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Service Guide                                           

SW-S2.1 350   

                         

 

Version : 1.0

 

     

 

Page 4 of 15

 

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 . 

 

 

 

     

Safety Precautions 

The following precautions should be observed in handling the speaker 

Described in this guide :   

Place the speakers on a flat, level and stable surface. 

Do not place the 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 AC outlet before performing   

any maintenance on the speakers .   

Do not perform any maintenance with wet hand .   

Prevent foreign substances, such as water, other liquids or chemicals ,   

From entering the speakers while performing maintenance procedures 

on the speakers . 

             

 

 

Summary of Contents for Genius SW-S2.1 350

Page 1: ...Service Guide SW S2 1 350 Version 1 0 Page 1 of 15 SERVICE GUIDE KYE SYSTEMS CORP SW S2 1 350...

Page 2: ...Service Guide SW S2 1 350 Version 1 0 Page 2 of 15 Version 1 0 Revision History Version Date Change 1 0 07 18 2007...

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 no function 8 Chapter 2 Specifications 9 Chapter 3 Block Diagram 10 Chapter 4 Expl...

Page 4: ...akers 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 subw...

Page 5: ...ary tests Receiving Defective speakers from Customers Analyzing possible malfunction causes Deciding proceeding the rectification methods Replace necessary defective parts Proceeding tests to Verify i...

Page 6: ...Service Guide SW S2 1 350 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: ...sis 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 U3A U3B Speaker cable dis...

Page 8: ...tive D60 D63 VR1 Power R60 R61 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 V...

Page 9: ...er at THD 10 W 5 0 4 2 Sensitivity mV 130 50 3 Freq Response Ref 3dB Hz 55Hz 380Hz 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 2 0...

Page 10: ...Service Guide SW S2 1 350 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 S2 1 350 Version 1 0 Page 11 of 15 Chapter 4 Exploded View Woofer...

Page 12: ...Service Guide SW S2 1 350 Version 1 0 Page 12 of 15 Satellite...

Page 13: ...350 Body Woofer 230 EU Silver 16 101 07 10 Loud Speaker 3 8 ohm 5W 1 PC 16 100 02 11 Rubber Pad woofer SW S2 1 350 4 PC 16 100 03 12 PCBA SW S2 1 350 1 PC 16 101 08 13 IC YW4558 1 PC 11 100 04 14 IC...

Page 14: ...Service Guide SW S2 1 350 Version 1 0 Page 14 of 15 Chapter 6 Schematic Diagram...

Page 15: ...ce 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 po...

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