KYE Systems Corp. Genius SP-HF355X Manuale utente

KYE SYSTEMS CORP.

P-

-H

Version:1.0

Total 15 Pages (Cover Page included)

Version: 1.0 Page 1/15

Version Date Changes

1．0 Official Release

Guide

ervice SP-HF355X

Revision Histor

Version: 1.0 Page 2/15

Revision History……………………………………………………………… ……..1

Table of Contents………………………………………………… ………….2

Getting Started………………………………………………… ……….……………....3

Conventions Used in this Guide………………… ………...……………….3

Safety Precautions……………………………… ………………...………..3

Chapter1. How to Handle Defective Returns………………… ……………………….4

1.1 Overview……………………………………………………………….4

1.2 Problems………………………………………………………………..5

1.2.1 Power LED (indicator) Unlighted………………...……………......6

1.2.2 Does not work or one channel no sound……………………….…..7

1.2.3 Noise……………………………………………………………….7

Chapter2. Specifications………………………………………………………………..8

Chapter3. Block Diagram……………………………………………………………....9

Chapter4. Exploded View…………………………………………………………….…10-11

Chapter5. Part List……………………………………………………………………..12-13

Chapter6. Important Notes…………………………………………………………....14

6.1 Packing Requirement for sending the PCB Assembly by post……….…14

6.2 Short of Spare Parts while Repairing a Speaker System…………….….14

Chapter7. Circuit Schematic……………………………………………………………15

Guide

ervice SP-HF355X

Table of Contents

Version: 1.0 Page 3/15

Conventions Used in this Guide

Pay Special Attention: Instructions that areimportantto

remember and may prevent mistakes.

Safety Precautions

The following precautions should be observed in handling the speaker described in this guide:

Place the speakers on a flat level and stable surface.

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.

Disconnect the AC power cord from the AC outlet before performing any maintenance on the

speakers.

Do not perform any maintenance with wet hand.

Prevent foreign substance, such as water, other liquids or chemicals, from entering the speakers

while performing maintenance procedures on the speakers.

Guide

ervice SP-HF355X

Getting Started

Attention

Caution: Information that, if not followed, may result in

damage to the product.

Version: 1.0 Page 4/15

1.1 Overview

Guide

ervice SP-HF355X

Chapter 1. How to Handle Defective Returns

Receiving Defective

Speakers

from Customers

Verifying problems&

Proceeding necessary tests

Analyzing possible

Malfunction causes

Deciding & proceeding

the rectification methods

Replacing necessary

Defective parts

Proceeding tests

To verify if the speaker is

functioning normally

Functioning OK

Return the speakers with

Pro

er re

acka

to customers

Functioning NG Functioning OK

Functioning NG

Version: 1.0 Page 5/15

1.2 Problems

Item Problemdescriptions

1.2.1 Power LED (indicator) unlighted

1.2.2 Does not work or one channel no sound

1.2.3 Noise

Guide

ervice SP-HF355X

Version: 1.0 Page 6/15

Attention

1.2.1 Power LED (indicator) unlighted

Guide

ervice SP-HF355X

Please follow the numbered sequence marked within parenthesis given in individual

Flow chart, in that this is the best-recommended sequence to rectify the problems.

Problem

Analyze

and

Identify

the Causes

Solutions

Secondary wire Of

transformer is

Disconnedcted of

defective

CheckD1.2

.3.4

Check

LED

Defective power

Switch

Resolder or replace defective component（s）

Power LED （indicator）unlighted

Version: 1.0 Page 7/15

1.2.2 Does not work or one channel no sound

1.2.3 Noise

Guide

ervice SP-HF355X

Problem

Analyze and

Identify the

Causes

Solutions

Does not work or

One channel no sound

Broken o

Short circuit

Defective IC

Defective

Audio cable

Replace

Audio cable

Check solde

Points on PCB

And resolder

defective one(s)

Check and replace

Defective IC

Problem

Analyze and

Identify the

Causes

Solutions

Noise

Defective VR Defective IC

Check and replace

defective component(s)

Replace

Defective VR

Replace defective IC

Component(s) aroun

IC is/are defective

Version: 1.0 Page 8/15

Satellite

DESCRIPTION UNIT NOMINAL LIMIT

FR FL

1. FRONT OUTPUT POWER @THD 10% W 6 6 ≥5

2 SENSITIVITY（1KHz）@RATED O/P

POWER

mV 280 280

±50

3 SENSITIVITY(1KHz)@1W O/P POWER mV 110 110 ±15

4 MAX INPUT LEVEL@1% THD mV 220 220 ±40

5 FREQUENCY RESPONSE(1KHz=0dB)

10Hz dB -3 -3

±0.5

1K dB 0 0

±0.5

55K dB -3 -3

±0.5

6 S/N @RATED O/P POWER dB 65 65 ≥60

7 CHANNEL UNBALANCE @REF O/P

POWER

dB 0.3 0.3

≤0.5

8 CHANNEL SEPARATION(ONE

CHANNEL IN; OTHER CHANNEL INPUT

SHORTING)

dB 47 47

≥40

9 HUM NOISE (VR MAX)

(VOLUME MAX; INPUT SHORTING)

mV 4.5 4.5

≤10

10 HUM NOISE (VR MIN)

(VOLUME MIN. INPUT SHORTING)

mV 0.5 0.5 ≤5

Guide

ervice SP-HF355X

Chapter 2. Specifications

Version: 1.0 Page 9/15

AUDIO R&L INPUT

LINE INPUT

EQ ADJUST

TONE ADJUST

AMP OUTPUT

IC TDA2007

R SPK OUT

L SPK OUT

AC1

AC IN

！

14.5VAC/0.8A

130 C

！

EI-41

POWER SUPPLY

Guide

ervice SP-HF355X

Chapter 3. Block Diagram

Indice

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