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Service Guide                                                 

SP-U110 

                         

 

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 USB cable from USB jack 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 . 

             

 

 

Содержание Genius SP-U110

Страница 1: ...Service Guide SP U110 Version 1 0 Page 1 of 15 SERVICE GUIDE KYE SYSTEMS CORP SP U110...

Страница 2: ...Service Guide SP U110 Version 1 0 Page 2 of 15 Version 1 0 Revision History Version Date Change 1 0 10 22 2010...

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

Страница 4: ...peakers 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 su...

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

Страница 6: ...Service Guide SP U110 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...

Страница 7: ...hesis 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...

Страница 8: ...r LED indicator no light Power switch or LED defective Defective R1 C1 C2 USB cord of disconnected or defective Re solder or replace defective component s Analyzer and Identify the Causes Volume no fu...

Страница 9: ...1 0 Page 9 of 15 Chapter 2 Specifications NO Description Unit Specifications 1 Out Power at THD 10 W 0 25 2 Sensitivity mV 400 40 3 Freq Response Top 3dB Hz 150 20K 10 4 Separation dB 40 5 S N ratio d...

Страница 10: ...Service Guide SP U110 Version 1 0 Page 10 of 15 Chapter 3 Block Diagram AUDIO IN Volume Increase Power Amplifier R CH Speaker USB IN L CH Speaker Volume Decrease...

Страница 11: ...Service Guide SP U110 Version 1 0 Page 11 of 15 Chapter 4 Exploded View Host...

Страница 12: ...Service Guide SP U110 Version 1 0 Page 12 of 15 Satellite...

Страница 13: ...hapter 5 Part List No DESCRIPTION Qty UNIT Part No 1 SP U110 Body 1 SET 32 101 01 2 Loud speaker 5090 4 ohm 3W 2 PC E1049 48A 3 EVA Pad SP U110 8 PC 32 100 01 4 PCBA SP U110 1 SET 32 101 02 5 IC ICL28...

Страница 14: ...Service Guide SP U110 Version 1 0 Page 14 of 15 Chapter 6 Schematic Diagram...

Страница 15: ...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...

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