KYE Systems Corp. Genius SW-5.1 1010 User manual

Service Guide SW-5.1 1010
SERVICE GUIDE
KYE SYSTEM CORP.
Version 1.0 Page 1 of 26

Service Guide SW-5.1 1010
Revision History
Version Date Change
1.0 2010/05/21
Version 1.0 Page 2 of 26

Service Guide SW-5.1 1010
Revision History………………………………………………………………….2
Table of contents……………………………………………………………...…3
Getting Start…………………………………………………….………………...4
Conventions Used in this Guide…………………………………………….…4
Safety Precautions………………………………………………………………4
Chapter 1. How to Handle Defective Returns……………………………….5
1.2 Problem………………………………………………………………………6
1.2.1 No power，LED （indicator）unlighted……………………………….7
1.2.2 No sound…………………………………………………………….…….8
1.2.3 Front channel no sound….……….……….…..…….……….……….…9
1.2.4 Rear channel no sound….……….……….….…….…….……….……10
1.2.5 Woofer no sound………………………………………………….…..…11
1.2.6 Center no sound………………………………………………….…..…12
1.2.7 Noise……………………………………………………………….…..…13
1.2.8 LED indicators no light………………………….………………..…….14
1.2.9. Remote control not work, ……………………..……..………………..15
Chapter 2. Specification…………………………………………………..……16
Satellite…………………………………………………………………….…….16
Woofer……………………………………………………………………………16
Chapter 3. Block diagram…………………………………………..………….17
Chapter 4. Exploded view………………………………………………………18
Subwoofer……………………………………………………………….……….18
Satellite……………………………………………………………………….…..19
Remote control……………………………………………………………………20
Chapter 5. Part list………………………………………………….…………......21
Woofer, satellite………..……………………………….………..…………….. 21
Remote control…………………………………………………………………..22
Chapter 6 Important notes……………………………………………………….23
Chapter 7 Schematic diagram……………………………………………..……24
Input and MCU PCB………………………………..……………………….……24
SATAMP…………….………………………………..……………………….……25
SWAMP…………….………………………………..………………………..……26
Version 1.0 Page 3 of 26
Table of Contents

Service Guide SW-5.1 1010
Getting Started
Conventions Used in the 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 handing 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.
Do not perform any maintenance with wet hand.
Preventforeignsubstance,such as water, other liquids or chemical, from entering
the speakers while performing maintenance procedures on the speakers.
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Service Guide SW-5.1 1010
Chapter 1. How to Handle Defective Returns
1.1 Overview
Function NG Function OK
FunctionNG
FunctionOK
Version 1.0 Page 5 of 26
Receiving Defective speaker from customers
Verifying problems
Proceeding
Necessary tests
Verifying problems
Proceeding
Necessary tests
Analyzing possible
Malfunction cause
Deciding & proceeding the
Rectification methods
Replace necessary
Defective parts
Return the speakers with proper
repacking to customers

Service Guide SW-5.1 1010
1.2 Problems
Item Problem Description
1.2.1 No power，LED （indicator）no light
1.2.2 No sound
1.2.3 Front channel no sound
1.2.4 Rear channel no sound
1.2.5 Woofer no sound
1.2.6 Center no sound
1.2.7 Noise
1.2.8 LEDindicatorsnolight
1.2.9 Remotecontrol not work, volume switch no use
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Service Guide SW-5.1 1010
*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 No power，LED （indicator）unlighted
Problem
Analyze
and
identify
the
causes
Solutions
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Repair or replace
Power switch
defective or
damaged
Defective transformer,
or AC cable or poor
connection of both
Repair or replace
No power，LED （indicator）unlighted
1. Poor connection between JK2 and JK4
2. PT1 in PCB dried –soldered or loose off
3. IC7 in PCB damaged or loosen from
PCB
Repair or replace

Service Guide SW-5.1 1010
1.2.2 no sound
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 8 of 26
PCB damaged,
dry-soldered or
short-circuited
1. Poor connection between
JK2 and JK4
No sound
Repair or replace Repair or replace
IC1,IC2,IC3,IC4,IC5,IC6 damaged or
defective
Repair, resolder or
replace

Service Guide SW-5.1 1010
1.2.3 Front channel no sound
Problem
Analyze and
identify the
causes
Solutions
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Front channel no sound
PCB damaged,
dry-soldered or
short-circuited
Front driver units, front speaker
cables, or output jack 6 damaged or
defective
Defective IC1, IC3 or Q1, Q2 in PCB
Replace or
replace
Replace or
replace
Re-connect, replace
or repair

Service Guide SW-5.1 1010
1.2.4 Rear channel no sound
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 10 of 26
Rear channel no sound
PCB damaged,
dry-soldered or
short-circuited
Rear driver units,
rear speaker
cables, or output
JK7 damaged or
defective
IC1, IC4, Q3, or Q4 in PCB defective or
damaged
Repair or
replace Re-connect,
replace or repair
Repair or
replace

