Service Guide SW-Flat 2.1 500 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 .
Service Guide SW-Flat 2.1 500 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...
Service Guide SW-Flat 2.1 500 1.2 Problems Item Problem Description 1.2.1 One or more channels no sound 1.2.2 Volume , Bass no function 1.2.3 Power LED (indicator) no light 1.2.4 Head-sets no sound Version : 1.0 Page 6 of 16...
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Service Guide SW-Flat 2.1 500 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...
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Service Guide SW-Flat 2.1 500 1.2.2 Volume , Bass no function Volume , Bass no function Problem Analyzer and Broken or short circuit Defective VR1 , VR2 Identify the Causes Check and Replace defective Solutions Check solder points on PCB components 1.2.3...
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Service Guide SW-Flat 2.1 500 1.2.4 Head-sets no sound Head-sets no sound Problem Analyzer and Broken or short circuit Defective T1 , R11 , R12 Identify the Causes Check and Replace defective Solutions Check solder points on PCB components Version : 1.0...
Service Guide SW-Flat 2.1 500 Chapter 3. Block Diagram Audio In R.CH Speaker Power Volume Control Amplifier L.CH Speaker AC IN Transformer Power Woof. Volume Amplifier Woof.CH Speaker Version : 1.0 Page 11 of 16...
Service Guide SW-Flat 2.1 500 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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