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Service Guide                                             

SW-S2.1 900 

                         

 

Version : 1.2

 

     

 

Page 1 of 16

 

SERVICE GUIDE 

 

 

KYE

 

SYSTEMS CORP. 

 

 

 

 

 

 

 

 

                                                                                                       

SW-S2.1 900 

Summary of Contents for Genius SW-S2.1 900

Page 1: ...Service Guide SW S2 1 900 Version 1 2 Page 1 of 16 SERVICE GUIDE KYE SYSTEMS CORP SW S2 1 900 ...

Page 2: ...Service Guide SW S2 1 900 Version 1 2 Page 2 of 16 Version 1 3 Revision History Version Date Change 1 0 9 5 2008 1 1 15 5 2008 Anderson 1 2 19 5 2008 Anderson 1 3 27 5 2008 Teng Hung Hsiang ...

Page 3: ... 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 10 Chapter 4 Exploded View 11 13 Chapter 5 Part List 14 Chapter 6 Schematic Diagram 15 Chapter 7 Important Notes 16 7 1 Packing Requirement for Sending the PCB Assembly by Post 16 7 2 Short of Spare Parts while Re...

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 SW S2 1 900 Version 1 2 Page 6 of 16 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: ... 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 IC2 IC3 U6 U7 remote control cable 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: ...er switch or LED defective Defective D1 D4 SW1 IC1 RL remote control cable AC 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 Volume Defective VR1 Bass Defective VR2 Check solder points on PCB Analyzer and Identify the Causes Check and Replace defective components ...

Page 9: ... Power at THD 10 W 16 2 Sensitivity mV 170 50 3 Freq Response Top 3dB Hz 23 210 10 4 S N ratio dB 60 5 Hum Noise Vol max mV 2 Satellite NO Description Unit Specifications 1 Out Power at THD 10 W 3 0 5 2 Sensitivity mV 430 50 3 Freq Response Top 3dB Hz 145 20K 10 4 Separation dB 40 5 S N ratio dB 70 6 Hum Noise Vol max mV 2 ...

Page 10: ... Guide SW S2 1 900 Version 1 2 Page 10 of 16 Chapter 3 Block Diagram AUDIO IN Volume Control Power Amplifier R Satellite L Satellite Woofer Woofer Volume AC IN Transformer Rectifier FILTER R Satellite Control ...

Page 11: ...Service Guide SW S2 1 900 Version 1 2 Page 11 of 16 Chapter 4 Exploded View Woofer ...

Page 12: ...Service Guide SW S2 1 900 Version 1 2 Page 12 of 16 R Satellite Control ...

Page 13: ...Service Guide SW S2 1 900 Version 1 2 Page 13 of 16 L Satellite ...

Page 14: ...5 9 SW S2 1 900 Body Woofer 240V AU 20 101 06 10 SW S2 1 900 Body Woofer 240V UK 20 101 07 11 Loud speaker 4 4ohm 15W 1 PC E1049 20A 12 Robber pad woofer SW S2 1 900 4 PC 20 100 03 13 PCBA SW S2 1 900 1 SET 20 101 08 14 IC SJ4558 20 100 04 15 IC LM7812CV E1065 15 16 IC TEA2025B E1065 5R 17 IC TDA2007A E1065 4R 18 Transformer 120V 15VAC 1 6A 1 PC E1074 130 19 Transformer 230V 15VAC 1 6A E1074 129 2...

Page 15: ...D 6 SVR 3 VCC 8 IC3 TDA2007A C32 47uF 25V C31 2 2uF 50V EI 48 SW1 POWER 2A 130 C IN 120V 60Hz OUT AC15V 1 6A AC 120V 60Hz D1 SB240 D2 SB240 D3 SB240 D4 SB240 1 2 p CON2 1 2 J3 POWER V V Q31 S945 R38 1K Z51 5 1V C52 22uF 25V R54 10K 1 2 3 J1 LINE IN J3 SPK SPKOUT Q52 S945 R53 220K D51 1N4148 R42 4 7K R52 5 1K IN 1 12V 3 GND 2 IC1 LM7812CV R62 10K C60 1uF 50V VR1A B50K VR1B B50K R60 10K R61 330K C63...

Page 16: ...nce 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 repai...

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