Genius SW-HF 5.1 5050 V2 User manual

Service Guide Model No : SW-HF5.1 5050V2
SERVICE GUIDE
KYESYSTEMS CO P.
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Service Guide Model No : SW-HF5.1 5050V2
evision History
Version Date Change
1.0
07/06/2010 First Release
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Service Guide Model No : SW-HF5.1 5050V2
Table of Contents
Revision History …………………………………………………………………….2
Table o Contents ……………….……………………………………………………3
Getting Started ……………………………………………………………………….4
Conventions Used in this Guide ……………………….…..………………....4
Sa ety Precautions …….……………………………………………………..4
Chapter 1. How to Handle De ective Returns……………………………………..5
1.1 Speaker no sound
1.2 Display no unction
1.3 Remote control no unction
Chapter 2. Speci ications ………………………………………………………….10
Chapter 3. Block Diagram ……………………………………………………….11
Chapter 4. Exploded View ………………………………………… 12,13,14&15
Chapter 5. Part List ………………………………………………………………16
Chapter 6. Schematic Diagram …………………………………………………..17
Chapter 7. Important Notes ………………………………………………………18
7.1 Packing Requirement or Sending the PCB Assembly by Post …..18
7.2 Short o Spare Parts while Repairing a Speaker System …………18
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Service Guide Model No : SW-HF5.1 5050V2
Getting Started
Conventions Used in this Guide
Pay Special Attention : Instructions that are important to remember and
may prevent mistakes .
Caution : In ormation that, i not ollowed, may result in damage to the
product .
Sa ety Precautions
The ollowing precautions should be observed in handling the speaker
Described in this guide :
Place the speakers on a lat, level and stable sur ace.
Do not place the speakers in environments subject to mist, smoke,
vibration, excessive dust, salty or greasy air, or other corrosive gases
and umes.
Do not drop or jolt the speakers.
Do not allow anything to drop into the subwoo er case through its
ventilator, as it could result in atal electric shock or ire .
Place the unit ar enough rom other equipments or good heat
dissipation .
Disconnect the AC power cord rom the AC outlet be ore per orming
any maintenance on the speakers .
Do not per orm any maintenance with wet hand .
Prevent oreign substances, such as water, other liquids or chemicals ,
From entering the speakers while per orming maintenance procedures
on the speakers .
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Service Guide Model No : SW-HF5.1 5050V2
Chapter 1. How to Handle Defective eturns
Overview
Receiving De ective speakers rom
Customers
Function NG
__ __
Analyzing possible mal unction
causes
Function NG Deciding & proceeding the
recti ication methods
Function OK
Replace necessary de ective parts
Function OK
Return the speakers with proper
repackaging to customers
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Service Guide Model No : SW-HF5.1 5050V2
Problems
Item Problem Description
1.1 Speaker no sound
1.2 Display no unction
1.3 N0 Power
1.4 Remote control no unction
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Service Guide Model No : SW-HF5.1 5050V2
Attention
Please ollow the numbered sequence marked within parenthesis given in individual Flow
chat, in that this is the best-recommended sequence to recti y the problems.
1.1 One or more channels no sound (Stereo in/DVD in jack no unction)
Problem
Analyze
and
Identi y
Cause
Solution
Speaker no sound
Component cold
solder or Short
Circuit
De ective
IC1,U1,U2,U3,U4
,U5,U7,U8,U9
Speaker cable disconnect,
Jack1 de ective or
speaker damaged
Check solder
point on PCBA
Check and
Replace de ective
IC
Reconnect speaker cable or
replace de ective speaker
driver and component
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Service Guide Model No : SW-HF5.1 5050V2
1.2 Display no Function
Problem
Analyzer and
Identi y the Causes
Solutions
1.3 No Power
Display no unction
Component cold
solder or Short
Circuit
De ective
U1,U2,U3 or X1
LED 1 de ective
Check solder
point on PCBA
Check and
Replace de ective
IC
Replace de ective LED1
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No Power
Component cold
solder or Short
Circuit
De ective
T900,IC900,IC901,
IC902,BD900 or
F900
Power Switch de ective
Check solder
point on PCBA
Check and
Replace de ective
IC or Fuse
Replace de ective Power
Switch
Problem
Analyzer and
Identi y the Causes
Solutions

