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Service Guide

SP-HF2.0 500

Version : 1.0

Page 1 of 15

SERVICE GUIDE

KYE

SYSTEMS CORP.

SP-HF2.0 500

Version : 1.0

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Summary of Contents for SP-HF2.0 500

Page 1: ...Service Guide SP HF2 0 500 Version 1 0 Page 1 of 15 SERVICE GUIDE KYE SYSTEMS CORP SP HF2 0 500 Version 1 0 ...

Page 2: ...Service Guide SP HF2 0 500 Version 1 0 Page 2 of 15 Revision History Version Date Change 1 0 11 08 2004 ...

Page 3: ... 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 Bass no function 8 Chapter 2 Specifications 9 Chapter 3 Block Diagram 11 Chapter 4 Exploded View 12 Chapter 5 Part List 15 Chapter 6 Schematic Diagram 17 Chapter 7 Important Notes 19 7 1 Packing Requirement for Sending the PCB Assembly by Post 19 7 2 Short of Spare Parts while Rep...

Page 4: ...eakers in environments subject to mist smoke vibration excessive dust salty or greasy air or other corrosive gases and fumes Do not drop or jolt the speakers Do not allow anything to drop into the subwoofer case through its ventilator as it could result in fatal electric shock or fire Place the unit far enough from other equipments for good heat dissipation Disconnect the AC power cord from the AC...

Page 5: ...sary tests Receiving Defective speakers from Customers Analyzing possible malfunction causes Deciding proceeding the rectification methods Replace necessary defective parts Proceeding tests to Verify if the speaker is functioning normally Return the speakers with proper repackaging to customers Function NG Function OK Function OK Function NG ...

Page 6: ...Service Guide SP HF2 0 500 Version 1 0 Page 6 of 15 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 Bass no function ...

Page 7: ...renthesis given in individual Flow chat in that this is the best recommended sequence to rectify the problems One or more channels no sound Broken or short circuit Defective IC1 Speaker cable dis connect or speaker damaged Check solder points on PCB Check and Replace defective IC Re connect speaker cable or replace defective speaker s Analyzer and Identify the Causes ...

Page 8: ...tor no light Power switch or LED defective Defective D1 4 Dc cord of transformer disconnected or defective Re solder or replace defective component s Analyzer and Identify the Causes Volume Bass no function Broken or short circuit Defective C11 12 VR1 VR2 R7 10 C5 6 C9 10 Check solder points on PCB Analyzer and Identify the Causes Check and Replace defective components ...

Page 9: ...sion 1 0 Page 9 of 15 Chapter 2 Specifications NO Description Unit Specifications 1 Out Power at THD 10 W 7 2 Sensitivity mV 500 70 3 Freq Response Ref 3dB Hz 35Hz 20KHz 4 Separation dB 40 5 S N ratio dB 50 6 Hum Noise Vol max mV 10 ...

Page 10: ...Service Guide SP HF2 0 500 Version 1 0 Page 10 of 15 Chapter 3 Block Diagram AUDIO IN Volume Control Power Amplifier R CH Speaker AC IN L CH Speaker Tone Control Power Conditioner ...

Page 11: ...Service Guide SP HF2 0 500 Version 1 0 Page 11 of 15 Chapter 4 Exploded View Host ...

Page 12: ...Service Guide SP HF2 0 500 Version 1 0 Page 12 of 15 Satellite ...

Page 13: ... 500 Body Host 240V UK 5 101 04 7 SP HF 2 0 500 Body Host 240V AU 1 PC 5 101 05 8 PCBA SP HF2 0 500 1 PC 5 101 06 9 IC TDA2007A 1 PC 1 100 07 10 Transformer 120V 14 5VAC 1 2A 5 100 03 11 Transformer 230V 14 5VAC 1 2A 5 100 04 12 Transformer 240V 14 5VAC 1 2A 1 PC 5 100 05 13 Gift Box SP HF2 0 500 1 PC 5 102 03 14 Cushion Top Bottom SP HF2 0 500 1 SET 5 102 02 15 Round Yellow Type Label on Gift Box...

Page 14: ...Service Guide SP HF2 0 500 Version 1 0 Page 14 of 15 Chapter 6 Schematic Diagram ...

Page 15: ...ence it is necessary to pack each PCB assembly with a separate static protecting bag in order to avoid static electricity Reliable external packing is also very important when sending PCB assembly by post in that it would avoid unnecessarily lost or damage 7 2 Short of Spare Parts while Repairing a Speaker System If you are short of spare parts when you have some speaker systems waiting to be repa...

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