTION Qty UNIT Part No. 1 SP-HF 2.0 1250/Body/Satellite PC 7-101-01 2 Speaker Unit 1” 4ohm 10W PC 7-100-01 3 Speaker Unit 5 1/4” 4ohm 18W PC 7-100-02 4 TPR Isolation Cone, SP-HF2.0 500 PC 5-100-02 5 SP-HF 2.0 1250/Body/Host-120V-US 7-101-02...
Service Guide SP-HF2.0 1250 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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