Genius SP-HF1250A Service manual
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KYE SYSTEMS CORP.
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SSPP--HHFF11225500AA
Version:1.0
Total 16 Pages (Cover Page included)
y
ervice
s
Guide
Revision Histor
SP-HF1250A
Version Date Changes
1．0
Official Release
Version: 1.0 Page 1/15
ervice
s
Guide
SP-HF1250A
Table of Contents
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
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Getting Started
Conventions Used in this Guide
Pay Special Attention: Instructions that are important to
Attention
remember and may prevent mistakes.
Caution: Information that, if not followed, may result in
damage to the product.
SP-HF1250A
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.
Version: 1.0 Page 3/15
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Chapter 1. How to Handle Defective Returns
1.1 Overview
Receiving Defective
Speakers
from Customers
SP-HF1250A
Functioning NG
Verifying problems&
Proceeding necessary tests
Functioning NG
Analyzing possible
Malfunction causes
Deciding & proceeding
the rectification methods
Replacing necessary
Defective parts
Functioning OK
Proceeding tests
To verify if the speaker is
functioning normally
Pro
Functioning OK
Return the speakers with
er repackaging to customers
Version: 1.0 Page 4/15
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