KYE Systems Corp. Genius SW-HF 5.1 5050 User manual

Service Guide SW-HF 5.1 5050
SERVICE GUIDE
KYE SYSTEM CORP
Version 1.1 Page 1 of 31

Service Guide SW-HF 5.1 5050
Revision History
Version Date Change
1.0 06/11/2009
Version 1.1 Page 2 of 31

Service Guide SW-HF 5.1 5050
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 (including either FR or FL no sound)….……9
1.2.4 Rear channel no sound (including either RR or RL no sound)...……10
1.2.5 Center no sound…………………………………………………………11
1.2.6 Woofer no sound………………………………………………….…..…12
1.2.7 Input no sound………………………………………………….……..…13
1.2.8 Remote control no use………………………………….………….…...14
1.2.9 Noise………………………….……………………….……………..….15
1.2.10 LED indicators abnormal…………………………………….………..16
1.2.11 Keystrokes in the front panel no use…………………………………17
Chapter 2. Specification…………………………………………………..……18
Satellite…………………………………………………………………….…….18
Woofer……………………………………………………………………………19
Chapter 3. Block diagram…………………………………………..………….20
Chapter 4. Exploded view………………………………………………………21
Subwoofer……………………………………………………………….……….21
Satellite (Center)…………………………………………………..…….………22
Satellite (Front)……………………………………………………..…………...23
Satellite (Rear)……………………………………………………..……………23
Chapter 5. Part list…………………………………… …………….…………...24
Woofer………………………………………………………….………………..24
Center…………………………………………………………………………...25
Rear………………………………………………………………….…..……...25
Front………………………………………………………………..……..……..25
Chapter 6 Important notes……………………………………………………….26
Chapter 7 Circuit diagram………………………………………………………..27
SW-HF 5.1 INPUT PCB……………………………………….…….………...27
SW-HF 5.1 CON PCB…………………………………………..……………..28
SW-HF 5.1 AMP PCB………………………………………………………….29
SW-HF 5.1 SWAMP PCB……………………………………………………..30
SW-HF 5.1 REM PCB………………………………………….………………31
Version 1.1 Page 3 of 31
Table of Contents

Service Guide SW-HF 5.1 5050
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.
Donotallowanythingtodrop 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.
Version 1.1 Page 4 of 31

Service Guide SW-HF 5.1 5050
Chapter 1. How to Handle Defective Returns
1.1 Overview
Function NG Function OK
FunctionNG
FunctionOK
Version 1.1 Page 5 of 31
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-HF 5.1 5050
1.2 Problems
Item Problem Description
1.2.1 No power，LED （indicator）
1.2.2 No sound
1.2.3 Front channel no sound (including either FR or FL no sound)
1.2.4 Rearchannelno sound (including either RR or RL no sound)
1.2.5 Center no sound
1.2.6 Woofer no sound
1.2.7 input no sound
1.2.8 Remote control no use
1.2.9 Noise
1.2.10 LED indicators abnormal
1.2.11 Keystrokes in the front panel no use
Version1.1 Page6of31

Service Guide SW-HF 5.1 5050
*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
Version 1.1 Page 7 of 31
Repair or
replace
Defective or damaged
AC cable or power
switch
resolder or replace
No power，LED （indicator）
1. Fuse disconnected or
damaged
2. Defective transformer
1. Defective assembled wire of SW-HF5.1
5050 CON PCB JK1 and SW-HF5.1 INPUT
PCB JACK2
2. Defective assembled wire of SW-HF5.1
INPUT PCB JACK1 and SW-HF5.1 AMP PCB
JACK1
3. PCB dried soldered or broken
4. Defective or damaged IC2, IC2, CR1.
Repair or
replace

Service Guide SW-HF 5.1 5050
1.2.2 no sound
Problem
Analyze and
identify the
causes
]
Solutions
Version 1.1 Page 8 of 31
PCB damaged, dry-soldered or
short-circuited
Assembled wires loosely- connected
between SW-HF5.1 5050 CON PCB JK1
and SW-HF5.1 INPUT PCB JACK2;
between SW-HF5.1 INPUT PCB JACK1
and SW-HF5.1 AMP PCB JACK1
No sound
1. Defective IC or IC2 on SW-HF5.1 5050CON PCB
2. Defective IC1, IC2 SW-HF5.1 INPUT PCB
3. Defective IC1, IC2, IC3, IC4, IC5, IC6, IC7, IC8,
IC9, R28, R29, R52, EC18, EC19, EC20 in
SW-HF5.1 AMP PCB
4. Defective IC1，IC2，R15，R16 in SW-HF5.1
SWAMP PCB
Resolder or replace Check and replace defective
IC or components.

