KYE Systems Corp. Genius SW-J2.1 500 Service Manual Download Page 5 | Manualshive

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Service Guide

SW-J2.1 500

Chapter 1. How to Handle Defective Returns

1.1 Overview

Function NG

Function OK

Function NG

Function OK

Version 1.0 Page 5 of 23

Receiving Defective speaker from customers

Return the speakers with proper

repacking to customers

Verifying problems

Proceeding

Necessary tests

Analyzing possible

Malfunction cause

Deciding & proceeding the

Rectification methods

Replace necessary

Defective parts

Verifying problems

Proceeding

Necessary tests

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Summary of Contents for Genius SW-J2.1 500

Page 1: ...Service Guide SW J2 1 500 SERVICE GUIDE KEY SYSTEM CORP Version 1 0 Page 1 of 23...

Page 2: ...Service Guide SW J2 1 500 Revision History Version Date Change 1 0 06 08 2009 Version 1 0 Page 2 of 23...

Page 3: ...2 4 Woofer no sound 10 1 2 5 Noise 11 1 2 6 LED indicators no light 12 1 2 7 Headphone jack output no sound 13 1 2 8 VR headphone jack or line in jack abnormal 14 Chapter 2 Specification 15 Satellite...

Page 4: ...ace 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 anythi...

Page 5: ...ersion 1 0 Page 5 of 23 Receiving Defective speaker from customers Return the speakers with proper repacking to customers Verifying problems Proceeding Necessary tests Analyzing possible Malfunction c...

Page 6: ...1 2 1 No power LED indicator no light 1 2 2 No sound 1 2 3 Right or left channel no sound 1 2 4 Woofer no sound 1 2 5 Noise 1 2 6 LED indicator no light 1 2 7 Headphone jack output no sound 1 2 8 VR h...

Page 7: ...1 2 1 No power LED indicator unlighted Problem Analyze and identify the causes Solutions Version 1 0 Page 7 of 23 No power LED indicator unlighted Repair or replace Defective transformer Defective or...

Page 8: ...e 8 of 23 No sound PCB short circuited dry soldered or broken JK1 in J2 1 500 AMP and JK3 in J2 1 500 CON is not properly connected Repair or replace Repair or replace Or caused by the following defec...

Page 9: ...JK2 or JK4 defective in J2 1 500 CON PCB 2 Or caused by the following defective components R4 R11 MC2 MC5 R8 R10 CC2 CC1 R5R8 M C3 MC4 EC7 EC6 EC20 EC19 IC1 IC2 SP2 Driver unit or speaker cable defec...

Page 10: ...the causes Solution Version 1 0 Page 10 of 23 PCB damaged dry soldered or short circuited VR2 in J2 1 500 AMP PCB defective Repair or replace Repair or replace Woofer driver unit Speaker cable of J2...

Page 11: ...r diode dry soldered or damaged pls check EC16 EC2 EC10 EC13 EC5 EC15 D1 D2 D3 D4 in J2 1 500 AMP defective or not The power supply of each IC is normal or not Or caused by vibration from too long lea...

Page 12: ...ify the causes Solutions Version 1 0 Page 12 of 23 Check and replace 1 PCB damaged dry soldered or short circuited 2 R1 in J2 1 500AMP PCB R1defective 3 Poor connection of JK1 in J2 1 500AMP PCB and J...

Page 13: ...0 1 2 7 Headphone jack output no sound Problem Analyze and identify the causes Solutions Version 1 0 Page 13 of 23 Check and replace JK2 in J2 1 500 CON PCB defective or its related copper foil broken...

Page 14: ...uses Solutions Version 1 0 Page 164of 23 VR Defective VR may cause VR1 in J2 1 500CON PCB or VR2 in J2 1 500AMP PCB having scratching sound when rotating Check and replace Check and replace Jack JK2 o...

Page 15: ...ONE CHANNELIN OTHER CHANNEL INPUT SHORTING d B 51 50 40 10 HUM NOISE VOLUME MAX INPUT SHORTING 11 m V 0 6 0 7 2 12 HUM NOISE VOLUME MIN INPUT SHORTING m V 0 3 0 4 1 Woofer NO DESCRIPTION UNIT Normal L...

Page 16: ...Service Guide SW J2 1 500 Version 1 0 Page 16 of 23 Chapter 3 Block diagram...

Page 17: ...Service Guide SW J2 1 500 Subwoofer Version 1 0 Page 17 of 23 Chapter 4 Exploded view...

Page 18: ...Service Guide SW J2 1 500 Right Satellite Version 1 0 Page 18 of 23 Chapter 4 Exploded view...

Page 19: ...Service Guide SW J2 1 500 Left Satellite Version 1 0 Page 19 of 23 Chapter 4 Exploded view...

Page 20: ...03A driver unit A 862 3 EP16030073 PCBA J2 1 500 EPH1P500001 knob YM230 EP40711187 power switch EP19030008 transformer 230V 50HZ 10V 1 5A EP13500056 woofer driver unit cloth cover J2 1 500 EP41010173...

Page 21: ...0338 EP41610019 LED cover KA 814 2 1 EP15500005 PCBA J2 1 500 94HB Back cover Y036 2 EP40610401 Knob J200 EP40711186 VR1 16KG B10K L12F EP1B010084 Left Satellite Description Part NO cloth grill of sat...

Page 22: ...parate 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 da...

Page 23: ...Service Guide SW J2 1 500 SW J2 1 500 PCB Version 1 0 Page 23 of 23 Chapter 7 Schematic diagram...

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