Genius SP-HF800A Service manual
Service Guide SP-HF800A
SERVICE GUIDE
KYE SYSTEMS CORP
Version 1.0 Page 1 of 15
SP-HF800A
Version:1.0
Service Guide SP-HF800A
Revision History
Version Date Change
1.0 06/20/2011
Version : 1.0 Page 2 of 15
Service Guide SP-HF800A
Table of Contents
Revision History …………………………………………………………………….2
Table of Contents ……………………………………………………………………3
Getting Started ………………………………………………………………………4
Conventions Used in this Guide ……………………………………….4
Safety Precautions ……………………………………………………..4
Chapter 1. How to Handle Defective Returns……………………………………..5
1.1 Overview …………………………………………………………..5
1.2 Problems …………………………………………………………...6
1.2.1 One or more channels no sound ………………..…7
1.2.2 Power LED (indicator) no light………………....…8
1.2.3 Volume no function...…………………….………..8
Chapter 2. Specifications …………………………………………………………9
Chapter 3. Block Diagram ……………………………………………………….11
Chapter 4. Exploded View ……………………………………………………….12
Chapter 5. Part List ………………………………………………………………15
Chapter 6. Schematic Diagram …………………………………………………..17
Chapter 7. Important Notes ………………………………………………………19
7.1 Packing Requirement for Sending the PCB Assembly by Post …..19
7.2 Short of Spare Parts while Repairing a Speaker System …………19
Version : 1.0 Page 3 of 15
Service Guide SP-HF800A
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 chemicals ,
From entering the speakers while performing maintenance procedures
on the speakers .
Version : 1.0 Page 4 of 15
Service Guide SP-HF800A
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Chapter 1. How to Handle Defective Returns
1.1 Overview
Receiving Defective speaker form customers
Verifying problems
proceeding
necessar
Function NG
tests
Analyzing possible
malfunction causes
Deciding & proceeding the
rectification methods
Replace necessary
defective
Proceeding tests to
verify if the speaker is
functionin
arts
normall
Function OKFunction NG
Function OK
Return the speakers with proper
re
ackaging to customers
Version : 1.0 Page 5 of 15
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