Service Guide SW-HF 5.1 5050
1.2.3 Front channel no sound (including either FR or FL no sound )
Problem
Analyze and
identify the
causes
Solutions
Version 1.1 Page 9 of 31
Front channel no sound (including either FR or FL no sound)
PCB damaged,
dry-soldered or
short-circuited;
Defective
connection of front
speaker cables
and jacks, or
defective speaker
cables, jacks or
front driver units
1.defective IC1, IC2 or
components relating to IC1 and
IC2 in SW-HF5.1 INPUT PCB
2.defective IC4 ，IC1 or
components relating to IC4
and IC1 in SW-HF5.1 AMP
PCB
Resolder or
replace
Re-connect or
replace
Check and replace
defective IC or
components
Defective
connection of
front audio
cables, or JACK
disconnected
from PCB or
defective
Re-connect or
replace

Service Guide SW-HF 5.1 5050
1.2.4 Rear channel no sound (including either RR or RL no sound)
Problem
Analyze and
identify the
causes
Solutions
Version 1.1 Page 10 of 31
Rear channel no sound (including either RR or RL no sound
)
PCB damaged,
dry-soldered or
short-circuited
Defective
connection of rear
speaker cables
and jacks, or
defective speaker
cables, jacks or
rear driver units
1. Defective IC1, IC2 or
components relating to
IC1 and IC2 in SW-HF5.1
INPUT PCB
2. Defective IC5，IC2 or
components relating to
IC5 and IC1 on SW-HF5.1
AMP PCB
Repair or
replacing
Check and replace
defective IC or
components
Defective
connection of rear
audio cables, or
JACK
disconnected from
PCB or defective
Repair or
replacing
Repair or
replacing

Service Guide SW-HF 5.1 5050
1.2.5 Center no sound
Problem
Analyze and
identify the
causes
Solutions
Version 1.1 Page 11 of 31
Center no sound
PCB
dry-soldered,
broken, or short
circuit
Defective
connection of
center speaker
cables and
jacks, or
defective
speaker cables,
jacks or center
driver units
1. Defective IC1, IC2 or
components relating to IC1
and IC2 in SW-HF5.1 INPUT
PCB
2. Defective IC6, IC3 or
components relating to IC6
and IC3 on SW-HF5.1 AMP
PCB
Check
soldering
points on
PCB, and
resolder
Reconnect
or replace
Check and replace defective
IC or components
Defective
connection of
center audio
cables, or JACK
disconnected
from PCB or
defective
Reconnect
or replace

Service Guide SW-HF 5.1 5050
1.2.6 Woofer no sound
Problem
Analyze and
identify the
causes
Solutions
-
Version 1.1 Page 12 of 31
Woofer no sound
PCB
dry-soldered,
broken, or
short circuited
Defective
connection of sub
speaker cables
and jacks, or
defective speaker
cables, jacks or
woofer driver units
1. Defective IC1, IC2 or components
relating to IC1 and IC2 in SW-HF5.1
INPUT PCB
2. Defective IC6 or components relating
to IC6 in SW-HF5.1 AMP PCB
3. Defective IC1, IC2 in SW-HF5.1
SWAMP PCB
Repair Check and replace defective IC
or components
Defective
connection of
woofer
audio cables, or
JACK
disconnected
from PCB or
defective
Reconnect
or replace
Reconnect
or replace

Service Guide SW-HF 5.1 5050
1.2.7 Input no sound
Problem
Analyze and
identify the
causes
Solutions
Version 1.1 Page 13 of 31
In
p
ut no sound
Defective input
RCA jack
SW-HF5.1 INPUT
PCB soldering points
broken, dry -soldered
or short -circuited
Defective IC1 or
components relating to
inputs in SW-HF5.1
INPUT PCB
Check and
replace
Check and
resolder
defective
one(s)
Check and replace
defective IC or
components

