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KYE Systems Corp. Genius SP-S115, Service Manual

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Page: 9 / 19

KYE Systems Corp. Genius SP-S115 Service Manual Download Page 9

Service Guide

SP-S115

1.2.3. Noise

Problem

Analyze and

identify the

causes

Solutions

Version 1.0 Page 9 of 19

Noise

1. Filter capacitor not work,

dry-soldered, or diode damaged

2. Or Power supply for IC

TDA2822 abnormal

3. Or PCB broken or

dry-soldered

Or Vibration from too

long lead wire of driver

units; or damaged/

short-circuited driver

units;

Or VR poor connected;

Repair

Check and replace

Repair or replace

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Summary of Contents for Genius SP-S115

Page 1: ...Service Guide SP S115 SERVICE GUIDE KYE SYSTEM CORP Version 1 0 Page 1 of 19 ...

Page 2: ...Service Guide SP S115 Revision History Version Date Change 1 0 25 06 2010 Version 1 0 Page 2 of 19 ...

Page 3: ...hted 7 1 2 2 No sound 8 1 2 3 Noise 9 1 2 4 LED indicators no light when working 10 1 2 5 Volume switch no use 11 1 2 6 Headphone jack no use 12 Chapter 2 Specification 13 Chapter 3 Block diagram 14 Chapter 4 Exploded view 15 Active speaker 15 Passive speaker 16 Chapter 5 Part list 17 Active speaker 17 Passive speaker 17 Chapter 6 Important notes 18 Chapter 7 Schematic diagram 29 Version 1 0 Page ...

Page 4: ...ce 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 Do not perform any...

Page 5: ...rsion 1 0 Page 5 of 19 Receiving Defective speaker from customers Verifying problems Proceeding Necessary tests Verifying problems Proceeding Necessary tests Analyzing possible Malfunction cause Deciding proceeding the Rectification methods Replace necessary Defective parts Return the speakers with proper repacking to customers ...

Page 6: ... 2 Problems Item Problem Description 1 2 1 No power LED indicator unlighted 1 2 2 No sound 1 2 3 Noise 1 2 4 LED indicators no light when working 1 2 5 Volume switch no use 1 2 6 Headphone jack no use Version 1 0 Page 6 of 19 ...

Page 7: ...nded sequence to rectify the problems 1 2 1 No power LED indicator unlighted Problem Analyze and identify the causes Solutions Version 1 0 Page 7 of 19 Repair or replace Dry soldered secondary wire of transformer Defective or damaged D1 D1 diode resolder or replace No power LED indicator unlighted Power switch poor connected or defective Repair or replace ...

Page 8: ... Analyze and identify the causes Solutions Version 1 0 Page 8 of 19 PCB damaged dry soldered or short circuited Power supply for IC TDA2822 abnormal or damaged No sound Or VR1 damaged Repair or replace Repair or replace Repair resolder or replace ...

Page 9: ...9 of 19 Noise 1 Filter capacitor not work dry soldered or diode damaged 2 Or Power supply for IC TDA2822 abnormal 3 Or PCB broken or dry soldered Or Vibration from too long lead wire of driver units or damaged short circuited driver units Or VR poor connected Repair Check and replace Repair or replace ...

Page 10: ...icators no light when working Problem Analyze and identify the causes Solutions Version 1 0 Page 10 of 19 LED indicators no light when working 1 LED1 damaged or PCB copper foil broken 2 LED1 R7 defective or dry soldered Check and replace ...

Page 11: ...vice Guide SP S115 1 2 5 Volume switch no use Problem Analyze and identify the causes Solutions Version 1 0 Page 11 of 19 Volume switch no use 1 PCB dry soldered or broken 2 VR1 defective Check and replace ...

Page 12: ...Service Guide SP S115 1 2 6 Headphone jack no use Problem Analyze and identify the causes Solutions Version 1 0 Page 12 of 19 Headphone jack no use Poor connection in PS1 JACK Check and replace ...

Page 13: ...DISTOPTION 1kHz 0 25W OUT 2 4 2 4 3 6 FREQUENCY RESPONSE 1KHz 3DB LOW Hz 150 150 150 20 7 FREQUENCY RESPONSE 1KHz 3DB HI KHz 65 65 65 10 8 S N RATED O P POWER d B 60 60 60 9 CHANNEL UNBALANCE REF O P POWER d B 0 4 0 3 1 10 CHANNEL SEPARATION ONE CHANNELIN OTHER CHANNEL INPUT SHORTING d B 48 50 40 11 HUM NOISE VOLUME MAX INPUT SHORTING m V 0 5 0 5 1 12 HUM NOISE VOLUME MIN INPUT SHORTING m V 1 5 1 ...

Page 14: ...Service Guide SP S115 Version 1 0 Page 14 of 19 Chapter 3 Block diagram ...

Page 15: ...Service Guide SP S115 Active speaker Version 1 0 Page 15 of 19 Chapter 4 Exploded view ...

Page 16: ...Service Guide SP S115 Passive speaker Version 1 0 Page 16 of 19 Chapter 4 Exploded view ...

Page 17: ...ble pull relief EP41610113 9 screw 3 8PWA EP24140031 10 PCBA SP S115 ALSO 1 EP1P110008AI 11 press button SP S115 EP1C020048 12 rotating knob SP S115 EP21100081 13 IC TDA2822 EP1C010069 Passive speaker Serial NO Description Part No 1 S10l metal grill EP61000140 2 front cover Y050 EP40410158 3 driver unit A 103 1 EP16020071 5 back cover Y032 EP40610391 6 screw 3 8PA EP24100067 7 screw 3 12PB EP24110...

Page 18: ...arate static protecting bag in order to avoid static electricity Reliable external packing is also very important when sending the PCB assembly by post in that it would avoid unnecessarily lost or damage 6 2 Short of spare parts while repairing a speaker system If you are short of spare parts when you have some speaker systems waiting to be repaired it would be recommended to take the necessary pa...

Page 19: ...Service Guide SP S115 Version 1 0 Page 19of 19 Chapter 7 Schematic diagram ...

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