KYE Systems Corp. Genius SW-Flat 2.1 850 Service Manual Download | Manualshive

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Service Guide

SW-Flat 2.1 850

Version : 1.0

Page 1 of 15

SERVICE GUIDE

KYE

SYSTEMS CORP.

SW-Flat 2.1 850

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Summary of Contents for Genius SW-Flat 2.1 850

Page 1: ...Service Guide SW Flat 2 1 850 Version 1 0 Page 1 of 15 SERVICE GUIDE KYE SYSTEMS CORP SW Flat 2 1 850 ...

Page 2: ...Service Guide SW Flat 2 1 850 Version 1 0 Page 2 of 15 Version 1 0 Revision History Version Date Change 1 0 11 3 2006 ...

Page 3: ... 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 no function 8 Chapter 2 Specifications 9 Chapter 3 Block Diagram 10 Chapter 4 Exploded View 11 12 Chapter 5 Part List 13 Chapter 6 Schematic Diagram 14 Chapter 7 Important Notes 15 7 1 Packing Requirement for Sending the PCB Assembly by Post 15 7 2 Short of Spare Parts while Rep...

Page 4: ...speakers 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 ...

Page 5: ...essary 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 SW Flat 2 1 850 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 no function ...

Page 7: ...enthesis 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 U1 U2 U3 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: ...defective Defective D1 D4 VR1 POWER R10 AC cord of transformer disconnected or defective Re solder or replace defective component s Analyzer and Identify the Causes Volume no function Broken or short circuit Volume Defective VR1 VR2 R3 6 R11 14 C17 18 U1 U3 Bass Defective VR2 R19 20 C28 29 Q1 Q2 U1 U3 Check solder points on PCB Analyzer and Identify the Causes Check and Replace defective component...

Page 9: ...Power at THD 10 W 14 2 Sensitivity mV 250 50 3 Freq Response Ref 3dB Hz 20Hz 120Hz 4 S N ratio dB 60 5 Hum Noise Vol max mV 10 Satellite NO Description Unit Specifications 1 Out Power at THD 10 W 3 0 2 2 Sensitivity mV 500 50 3 Freq Response Ref 3dB Hz 104Hz 20KHz 4 Separation dB 50 3 5 S N ratio dB 70 6 Hum Noise Vol max mV 10 ...

Page 10: ...Service Guide SW Flat 2 1 850 Version 1 0 Page 10 of 15 Chapter 3 Block Diagram AUDIO IN Volume Control Power Amplifier R Satellite L Satellite Woofer Woof Volume AC IN Transformer Rectifier FILTER ...

Page 11: ...Service Guide SW Flat 2 1 850 Version 1 0 Page 11 of 15 Chapter 4 Exploded View Woofer ...

Page 12: ...Service Guide SW Flat 2 1 850 Version 1 0 Page 12 of 15 Satellite ...

Page 13: ...SW Flat2 1 850 Body Woofer 240V AU 1 PC 11 101 06 9 Speaker Unit 4 4ohm 15W 1 PC E1049 20 10 Rubber Pad woofer SW Flat2 1 850 4 PC 11 100 02 11 PCBA SW Flat2 1 850 1 PC 11 101 07 12 IC SJ2025 1 PC 11 100 03 13 IC TDA2007A 1 PC E1065 4R 14 IC YW4558 1 PC 11 100 04 15 IC L7815 1 PC 11 100 05 16 Transformer 120V 15VAC 1 6A E1074 91 17 Transformer 230V 15VAC 1 6A E1074 92 18 Transformer 240V 15VAC 1 6...

Page 14: ...Service Guide SW Flat 2 1 850 Version 1 0 Page 14 of 15 Chapter 6 Schematic Diagram ...

Page 15: ...hence 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 rep...

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