Service Guide SW-HF 5.1 5050
1.2.8 Remote control no use
Problem
Analyze and
identify the
causes
Solutions
Version1.1 Page14of31
Remote control no use
1. Low power supply
of the battery
2.Defective
soldering of battery
spring
SW-HF 5.1 REM
PCB broken, or its IC
or other components
defective
Defective
conductive rubber
of some keys
Defective REM1，IC1,
IC2, R12, EC2, CC3 ,
R2, Q1 or LED1 in
SW-HF5.1 CON PCB
Replace or
repair
Check and
resolder
defective
one(s)
Check and
replace
Check and
replace

Service Guide SW-HF 5.1 5050
1.2.9. Noise
Problem
Analyze and
identify the
causes
Solutions
Version 1.1 Page 15 of 31
Noise
Broken or dry-soldered
PCB, or diode damaged
The power supply of IC is
normal or not
1. Defective driver units
2. Or caused by the vibration
from the too long lead wire of
the driver units
Resolder or replace Check and replace Resolder or replace

Service Guide SW-HF 5.1 5050
1.2.10. LED indicators abnormal
Problem
Analyze and
identify the
causes
Solutions
Version 1.1 Page 16 of 31
LED indicators no li
g
ht
1. Defective, dry-soldered, or broken SW-HF5.1 5050 CON
PCB;
2. LED1, IC2, IC1 damaged
3. R1，R2，R3，R4，R5，R6，R8，R9, R10，R7 in SW-HF5.1
5050 CON PCB
Check and replace

Service Guide SW-HF 5.1 5050
1.2.11. Keystrokes in the front panel no use
Problem
Analyze and
identify the
causes
Solutions
Version 1.1 Page 17 of 31
K
e
y
strokes in the front
p
anel no use
1. Defective, dry-soldered, or broken SW-HF5.1 5050 CON
PCB;
2. IC2 or IC3 damaged
3.. keystrokes not well –assembled
Check and replace

Service Guide SW-HF 5.1 5050
Satellite
NOMINAL
NO DESCRIPTION UNIT CEN FR FL SR SL LIMIT
1 RATED OUTPUT POWER @THD 10% W 18 18 18 18 18 ≧15
2 SENSITIVITY (1KHz) @RATED O/P
POWER m V 500 600 600 450 450 ±10%
3 SENSITIVITY (1KHz) @1W O/P POWER m V 100 125 125 95 95 ±10%
4 MAX INPUT LEVEL@1% THD m V 330 360 360 295 295 ±10%
5 FREQUENCY RESPONSE(1KHz -3DB )
LOW Hz 40 70 70 100 100 ±20
6 FREQUENCY RESPONSE(1KHz -3DB )
HI KHz 120 140 140 110 110 ±20
7 S/N@RATED O/P POWER d B 85 85 85 85 85 ≧75
8 CHANNEL UNBALANCE @REF O/P
POWER d B 0.3 0.3 0.3 0.3 0.3 ≦0.5
9
CHANNEL SEPARATION(ONE
CHANNELIN;OTHER CHANNEL INPUT
SHORTING
d B 60 60 60 60 60 ≧55
10 HUM NOISE (VOLUME MAX;INPUT
SHORTING) m V 0.6 0.6 0.6 0.5 0.5 ≦2
11 HUM NOISE (VOLUME MIN INPUT
SHORTING) m V 0.1 0.1 0.1 0.1 0.1 ≦0.5
Version 1.1 Page 18 of 31
Chapter 2. Specifications

Service Guide SW-HF 5.1 500
Woofer
NO DESCRIPTION UNIT NOMINAL LIMIT
1 RATED OUTPUT POWER@100Hz(10%THD) W 78 ≧75
2 SENSITVITY(100Hz)@RATED O/P POWER m V 100 ±10
3 SENSITIVITY(100Hz)@1W O/P POWER m V 11 ±3
4 MAX INPUT LEVEL@1% THD m V 90 ±10
5 DISTORTION@100Hz REF O/P POWER % 0.15 ≦0.5
6 FREQUENCY RESPONSE (100Hz
-3DB)LOW Hz 17 ±5
7 FREQUENCY RESPONSE (100Hz -3DB)HI Hz 170 ±15
8 S/N RATIO@100Hz RATED O/P POWER d B 82 ≧75
9 VR MIN NOISE (INPUT SHORTING) m V 0.1 ≦0.5
10 VR MAX NOISE &HUM (INPUT SHORTING) m V 0.6 ≦2
Version 1.1 Page 19 of 31
Chapter 2 Specifications

Service Guide SW-HF 5.1 5050
Version 1.1 Page 20 of 31
Chapter 3 Block diagram