KYE Systems Corp. Genius SW-S2.1 200 User manual

SW-S2.1 200
Service Guide
SERVICE GUIDE
KYE SYSTEM CORP
Version 1.0 Page 1 of 19

Service Guide
Revision History
Version Date Change
1.0 07/09/2009
Version 1.0 Page 2 of 19
SW-S2.1 200

Service Guide
Version 1.0 Page 3 of 19
Table of Contents
SW-S2.1 200
no power .LED (indicator) unlighted ..................................................5
Safety Precautions ................................................................................4
Part List .................................................................................................17
No sound ................................................................................................6
Right or left channel no sound ............................................................7
Chapter 7. Schematic diagram...........................................................16
Chapter 4 Exploded view...............................................................14~15
Chapter 2.Specifications......................................................................11
VR,headphone jack or line-in jack abnormal ....................................10
Headphone jack output no sound........................................................9
LED indicator no light...........................................................................8

Getting Start
Pay S pecial Attention: Instructions that are i mportant to reme mber and may
prevent mistakes.
Caution: Info rmation that, if not followed, may result in d amage to the
prod uct.
Safety Precautions
Do never place the system in t he high-temp and hum idity circumstance,
prevent it from raining or rough h andling and strong shock.
* In or der to a void electrified an d other accidents, do never open the back
cover for repair without an y pro fessional guidance. In case of repair pls.
come to the pr ofessional maintenance for help.
* In case fragments or other liquid is accidentally sprinkled inside t he
cabinet, please switch off the po wer imm ediately.
* Swi tch off the power and take off the plug from the power jack w hen
the system is not on work.
SW-S2.1 200
Service Guide
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Service Guide
SW-S2.1 200
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1.2 Problems
Item Problem Description
1.2.1 No power，LED （indicator）no light
1.2.2 No sound
1.2.3 Right or left channel no sound
1.2.4 Woofer no sound
1.2.5 Noise
1.2.6 LED indicator no light
1.2.7 VR, headphone jack or line-in jack abnormal
1.2.8 SJ2206B defective

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SW-S2.1 200
Service Guide
*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
No power，LED （indicator）unlighted
Repair or replace
Defective transformer
Defective or damaged
AC cable or power
switch
resolder or replace
Or caused by the following:
1. Transformer secondary wire loosely connected with DC1
jack in J2.1 500 AMP.
2. Copper foil of SW-S2.1 200 AMP PCB broken

Version 1.0 Page 7 of 19
Service Guide
1.2.2 No sound
Problem
Analyze and
identify the
causes
]
Solutions
No sound
PCB
short-circuited, dry
soldered or
broken;
LO RO IN SW-S2.1 200 ANDJ1
in SW-S2.1 200 AMP is not
properly connected
Repair or replace
Repair or replace
Or caused by the following defective
components
1. U1, U2 in SW-S2.1 200 AMP PCB
2. VR1，J1 ，in SW-S2.1 200 AMP
PCB
Repair, resolder or
replace
SW-S2.1 200

SW-S2.1 200
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Service Guide
1.2.3 Right or left channel no sound
Problem
Analyze and
identify the
causes
Solutions
Replace or
replace
Re-connect ,
replace or repair
Repair or
replace
1. VR1，J1 defective in SW-S2.1 200 AMP
PCB
2. Or caused by the following defective
components :
R3 R16 C3 C29 C1 C16 C2 C28 R2 R4 C4 C5
C6 R8 C 7 R9 C10 C11 C14 C15
Driver unit L O R O or
speaker cable defectiveor
loosely connected
Audio cable defective
or loosely connected
PCB damaged, dry-soldered
or short-circuited;
AUDIO CABLE J1
in SW-S2.1 200 AMPis loosely
connected
Right or left channel no sound

Version 1.0 Page 9 of 19
SP-HF500A
R19 in SP-HF500A AMP PCB R1 defective
Defective LED1 in SP-HF500A AMP PCB
1.2.4 Woofer no sound
Problem
Analyze and
identify the
causes
Solution
-
PCB damaged,
dry-soldered or
short-circuited
VR1 in SW-S2.1 200 AMP
PCB defective
Repair or replace Repair or replace
Woofer driver unit
/Speaker cable of SW-
S2.1 200 AMPPCBSP3
dry-soldered or defective
Repair or replace
Woofer no sound
SW-S2.1 200

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N1 in SP-HF500A AMP
1.2.5 Noise
Problem
Analyze and
identify the
causes
Solutions
Filter capacitor/ diode dry-soldered
or damaged, pls check c26 c21
C33 ，C8 C9，D1 ，D2，
D3，D4 in SW-S2.1 200AMP
defective or not
The power supply of each IC is
normal or not;
Or caused by vibration from
too long lead wire of driver
units
Driver units damaged
Woofer cabinet leaks,
closed not well.
Repair Check and replace Repair or replace
Noise
SW-S2.1 200

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Service Guide
1.2.6 LED indicator no light
Problem
Analyze and
identify the
causes
Solutions
Check and replace
1. PCB damaged, dry-soldered or short-circuited
2. R5 Z1 Q1 in J2.1 500AMP PCB defective
3.Defective LED1 inJ2.1 500 CON PCB
LED indicato
r
no li
g
ht
SW-S2.1 200

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Service Guide SW-S2.1 200
1.2.8 SJ2206B defective
Problem
Analyze and
identify the
causes
]
Solutions
SJ2206B defective
No sound
Right or left channel no sound
Woofer no sound
Repair or replace
Repair or replace
Noise
Repair or replace

