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KYE Systems Corp. Genius SP-i205U, Руководство по обслуживанию

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Service Guide                                                 

SP-i205U 

                         

 

Version : 1.0

 

     

 

Page 10 of 14

 

Chapter 3.  Block Diagram 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

USB 

speaker 

chip 

R.CH Speaker 

L.CH Speaker 

PC 

NB 

USB port 

Keys 

 

( Power ,  , Volume - ) 

Содержание Genius SP-i205U

Страница 1: ...Service Guide SP i205U Version 1 0 Page 1 of 14 SERVICE GUIDE KYE SYSTEMS CORP SP i205U Version 1 0...

Страница 2: ...Service Guide SP i205U Version 1 0 Page 2 of 14 Revision History Version Date Change 1 0 21 5 2009...

Страница 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...

Страница 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 s...

Страница 5: ...ry 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 i205U Version 1 0 Page 6 of 14 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: ...sequence marked within parenthesis 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 U...

Страница 8: ...cator no light Power switch or LED defective Defective U1 Q1 Q2 USB cable disconnected or defective Re solder or replace defective component s Analyzer and Identify the Causes Volume no function Broke...

Страница 9: ...Version 1 0 Page 9 of 14 Chapter 2 Specifications NO Description Unit Specifications 1 Out Power at THD 10 W 1 Actual 0 6 2 Freq Response 1KHz 3dB Hz 20 20K 10 3 Separation dB 40 4 S N ratio dB 70 5...

Страница 10: ...Service Guide SP i205U Version 1 0 Page 10 of 14 Chapter 3 Block Diagram USB speaker chip R CH Speaker L CH Speaker PC NB USB port Keys Power Volume Volume...

Страница 11: ...Service Guide SP i205U Version 1 0 Page 11 of 14 Chapter 4 Exploded View...

Страница 12: ...1 01 2 Loud Speaker 48mm 4ohm 2W 2 PC E1049 42 3 Rubber Pad 32x3 4 mm SP i205U 2 PC 28 100 01 4 PCBA SP i205U 1 PC 28 101 02 5 IC BU20360 1 PC E1065 47 6 S N Label on Body Gift box 2 PC 28 102 01 7 Gi...

Страница 13: ...Service Guide SP i205U Version 1 0 Page 13 of 14 Chapter 6 Schematic Diagram...

Страница 14: ...e 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 pos...

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