Service Guide SW-5.1 1010
1.2.5 Woofer no sound
Problem
Analyze and
identify the
causes
Solutions
-
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Woofer no sound
Woofer driver unit
dry-soldered or
defective, woofer
speaker cable or
output jack
defective,
IC1, IC6 or Q6 in PCB defective or
damaged
Repair or replace Repair or replace
PCB damaged,
dry-soldered or
short-circuited
Repair or replace

Service Guide SW-5.1 1010
1.2.6 Center no sound
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 12 of 26
Center no sound
Output JK8, inner connecting wire
defective, or improperly- connected,
center driver unit or center speaker
cable dry-soldered or defective
IC1, IC5 or Q5 in PCB defective or
damaged
Repair or replace Repair or replace
PCB damaged,
dry-soldered or
short-circuited
Repair or replace

Service Guide SW-5.1 1010
1.2.7. Noise
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 13 of 26
Noise
Filter capacitor not work, or
dry-soldered, or commutation
diode dry-soldered or damaged
Or vibration from too long lead
wire of driver units;
Driver units damaged
PCB dried soldered, broken or short-circuited
Abnormal power supply or point voltage of each IC
IC1(BT2258),IC3(BT2025B),IC4(BT2025B),IC5(BT2
025B),IC6(TEA2025B)
Repair Repair or replace

Service Guide SW-5.1 1010
1.2.8. LED indicators no light
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 14 of 26
LED indicators no li
g
ht
LED1, R11 damaged, defective connection between JK4 and
JK2
PCB dried soldered or broken
Check and replace

Service Guide SW-5.1 1010
1.2.9. Remote control not work
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 15 of 26
Remote control not work
1. lower power supply of the
batteries
2. spring inside the remote
loosen or broken
3. Keystrokes can not work
properly
Check and replace
IC foot is not well soldered
R2，Q1，LED1, R1，IC1,CR1,CC1,CC2
In remote PCB defective or dried soldered
REM1，IC2，CC9 in AMP PCB defective or
damaged
Defective connection between JK4 and JK2
Check and replace

Service Guide SW-5.1 1010
Satellite
NOMINAL
NO DESCRIPTION UNIT CEN FR FL SR LIMIT
1 RATED OUTPUT POWER @THD 10% W 3.2 3.2 3.2 3.2 ≧2.5
2 SENSITIVITY (1KHz) @RATED O/P POWER m V 500 600 600 600 ±10%
3 SENSITIVITY (1KHz) @1W O/P POWER m V 245 290 290 285 ±10%
4 MAX INPUT LEVEL@1% THD m V 330 380 380 380 ±10%
5 FREQUENCY RESPONSE(1KHz -3DB )
LOW Hz 240 240 240 240 ±20
6 FREQUENCY RESPONSE(1KHz -3DB ) HI KHz 185 185 185 65 ±20
7 S/N@RATED O/P POWER d B 74 75 75 75 ≧70
8 CHANNEL UNBALANCE @REF O/P POWER d B 0.6 0.6 0.7 ≦1
9
CHANNEL SEPARATION(ONE
CHANNELIN;OTHER CHANNEL INPUT
SHORTING
d B 34 34 37 ≧30
10 HUM NOISE (VOLUME MAX;INPUT
SHORTING) m V 0.9 0.9 0.9 0.7 ≦2
11 HUM NOISE (VOLUME MIN INPUT
SHORTING) m V 0.7 0.7 0.7 0.6 ≦1.5
Woofer
NO DESCRIPTION UNIT NOMINAL LIMIT
1 RATED OUTPUT POWER@100Hz(10%THD) W 6.3 ≧5.5
2 SENSITVITY(100Hz)@RATED O/P POWER m V 130 ±30
3 SENSITIVITY(100Hz)@1W O/P POWER m V 40 ±10
4 MAX INPUT LEVEL@1% THD m V 100 ±10
5 DISTORTION@100Hz REF O/P POWER % 0.8 ≦1
6 FREQUENCY RESPONSE (100Hz
-3DB)LOW Hz 38 ±5
7 FREQUENCY RESPONSE (100Hz -3DB)HI Hz 260 ±15
8 S/N RATIO@100Hz RATED O/P POWER d B 72.5 ≧70
9 VR MIN NOISE (INPUT SHORTING) m V 1.1 ≦1.5
10 VR MAX NOISE &HUM (INPUT SHORTING) m V 1.5 ≦2
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Chapter 2. Specifications

Service Guide SW-5.1 1010
Version 1.0 Page 17 of 26
Chapter 3 Block diagram

Service Guide SW-5.1 1010
Subwoofer
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Chapter 4 Exploded view

Service Guide SW-5.1 1010
Satellite
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Chapter 4 Exploded view

Service Guide SW-5.1 1010
Remote control
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Chapter 4 Exploded view