Genius SP-P110 Manuale utente

KYE SYSTEMS CORP.

P-

-P

Version:1.0

Total 14 Pa

es (Cover Pa

e included)

Version: 1.0 Page 1/13

Version Date Changes

1．0 Official Release

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Revision History

Version: 1.0 Page 2/13

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

Chapter5. Part List…………………………………………………………………….11

Chapter6. Important Notes…………………………………………………………....12

6.1 Packing Requirement for sending the PCB Assembly by post……….…12

6.2 Short of Spare Parts while Repairing a Speaker System…………….….12

Chapter7. Circuit Schematic……………………………………………………………13

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Table of Contents

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Conventions Used in this Guide

PaySpecialAttention:Instructionsthatareimportantto

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.

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Getting Started

Attention

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

damage to the product.

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1.1 Overview

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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

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1.2 Problems

Item Problemdescriptions

1.2.1 PowerLED(indicator)unlighted

1.2.2 Does not work or one channel no sound

1.2.3 Noise

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Attention

1.2.1 Power LED (indicator) unlight

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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

Power LED

(indicator)

unlight

Diode D1.2.3.4

burnt

Defective power

itch

or LED

Secondary wire

transformer is

Disconnected

defective

Resolder or replace defective component(s)

Version: 1.0 Page 7/13

1.2.2 Does not work or one channel no sound

1.2.3 Noise

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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) Re

lace

Defective VR Replace defective IC

Component(s) around

IC is/are defective

Version: 1.0 Page 8/13

No. DESCRIPTION UNIT NOMINAL LIMIT

1 INPUT SENSITIVITYAT 10% mV 480 480+/-50

2 DISTORTION（1 KHz）AT 1W % 0.5 <3

3 OUTPUT POWER AT 10% DISTORTION W 0.5 0.5+/-0.15

4 S/N RATIO dB 65 ≥55

5 CHANNEL SEPARATION dB 46 ≥40

6 FREQUENCY RESPONSE

(DOWN3dB) (LOW)

(HIGH)

KHz

150

150+/-30

20+/-1

7 HUM LEVEL (AT VOL. MIN.)

HUM LEVEL (AT VOL. MAX.)

0.5

≤2

≤3

8 OPERATING VOLTAGE MAX.253VAC

MIN. 207VAC

TEST CONDITION:

1) LOAD 4Ω

2）RATED POWER 50 mW

VOLUME AT MAX.

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Chapter 2. Specifications

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Chapter 3. Block Diagram

POWER

AMPLIFIER

AUDIO INPUT

．

L．I

VOLUME

CONTROL

．

OUT

L．

R．CH SPEAKER

L．CH SPEAKER

TRANSFORMER AC INSTAND-BY FILTER

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