Service Manuals, User Guides, Schematic Diagrams or docs for : . Rare and Ancient Equipment GENIUS Audio SP-HF1100X hfe_genius_sp-hf1100x_service_en
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Service Guide SP-HF1100X
SERVICE GUIDE
KYE SYSTEMS CORP
Version 1.0 Page 1 of 14
Service Guide SP-HF1100X
SP-HF1100X
Version:1.0
Revision History
Version Date Change
1.0 2008/03/06
Version 1.0 Page 2 of 14
Service Guide SP-HF1100X
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 L/R channels no sound 7
1.2.2 No power 8
Chapter 2. Specifications R/L 9
Chapter 3. Block Diagram 10
Chapter 4. Exploded View R / L 11
Chapter 5. Part List 12
Chapter 6. Schematic Diagram 13
Chapter 7. Important Notes 14
7.1 Packing Requirement for Sending the PCB Assembly by post 14
7.2 Short of Spare Parts while Repairing a Speaker system 14
Version 1.0 Page 3 of 14
Service Guide SP-HF1100X
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.
Version 1.0 Page 4 of 14
Service Guide SP-HF1100X
Chapter 1. How to Handle Defective Returns
1.1 Overview
Receiving Defective speaker form customers
Verifying problems
proceeding
necessary tests
Function NG
Analyzing possible
Function NG Function OK
malfunction causes
Deciding & proceeding the
rectification methods
Replace necessary
defective parts
Proceeding tests to
verify if the speaker is
functioning normally
Function OK
Return the speakers with proper
repackaging to customers
Version 1.0 Page 5 of 14
Service Guide SP-HF1100X
1.2 Problems
Item Problem Description
1.2.1 L/R channels no sound
1.2.2 NO power
Version 1.0 Page 6 of 14
Service Guide SP-HF1100X
* Attention
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 L/R channels no sound
Analyze and
Identify the Causes
Broken or short circuit Defective Speaker cable dis-connect or
U1,U2,VR1,VR2,VR3,
C1,C3,C21,C22,L1,L2, speaker damaged
PHONE1,CON3
Solutions Check solder points on Check and replace Re-connected speaker cable
PCB defective IC or or replace defective speakers
components
Version 1.0 Page 7 of 14
Service Guide SP-HF1100X
1.2.3 No power
No power
Problem
Analyze and
Identify the Causes
Broken or short circuit Defective Speaker cable dis-connect or
D1,D2,D3,D4, SW1,
Transformer speaker damaged
Check solder points on Check and replace Re-connected speaker cable
Solutions
PCB defective components or replace defective speakers
Version 1.0 Page 8 of 14
Service Guide SP-HF1100X
Chapter 2. Specifications
R/L (AT 1KHZ):
NO Description Unit Specifications
1 Out Power at THD 10% W >14
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