ervice SP-HF2000A uide Table of Contents Revision History ……………………………………………………………………..1 Table of Contents………………………………………………… ………….2 Getting Started………………………………………………… ……….……………..3 Conventions Used in this Guide………………… ………...……………….3 Safety Precautions……………………………… ………………...………..3 Chapter1. How to Handle Defective Returns………………… ……………………….4 1.1 Overview……………………………………………………………….4 1.2 Problems………………………………………………………………..5 1.2.1 Power LED (indicator) Unlighted………………...……………..6 1.2.2 Does not work or one channel no sound……………………….…..7 1.2.3 Noise……………………………………………………………….7 Chapter2.
ervice SP-HF2000A uide Getting Started Conventions Used in this Guide Pay Special Attention: Instructions that are important to remember and may prevent mistakes. Attention 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: Place the speakers on a flat level and stable surface.
ervice SP-HF2000A uide Chapter 1. How to Handle Defective Returns 1.1 Overview Receiving Defective Speakers from Customers Verifying problems& Proceeding necessary tests Functioning NG Analyzing possible Malfunction causes Deciding & proceeding Functioning OK the rectification methods Functioning NG Replacing necessary Defective parts Proceeding tests To verify if the speaker is...
ervice SP-HF2000A uide 1.2 Problems Item Problem descriptions 1.2.1 Power LED (indicator) unlighted 1.2.2 Does not work or one channel no sound 1.2.3 Noise Version: 1.0 Page 5/15...
ervice SP-HF2000A uide Please follow the numbered sequence marked within parenthesis given in individual Flow chart, in that this is the best-recommended sequence to rectify the problems. Attention 1.2.1 Power LED (indicator) unlighted Problem Power LED (indicator)unlighted Analyze Secondary wire Of CheckD1.2 Check Defective power...
ervice SP-HF2000A uide 1.2.2 Does not work or one channel no sound Problem Does not work or One channel no sound Analyze and Defective Broken or Defective IC Identify the Audio cable Short circuit (TDA2030A) Causes Solutions Replace Check solder Check and replace Audio cable Points on PCB...
ervice SP-HF2000A uide 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, 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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