Service Guide SP-HF 2.1 800 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/ left channel no sound…….……….……….……….……….……9 1.2.4 Woofer no sound….………..….……..….……….……….……….……10 1.2.5 Noise…………….………………………………………………….…..…11 1.2.6 Cable remote LED indicators no light……………………………..….12...
Service Guide SP-HF 2.1 800 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.
Service Guide SP-HF 2.1 800 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...
Service Guide SP-HF 2.1 800 1.2 Problems Item Problem Description 1.2.1 No power,LED (indicator)no light 1.2.2 No sound 1.2.3 Right channel no sound 1.2.4 Left channel no sound 1.2.5 Woofer no sound 1.2.6 Noise 1.2.7 LED indicators no light Version 1.0 Page 6 of 21...
Service Guide SP-HF 2.1 800 *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 Defective Defective or damaged AC cable, Defective soldering...
Service Guide SP-HF 2.1 800 1.2.2 no sound No sound Problem Connection wires PCB short-circuited, dry VR1 in YM-C19 CON YM6111-2.1L AMP broken soldered or damaged PCB damaged or the or dry soldered. foil broken or dry Cooper Analyze and connection wires soldered identify the...
Service Guide SP-HF 2.1 800 1.2.3 Right /Left channel no sound Right /left channel no sound Problem Audio cable damaged PCB damaged, dry-soldered or 1.Connection wires or defective short-circuited YM6111-2.1L AMP broken or Speaker cable Analyze and dry soldered. damaged or defective identify the VR1 in YM-C19 CON...
Service Guide SP-HF 2.1 800 1.2.4 Woofer no sound Problem Woofer no sound YM6111-2.1L AMP CN1 damaged Woofer driver unit dry-soldered or Analyze and U1, U2 or VR or the components defective identify the around in YM6111-2.1L AMP defective causes or dry-soldered damaged, dry-soldered...
Service Guide SP-HF 2.1 800 1.2.6. Noise Problem Noise 1. To check if EC2, EC3, EC11, Or caused by the vibration Or Driver units box or driver EC12 , D1 , D2 , D3 , D4 is from the too long lead wire of unit itself damaged Analyze and defective or not...
Service Guide SP-HF 2.1 800 1.2.7. Cable remote LED indicators no light Problem LED indicators no light 1. Defective, dry-soldered, or broken PCB Analyze and 2. LED1 defective or YM-C19 CON PCB short-circuited identify the causes Check and replace Solutions Version 1.0 Page 12 of 21...
Service Guide SP-HF 2.1 800 1.2.8. Woofer colorful LED no light or abnormal Problem Woofer colorful LED no light or abnormal 1. Defective, dry-soldered, or broken SW-HF2.1 800LED 2. YM6111-2.1L AMP PCBA broken or CN2 defective or connection Analyze and wires loosen identify the 3.
Service Guide SP-HF 2.1 800 Chapter 2. Specifications Satellite normal DESCRIPTION UNIT LIMIT RATED OUTPUT POWER @THD 10% ≧5.8 SENSITIVITY (1KHz) @RATED O/P POWER 600±60 SENSITIVITY (1KHz) @1W O/P POWER 220±22 MAX INPUT LEVEL@1% THD 480±48 DISTOPTION@1kHz ≦1 FREQUENCY RESPONSE(1KHz -3DB ) LOW 200±20 FREQUENCY RESPONSE(1KHz -3DB ) HI 150±15...
Service Guide SP-HF 2.1 800 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;...
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