Service Guide Model No : SW-HF5.1 5050V2
1.4 Remote control no unction
Problem
Analyzer and
Identi y the Causes
Solution
Remote control no unction
Component cold
solder or Short
Circuit
IR1 or Remote hand set
de ective
Check solder
point on PCBA
Replace de ective IR1,or
Remote hand set
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Service Guide Model No : SW-HF5.1 5050V2
Chapter 2. Specifications
NO. Description Unit Specifications
1 Out Power at THD 10%(Sub) W ≧50
2 Out Power at THD 10%(Sat) W
≧20W
3 Sensitivity(F ,FL,S ,SL) mV
850±85
4 Sensitivity(CEN) mV 600±60
5 Sensitivity(Sub) mV
100± 30
6 Freq. esponse (Sub) Hz 20~130 ± 10%
7 Freq. esponse (Sat) Hz 20~20K ± 10%
8 Separation dB
≧
≧≧
≧ 40
9 S/N ratio dB
≧
≧≧
≧ 70
10 Hum & Noise (Vol.: max) mV
≦
≦≦
≦ 2
Page 10/16
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Service Guide Model No : SW-HF5.1 5050V2
Chapter 3 Block Diagram
Audio in
LCH & RCH
Channel selector (Built-in
two channel to six channel
converter)& Electrical
Volume control
Audio
Ampli ier IC
TDA7492P
LCH
RCH
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DVD in
FL,FR,SL,SR,CEN,
SUB
Audio
Ampli ier IC
TDA7492P
S
L
S
R
CEN
SUB
Audio
Ampli ier IC
TDA7492P
Audio
Ampli ier IC
TDA7492MV

Service Guide Model No : SW-HF5.1 5050V2
Chapter 4. Exploded View
Page 12/24
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Service Guide Model No : SW-HF5.1 5050V2
Page 14/18
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Service Guide Model No : SW-HF5.1 5050V2
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Service Guide Model No : SW-HF5.1 5050V2
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Service Guide Model No : SW-HF5.1 5050V2
Chapter 5. Part List
No
DESC IPTION Qty UNIT Part No.
1
ICTDA7492P
3 U1,U2,
U3
2 IC-TOP260EN 1 IC900
3 IC-EL817C-B 1 IC901
4 ER35 Trans ormer 1 T900
5 BD-KBU406 Recti ier 1 BD900
6
ICM62429
3 U7,U8,
U9
7
TL431 IC
1 IC902
8
ICALVT16175DL
1 U5
9
ICRC4558
1 U6
10
ICTDA7492MV
1 U4
11 ICMCU( TMS4500） 1 U1
12 ICSM1628 1 U2
13 IC78L05 TO-92 1 U3
14 POWER CORD 2P 1 VPE003012-006
0
15 SPK UNIT 1 FSB526065-680
4
16 RCA CABLE 1
VRC220001-001
0
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Service Guide Model No : SW-HF5.1 5050V2
Chapter 6. Schematic Diagram
Pls refer to The Attachment
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1 2 3 4
A
B
C
D
4
321
D
C
B
ATitle
Number RevisionSize
A
Date: 8-Jun-2010 Sheet of
File: E:\
󰞆󱯹󰫼󱀉 \KYE Project\SW-HF5050 V\SMPS\smps.ddbDrawn By:
4 1
2 3
BD900
BD-KBU406
TVR900 TVR14621
F900
C902 102PF-400V
C903
102PF-400V
NTC900
RT-5A
C900
474-275V
L
N
R900 470K
T3.15AL 250V
C901 104-275V
R903 470K
R902 470K
R901 470K
1 2
4 3
L900
L-15MH_1
AC IN 90~264V
1 2
4 3
L901
L-15MH_1
C917
150U 400V
R912 820K
R913 820K
HV+
R905 470K
R904 470K
R906 820K
HV+
D900
UG2007
R907 68K 2W
C904 472-620V
C920 103nF 1000V
D903
HER105
C924
47U 16V
C907
1500P 1KV
R909
20R
R908
20R
1
2
3
D901
MUR1020CT
C909
1000U 35V
C913
104 50V
L902
6UH 8A
C918
1000U 35V
C914
104 50V
1
7
10
15
3
5
11
12
8
2
16
9
13
T900
ER35 TRANSFORMER
1
2
4
3
IC901
IC-EL817C-B
R918
2K
1
2
3
IC902
IC-TL431
R924
2.2k 1%
R917
1k OHM
R920 20K 1%
R919
1K C923
104 50V
C925
104 50V
C906
102PF-400V
D904
1N4148
ZD902
7.5V
R922
6.8R
R914 5.1K
ZD900
27V
1
2
CN900
CN2P-396-2
+25V/2A PK3A
GND
C
FXS
D V
IC900
IC_TOP260EN
VR900 P6KE200A
C922
10U 50V
R916
1K OHM
C921
22U 50V
C905
102P-400V
C908
1500P 1KV
R911
20R
R910
20R
1
2
3
D902
MUR1020CT
C911 680U 35V
L903
6UH 8A
C919
1000U 35V C916
104 50V R915 4.7K
ZD901
27V
C912
680U 35V
C915
104 50V
+18V/4A PK5A
P902
PAD-D4
P903
PAD-D4
1
2
3
4
CN901
CN4P-396
GND
P900
PAD-D4
P901
PAD-D4
C926 100P-1KV
R917
0R
FB900
FB-100
FB901
FB-100
R921
0
R923
NC
SW-M5.1 HF5050V2 SMPS PCBA
SAP NO:WPC005050-0002 VER100503
AC PLUG
SW
1
2
CA
222
POWER CORD