KYE Systems Corp. Genius SP-F200 User manual

Service Guide SP-F200
SERVICE GUIDE
KYE SYSTEMS CORP
Version 1.0 Page 1 of 15

Service Guide SP-F200
SP-F200
Version:1.0
Revision History
Version Date Change
1.0 28/05/2006
Version 1.0 Page 2 of 15

Service Guide SP-F200
Table of Contents
RevisionHistory 2
TableofContents 3
GettingStarted 4
Conventions Used in this Guide 4
SafetyPrecautions 4
Chapter 1. How to Handle Defective Returns 5
1.1Overview 5
1.2Problems 6
1.2.1 L/R channels no sound 7
1.2.2No power 8
Chapter 2. Specifications Satellite 9
Chapter 3. Block Diagram 10
Chapter 4. Exploded View Satellite 11--12
Chapter 5. Part List 13
Chapter 6. Schematic Diagram 14
Chapter 7. Important Notes 15
7.1 Packing Requirement for Sending the PCB Assembly by post 15
7.2 Short of Spare Parts while Repairing a Speaker system 15
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Service Guide SP-F200
Getting Started
Conventions Used in this Guide
Pay Special Attention: Instructions that are important to remember and may
prevent mistakes.
Caution: Information that, if not followed, may result in damage to the
product.
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 substances, such as water, other liquids or chemical, from
entering the speakers while performing maintenance procedures on the
speakers.
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Service Guide SP-F200
Chapter 1. How to Handle Defective Returns
1.1 Overview
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Receiving Defective speaker form customers
Analyzing possible
malfunction causes
Deciding & proceeding the
rectification methods
Replace necessary
defective
p
arts
Return the speakers with proper
re
p
acka
g
in
g
to customers
Verifying problems
proceeding
necessar
y
tests
Proceeding tests to
verify if the speaker is
functionin
g
normall
y
Function OK
Function NG
Function OKFunction NG

Service Guide SP-F200
1.2 Problems
Item Problem Description
1.2.1 L/R channels no sound
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1.2.2 NO power
* Attention

Service Guide SP-F200
Please follow the numbered sequence marked within parenthesis given in individual
Flow chat, in that this is the best-recommended sequence to rectify the problems.
1.2.1 L/R channels no sound
Problem
Analyze and
Identify the Causes
Solutions
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L/R channels no sound
Broken or short circuit
Check solder points on
PCB
Defective
U1,VR2,Phone JK
C22,C23,C24,C5,C6,C
15,C16,C21,C121,R1 ,
R11
Speaker cable dis-connect or
speaker damaged
Re-connected speaker cable
or replace defective speakers
Check and replace
defective IC or
components

Service Guide SP-F200
1.2.2 No power
Problem
Analyze and
Identify the Causes
Solutions
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No power
Broken or short circuit
Check solder points on
PCB
Defective
D1~D4,C24
Power SW,
Transformer,
Speaker cable dis-connect or
speaker damaged
Re-connected speaker cable
or replace defective speakers
Check and replace
defective components

Service Guide SP-F200
Chapter 2. Specifications
Satellite – Front (AT 1KHZ):
NO Description Unit Specifications
1 Out Power at THD 10% W 4± 0.5
2 Sensitivity mV 550 ± 55
3 Freq Response (Ref:-3dB) Hz 100~20K
4 Separation dB > 35
5 S/N ratio dB > 45
6 Hum & Noise Vol:max mV < 3
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Service Guide SP-F200
Chapter 3. Block Diagram
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