KYE Systems Corp. Genius SP-HF1100X User manual

KYE SYSTEMS CORP.
SP-HF1100X
Version: 2.0
Total 17Pages (Cover page included)

Page 1/17
Version: .02
Guide
Service
SP-HF1100X
Revision History
Version Date Changes
1.0 Official Release
2.0 November 15 2006,Schematic Diagram

Table of Contents
Page 2/17
Version: .02
Guide
Service
Revision History......................................................................................................................1
Table of Contents.....................................................................................................................2
Getting Started.........................................................................................................................3
Chapter 1. How to Handle Defective Returns.....................................................................4
Chapter 2. Specifications...................................................................................................10
Chapter 3. Block Diagram.................................................................................................11
Chapter 4. Exploded View..................................................................................................12
Chapter 5. Part List............................................................................................................13
Chapter 7. Schematic Diagram..........................................................................................15
Chapter 8. Important Notes...............................................................................................16
Conventions Used in this Guide..........................................................................3
Safety Precautions...............................................................................................3
1.1 Overview.......................................................................................................4
1.2 Problems.......................................................................................................5
1.2.1 Power LED (indicator) Unlight........................................................6
1.2.2 Does not work or one channel no sound...........................................7
1.2.3 Noise.................................................................................................7
8
1.2.
8.1 Packing Requirement for Sending the PCB Assembly by Post..................16
8.2 Short of Spare Parts while Repairing a Speaker System...........................16
1.2.4 Treble level too low or one channel no effect.................................
1.2.5 Bass level too low or one channel no effect....................................8
6 Headphone does not work................................................................9
Chapter 6. Other Key Parts..............................................................................................14
SP-HF1100X

Conventions Used in this Guide
Pay Special Attention: Instructions that are important to
remember and may prevent mistakes.
Attention
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.
Getting Started
Page 3/17
Version: .02
Guide
Service
SP-HF1100X

Chapter 1. How to Handle Defective Returns
Receiving Defective
Speakers
from Customers
Verifying problems &
proceeding necessary tests
Functioning NG
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
proper repackaging to customers
1.1 Overview
Functioning OK
Functioning NG
Page 4/17
Version: .02
Guide
Service
SP-HF1100X

1.2.5 Bass level too low or no effect
1.2 Problems
Item Problem Descriptions
1.2.1 Power LED (indicator) unlight
1.2.2 Does not work or one channel no sound
1.2.3 Noise
Page 5/17
Version: .02
Guide
Service
SP-HF1100X
1.2.4 Treble level too low or no effect
1.2.6 Headphone does not work

1.2.1 Power LED (indicator) unlight
Attention
Please follow the numbered sequence marked withing parenthesis given in individual
flow chart, in that this is the best-recommended sequence to rectify the problems.
Resolder or replace defective component(s)
Problem Power LED (indicator) unlight
Analyze and
Identify the
Causes
Solutions
Page 6/17
Version: .02
Guide
Service
Diode D1-D4
burnt
Defective power
switch or LED
Secondary wire
of transformer is
disconnected or
defective
SP-HF1100X

Problem
Analyze and
Identify the
Causes
Solutions
1.2.2 Does not work or one channel no sound
Defective
audio cable
Broken or
short circuit
Defective IC
U1 or U2
Does not work or
one channel no sound
Defective VR3 Defective IC
U1 or U2
Replace
defective VR
Replace defective IC
1.2.3 Noise
Problem
Analyze and
Identify the
Causes
Solutions
Noise
Page 7/17
Version: .02
Guide
Service
Replace
audio cable
Check solder
points on PCB
and resolder
defective one(s)
Check and replace
defective IC
SP-HF1100X

Page 8/17
Version: .02
Guide
Service
SP-HF1100X
Problem
Analyze and
Identify the
Causes
Solutions
1.2.4 Treble level too low or no effect
Defective VR1 R15 R20 or C5
is/are defective
or disconnected from PCB
,
Treble level too low or no effect
Replace defective VR Resolder or replace
defective component(s)
Problem
Analyze and
Identify the
Causes
Solutions
1.2.5 Bass level too low or no effect
Defective VR2 R6 R12 R22 R23 C20 C34
or C35 is/are defective
or disconnected from PCB
, ,,,,
Bass level too low or no effect
Replace defective VR Resolder or replace
defective component(s)

Page /197
Version: .02
Guide
Service
SP-HF1100X
Problem
Analyze and
Identify the
Causes
Solutions
1.2.6 Headphone does not work
Defective Phone jack or
poor connection with PCB
R1 or R2 defective or
disconnected from PCB
Replace defective Phone jack
or resolder the phone jack
Resolder or replace
defective component(s)
Headphone does not work