background image

Service Guide                                                 

SP-i175 

                         

 

Version : 1.0

 

     

 

Page 4 of 14

 

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 . 

             

 

Summary of Contents for Genius SP-i175

Page 1: ...Service Guide SP i175 Version 1 0 Page 1 of 14 SERVICE GUIDE KYE SYSTEMS CORP SP i175 Version 1 0...

Page 2: ...Service Guide SP i175 Version 1 0 Page 2 of 14 Revision History Version Date Change 1 0 16 11 2011...

Page 3: ...Returns 5 1 1 Overview 5 1 2 Problems 6 1 2 1 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 1...

Page 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...

Page 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...

Page 6: ...Service Guide SP i175 Version 1 0 Page 6 of 14 1 2 Problems Item Problem Description 1 2 1 No sound 1 2 2 Power LED indicator no light 1 2 3 Volume no function...

Page 7: ...quence marked within parenthesis given in individual Flow chat in that this is the best recommended sequence to rectify the problems No sound Broken or short circuit Defective IC2 VR1 Speaker damaged...

Page 8: ...ator no light Power switch or LED defective Defective USB Jack Battery USB cable disconnected or defective Re solder or replace defective component s Analyzer and Identify the Causes Volume no functio...

Page 9: ...i175 Version 1 0 Page 9 of 14 Chapter 2 Specifications NO Description Unit Specifications 1 Out Power at THD 10 W 2 2 Freq Response 1KHz 3dB Hz 170 20K 10 3 Separation dB 40 4 S N ratio dB 70 5 Hum No...

Page 10: ...Service Guide SP i175 Version 1 0 Page 10 of 14 Chapter 3 Block Diagram AUDIO IN Volume Increase Decrease Power Amplifier Speaker USB POWER IN Battery AUDIO OUT...

Page 11: ...Service Guide SP i175 Version 1 0 Page 11 of 14 Chapter 4 Exploded View...

Page 12: ...mm SP i175 3 PC 33 100 01 4 PCBA SP i175 1 PC 33 101 02 5 IC EMC5754 1 PC E1065 62 6 IC PS4871 1 PC E1065 63 7 Li ion polymer battery 1 PC PM 005 8 S N Label on Body Gift box 2 PC 33 102 01 9 USB cab...

Page 13: ...Service Guide SP i175 Version 1 0 Page 13 of 14 Chapter 6 Schematic Diagram...

Page 14: ...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...

Reviews: