KYE Systems Corp. Genius SW-J2.1 1200 Скачать руководство пользователя страница 11 | Manualshive

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KYE Systems Corp. Genius SW-J2.1 1200 Скачать руководство пользователя страница 11

Service Guide

SW-J2.1 1200

1.2.5 Noise

Problem

Analyze and

identify the

causes

Solutions

Version 1.0 Page 11 of 23

Filter capacitor/ diode dry-soldered

or damaged, pls check EC14,

EC12,

EC1, EC6, EC13, D1

，

D2, D3, D4;

The power supply of each IC

is

normal or not;

PCB dry-solder or broken

Check and replace

Repair or replace

Repair

Driver units damaged

Woofer cabinet leaks,

closed not well.

Or caused by vibration from

too long lead wire of driver

units

Noise

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Содержание Genius SW-J2.1 1200

Страница 1: ...Service Guide SW J2 1 1200 SERVICE GUIDE KEY SYSTEM CORP Version 1 0 Page 1 of 23...

Страница 2: ...Service Guide SW J2 1 1200 Revision History Version Date Change 1 0 05 04 2009 Version 1 0 Page 2 of 23...

Страница 3: ...ound 9 1 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 S...

Страница 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...

Страница 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...

Страница 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...

Страница 7: ...Page 7 of 23 No power LED indicator unlighted Repair or replace Defective transformer Defective or damaged AC cable or power switch resolder or replace Or caused by the following 1 transformer seconda...

Страница 8: ...or broken Or G6 plug of the wired control defectively connected or damaged JK2 in YM9660 2 1L AMP PCB defective VR2 in YM9660 2 1L CON PCB damaged or PCB copper foil broken Repair or replace Repair o...

Страница 9: ...air or replace JK6 JK7 or VR2 in YM9660 2 1L CON PCB defective IC1 or IC3 or related components damaged in YM9660 2 1L AMP PCB Driver unit or speaker cable defective or loosely connected Audio cable d...

Страница 10: ...on Version 1 0 Page 10 of 23 PCB damaged dry soldered or short circuited 2 IC2 IC3 or VR1 or related components damaged in YM9660 2 1L AMP PCB Repair or replace Repair or replace Woofer driver unit Sp...

Страница 11: ...apacitor diode dry soldered or damaged pls check EC14 EC12 EC1 EC6 EC13 D1 D2 D3 D4 The power supply of each IC is normal or not PCB dry solder or broken Check and replace Repair or replace Repair Dri...

Страница 12: ...SW J2 1 1200 1 2 6 LED indicator no light Problem Analyze and identify the causes Solutions Version 1 0 Page 12 of 23 Check and replace 1 LED1 defective 2 YM9660 2 1L CON PCB short circuit LED indica...

Страница 13: ...0 1 2 7 Headpone jack output no sound Problem Analyze and identify the causes Solutions Version 1 0 Page 13 of 23 Check and replace JK7 in YM9660 2 1L CON PCB defective or its related copper foil brok...

Страница 14: ...e causes Solutions Version 1 0 Page 164of 23 VR Defective VR may cause wired control VR or bass VR having scratching sound when rotating Check and replace Check and replace Jack JK6 or JK7 in YM9660 2...

Страница 15: ...TION ONE CHANNELIN OTHER CHANNEL INPUT SHORTING d B 55 53 40 11 HUM NOISE VOLUME MAX INPUT SHORTING m V 0 6 0 6 2 12 HUM NOISE VOLUME MIN INPUT SHORTING m V 0 3 0 3 1 Woofer NO DESCRIPTION UNIT Normal...

Страница 16: ...Service Guide SW J2 1 1200 Version 1 0 Page 16 of 23 Chapter 3 Block diagram...

Страница 17: ...Service Guide SW J2 1 1200 Subwoofer Version 1 0 Page 17 of 23 Chapter 4 Exploded view...

Страница 18: ...Service Guide SW J2 1 1200 Satellite Version 1 0 Page 18 of 23 Chapter 4 Exploded view...

Страница 19: ...Service Guide SW J2 1 1200 Wired control Version 1 0 Page 19 of 23 Chapter 4 Exploded view...

Страница 20: ...tic bracket at woofer back P9600 2 1L EP40910384 11 footmat 18 3 0MM EP73060057 12 screw 4 22PWM EP24140016 13 black washer M4 EP25020002 14 M4 nut EP25010002 16 Driver unit A 105 9 EP16040018 17 Male...

Страница 21: ...EP73060055 6 footmat 10 1 5 Wired control rotating knob plastics EP40714157B 1 middle part of the wired control plastics EP40840046B 2 transparent LED cover EP41610069 3 screw 2 5 8BA EP24010027 4 HC...

Страница 22: ...eparate 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 d...

Страница 23: ...Service Guide SW J2 1 1200 SW J2 1 1200 AMP PCB Version 1 0 Page 23 of 23 Chapter 7 Schematic diagram...

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