KYE Systems Corp. Genius SW-2.1 355 Скачать руководство пользователя страница 11 | Manualshive

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Service Guide

SW-2.1 355

1.2.5 Woofer no sound

Problem

Analyze and

identify the

causes

Solutions

-

Version 1.0 Page 11 of 20

Woofer driver unit

dry-soldered or

defective

Repair or replace

Repair or replace

1. Defective assembled line between

CON1 and CON2

2. R9

，

R10

，

C15

，

C18

，

R14VR2

，

R15,

C20

，

C21

，

CON4 dry-soldered tor

defective

3. U2 /U3 or the components around

defective or dry-soldered

Woofer no sound

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Содержание Genius SW-2.1 355

Страница 1: ...Service Guide SW 2 1 355 SERVICE GUIDE KEY SYSTEM CORP Version 1 0 Page 1 of 20...

Страница 2: ...Service Guide SW 2 1 355 Revision History Version Date Change 1 0 15 11 2007 Version 1 0 Page 2 of 20...

Страница 3: ...1 2 2 No sound 8 1 2 3 Right channel no sound 9 1 2 4 Left channel no sound 10 1 2 6 Woofer no sound 11 1 2 9 Noise 12 1 2 10 LED indicators no light 13 Chapter 2 Specification 14 Satellite 14 Woofer...

Страница 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 anythin...

Страница 5: ...rsion 1 0 Page 5 of 20 Receiving Defective speaker from customers Verifying problems Proceeding Necessary tests Return the speakers with proper repacking to customers Analyzing possible Malfunction ca...

Страница 6: ...oblems Item Problem Description 1 2 1 No power LED indicator no light 1 2 2 No sound 1 2 3 Right channel no sound 1 2 4 Left channel no sound 1 2 5 Woofer no sound 1 2 6 Noise 1 2 7 LED indicators no...

Страница 7: ...ce 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 20 Defective soldering of transformer secondary wire and CON4...

Страница 8: ...ersion 1 0 Page 8 of 20 No sound Input cable damaged or defective 8P assembled line defectively connected between CON1 and CON2 PCB short circuited dry soldered or damaged Repair resolder or replace R...

Страница 9: ...aker cable damaged or defective Right driver unit dry soldered or defective 1 Defective JK1 JK2 2 Defective assembled line between CON1 and CON2 3 Defective or dry soldered R8 R1 C1 R19 C3 C10 U1 or V...

Страница 10: ...Speaker cable damaged or defective Left driver unit dry soldered or defective 1 Defective JK1 JK2 2 Defective assembled line between CON1 and CON2 3 Defective or dry soldered R7 R2 C2 R20 C4 C11 U1 VR...

Страница 11: ...ersion 1 0 Page 11 of 20 Woofer driver unit dry soldered or defective Repair or replace Repair or replace 1 Defective assembled line between CON1 and CON2 2 R9 R10 C15 C18 R14VR2 R15 C20 C21 CON4 dry...

Страница 12: ...tions Version 1 0 Page 12 of 20 Check and replace Repair or replace Driver units damaged Vibration from too long lead wire of driver units Repair 1 D1 D4 C29 dry soldered or defective 2 U1 U2 U3 or th...

Страница 13: ...1 2 7 LED indicators no light Problem Analyze and identify the causes Solutions Version 1 0 Page 13 of 20 Check and replace 1 Defective dry soldered or broken PCB 2 R18 LED defective or dry soldered...

Страница 14: ...CHANNEL INPUT SHORTING d B 0 5 1 HUM NOISE VR MAX VOLUME MAX INPUT SHORTING m V 0 6 1 9 10 1HUM NOISE VR MIN VOLUME MIN INPUT SHORTING m V 0 8 2 Woofer NO DESCRIPTION UNIT NOMINAL LIMIT 1 RATED OUTPUT...

Страница 15: ...Service Guide SW 2 1 355 Version 1 0 Page 15 of 20 Chapter 3 Block diagram...

Страница 16: ...Service Guide SW 2 1 355 Subwoofer Version 1 0 Page 16 of 20 Chapter 4 Exploded view...

Страница 17: ...Service Guide SW 2 1 355 Satellite Version 1 0 Page 17 of 20 Chapter 4 Exploded view...

Страница 18: ...ofer back board EP53355J01 10 power switch EP19030008 11 AC cable 1 5m EP32020044 12 Bush EP41610059 13 AL heat sink 36 20 15MM EP23011042 14 IC BT2025CP U1 TEA2025B U2 EPIC020001 EPIC010071 15 PCB 13...

Страница 19: ...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...

Страница 20: ...Service Guide SW 2 1 355 Version 1 0 Page 20 of 20 Chapter 7 Schematic diagram...

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