Service Guide
Version 1.0 Page 13 of 19
SW-S2.1 200
Satellite
Normal
NO DESCRIPTION UNIT R L LIMIT
1 RATED OUTPUT POWER @THD 10% W 2.2 2.3 ≧1.5
2 SENSITIVITY (1KHz) @RATED O/P POWER m V 630 640 600±60
3 SENSITIVITY (1KHz) @1W O/P POWER m V 340 350 350±60
4 MAX INPUT LEVEL@1% THD m V 310 305 300±35
5DISTOPTION@1kHz 1W OUT % 0.1 0.1 ≦1
6 FREQUENCY RESPONSE(1KHz -3DB ) LOW Hz 176 166 160±20
7 FREQUENCY RESPONSE(1KHz -3DB ) HI KHz ≥20 ≥20 ≥20
8S/N@RATED O/P POWER d B 83 84 ≧70
9 CHANNEL UNBALANCE @REF O/P POWER d B 0.3 0.5 ≦1
CHANNEL SEPARATION(ONE
CHANNELIN;OTHER CHANNEL INPUT
SHORTING
d B 48 50 ≧40 10
HUM NOISE (VOLUME MAX;INPUT
SHORTING)
11 m V 0.2 0.3 ≦2
12 HUM NOISE (VOLUME MIN INPUT SHORTING) m V 0.3 0.4 ≦1
Woofer
NO DESCRIPTION UNIT Normal LIMIT
4.3
1 RATED OUTPUT POWER@100HZ (10%THD) W ≧3
140
2 SENSITIVITY (100Hz) @RATED O/P POWER m V 130±30
40
3 SENSITIVITY (100Hz) @1W O/P POWER m V 40±6
80
4 MAX INPUT LEVEL@1% THD m V 80±15
0.1
5 % ≦1
DISTOPTION@100Hz 1W OUT
27
6 FREQUENCY RESPONSE(100Hz -3DB ) LOW Hz 25±5
190
7 FREQUENCY RESPONSE(100Hz -3DB ) HI Hz 190±20
72
8 S/N RATIO@100HZ RATED O/P POWER d B ≧70
HUM NOISE (VOLUME MAX;INPUT
SHORTING) m V 1.0
9≦2
0.8
10 HUM NOISE (VOLUME MIN INPUT SHORTING) m V ≦1
Chapter 2. Specifications

Service Guide
Version 1.0 Page 14 of 19
SW-S2.1 200
AC 9V
9V/700mA
POWER
1 2 3
J1
1
2
3
VR1-A
B50K
4
5
6
VR1-B
B50K
R6 36K
NF1
OUT1
Vcc
POWER GND
BS1
IN1
RR
IN2
NF2
PREGND
POWER GND
BS2
OUT2
BTLOUT
1
2
3
4
5
6
7 8
9
10
11
12
13
14
U1
IC-SJ2206B
C4
4.7U/50V
C5
4.7U/50V
C6
10U/16V C7
10U/16V
R8
330
R9
330
C9
100U/16V
C10
100U/16V
C11
100U/16V
C12
104
R10
2.2
C13
104
R11
2.2
C14
470U/16V
C15
470U/16V
1 2
J2
1 2
J3
C17 224 C
C18 4.7U/16V
NF1
OUT1
Vcc
POWER GND
BS1
IN1
RR
IN2
NF2
PREGND
POWER GND
BS2
OUT2
BTLOUT
1
2
3
4
5
6
7 8
9
10
11
12
13
14
U2
IC-SJ2206B
C19
10U/16V
R12
120
C20
100U/16V
C33
470U/16V
C22
100U/16V
C23
100U/16V
C24 154
C25
154
R13
2.2
R14
2.2
1 2 3PH1
PHONEJACK-3PIN
1 2 3
DC1 DC-JACK2
D1 1N4007
D2 1N4007
D3 1N4007
D4 1N4007
C26
3300U/16V
R15
6.8K
LED1
R1 36K
C1
333
C2
472 R2
10K
R3 33K
C3 152
C16 333
C28 472
R4
10K
R16 33K
C29 152
C30 471
C31 471
Q1
9014
R5
680
Z1
6V8
1
2
3
S2-A
4
5
6
S2-B
C32
563 C
C8
100U/16V
C27 104
C34
104
T1
F1
C21
470U/16V
VCC
VCC
VCC

Service Guide
Version 1.0 Page 15 of 19
SW-S2.1 200
AUX1 MASTER VOLUME
SJ2206B
POWER AMP
POWER
SPEAKER
SATELLITE
SPEAKER
WOOFER
SJ2206B
POWER AMP

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SW-S2.1 200
Chapter 4 Exploded view
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SW-S2.1 200
Chapter 4 Exploded view
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Cha
p
ter 7.
SW-S2.1 200
Service Guide
Version 1.0 Page 18 of 19
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Exploded view

SW-S2.1 200
Service Guide
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of
SW-S2.1 200 Part List
Part No. Description
11.2.006.0039 Adapter
21.8.030.0004 Subwoofer speaker unit
21.8.020.0011 Full range speaker unit
11.1.170.0024 SJ2206B
11.1.196.0003 VR
11.1.030.0009 Potentiometer B50K L15MM
11.1.124.0010 LED
11.1.120.0002 Diode
11.1.050.0080 Capacitance