KYE Systems Corp. Genius SP-i175 Service Manual Download Page 7

Page: 7 / 14

Service Guide

SP-i175

Version : 1.0

Page 7 of 14

Attention

1.2.1 No sound

Problem

Solutions

Please follow the numbered sequence 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

Check solder points on

PCB

Check and Replace

defective IC , VR

Replace defective

speaker

Analyzer and

Identify the Causes

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...