KYE Systems Corp. Genius SP-HF2.0 1250 Скачать руководство пользователя страница 5

Страница: 5 / 15

Service Guide

SP-HF2.0 1250

Chapter 1. How to Handle Defective Returns

1.1

Overview

Version : 1.0

Page 5 of 15

Verifying problems

Proceeding necessary tests

Receiving Defective speakers form

Customers

Analyzing possible malfunction

causes

Deciding & proceeding the

rectification methods

Replace necessary defective parts

Proceeding tests to
Verify if the speaker is
functioning normally

Return the speakers with proper
repackaging to customers

Function NG

Function OK

Function NG

Содержание Genius SP-HF2.0 1250

Страница 1: ...Service Guide SP HF2 0 1250 SERVICE GUIDE KYE SYSTEMS CORP SP HF2 0 1250 Version 1 0 Version 1 0 Page 1 of 15...

Страница 2: ...Service Guide SP HF2 0 1250 Revision History Version Date Change 1 0 02 03 2005 Version 1 0 Page 2 of 15...

Страница 3: ...6 1 2 1 One or more channels no sound 7 1 2 2 Power LED indicator no light 8 1 2 3 Volume Treble Bass no function 8 Chapter 2 Specifications 9 Chapter 3 Block Diagram 10 Chapter 4 Exploded View 11 Cha...

Страница 4: ...bject 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 v...

Страница 5: ...sary tests Receiving Defective speakers form Customers Analyzing possible malfunction causes Deciding proceeding the rectification methods Replace necessary defective parts Proceeding tests to Verify...

Страница 6: ...Service Guide SP HF2 0 1250 1 2 Problems Item Problem Description 1 2 1 One or more channels no sound 1 2 2 Power LED indicator no light Version 1 0 Page 6 of 15 1 2 3 Volume Treble Bass no function...

Страница 7: ...enthesis given in individual Flow chat in that this is the best recommended sequence to rectify the problems One or more channels no sound Broken or short circuit Defective U1 U4 Speaker cable dis con...

Страница 8: ...no light Power switch or LED Defective D1 4 ZD1 ZD2 R37 R3 8 R47 AC cord of transformer disconnected or defective Re solder or replace defective component s Analyzer and Identify the Causes Volume Tr...

Страница 9: ...r 2 Specifications NO Description Unit Specifications 1 Out Power at THD 10 W 20 2 Sensitivity mV 300 70 3 Freq Response Ref 3dB Hz 20Hz 20KHz 10 4 Separation dB 40 5 S N ratio dB 50 6 Hum Noise Vol m...

Страница 10: ...ervice Guide SP HF2 0 1250 Chapter 3 Block Diagram Version 1 0 Page 10 of 15 AUDIO IN Bass Control Power Amplifier Host Speaker AC IN Satellite Speaker Treble Control Volume Control Transformer Filter...

Страница 11: ...Service Guide SP HF2 0 1250 Chapter 4 Exploded View Host Version 1 0 Page 11 of 15...

Страница 12: ...Service Guide SP HF2 0 1250 Satellite Version 1 0 Page 12 of 15...

Страница 13: ...00 02 11 IC YG4558 SW Flat2 1 1250 1 PC 2 100 05 12 TRANSFORMER 120V 13 4VX2 2 2A 7 100 03 13 TRANSFORMER 230V 13 4VX2 2 2A 7 100 04 14 TRANSFORMER 240V 13 4VX2 2 2A 1 PC 7 100 05 15 Input Audio Cable...

Страница 14: ...Service Guide SP HF2 0 1250 Chapter 6 Schematic Diagram Version 1 0 Page 14 of 15...

Страница 15: ...k 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 in that it would avoid...