DOWNLOAD JBL ON STAGE III IIIP (serv.man6) Service Manual ↓ Size: 1.89 MB | Pages: 66 in PDF or view online for FREE

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ON STAGE III IIIP (serv.man6)
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66
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1.89 MB
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EMC - CB Certificate
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Device
Audio
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on-stage-iii-iiip-sm6.pdf
Date

JBL ON STAGE III IIIP (serv.man6) EMC - CB Certificate ▷ View online

   
                                   Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-E07439      page 45 of 66 
 
 
13. MAGNETIC FIELD IMMUNITY TEST 
13.1.Test Equipments 
Item Equipment 
Manufacturer Model No. Serial No. Last Cal. 
Cal. Interval
1. Magnetic 
Field 
Tester 
HEAFELY 
MAG100.1 083858-10 May 11, 07 1 Year 
13.2.Block Diagram of Test Setup 
13.2.1.Block Diagram of the EUT 
 
 
 
 
 
 
 
 
 
 
 
 
 
  (EUT: Computer Speaker System) 
 
13.2.2.Block Diagram of Test Setup 
 
 
 
 
 
 
 
13.3.Test Standard 
EN 55024: 1998+A1: 2001+A2: 2003 (IEC 61000-4-8: 2001) 
(Severity Level 1 at 1A/m) 
Ground Reference Support
0.8 m 
EUT and 
Support 
system
AC Mains 
Magnetic Field 
Tester 
Induction Coil
wood 
PC  
AC Mains
 
Keyboard 
Mouse 
EUT 
AC Mains 
Monitor
a: Audio Cable 
b: USB Cable 
 : Core 
a
Adaptor
b
   
                                   Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-E07439      page 46 of 66 
 
 
13.4.Severity Levels and Performance Criterion 
13.4.1.Severity level 
Level 
Magnetic Field Strength A/m 
1.  
2.  
3.  
10 
4.  
30 
5.  
100 
X. Special 
13.4.2.Performance criterion : A 
13.5.EUT Configuration on Test 
The configuration of EUT are listed in Section 3.5. 
13.6.Operating Condition of EUT 
Same as Conducted Emission test which is listed in Section 4.6. except the test set up 
replaced by Section 13.2. 
13.7.Test Procedure 
The EUT was subjected to the test magnetic field by using the induction coil of 
standard dimensions (1m*1m) and shown in Section 13.2. The induction coil was 
then  rotated by 90°in order to expose the EUT to the test field with different 
orientations. 
13.8.Test Results 
PASS. 
 
The EUT was tested and all the test results are listed in next page. 
   
                                   Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-E07439      page 47 of 66 
 
 
Magnetic Field Immunity Test Results
 
Audix Technology (Shenzhen) Co., Ltd. 
Date :07/26/2007 
Applicant 
: 
Harman Multimedia DBA 
Harman Motive Inc.
 
Test Date 
: 
Jul. 08, 2007 
EUT 
: 
Computer Speaker System 
Temperature
: 
24
 
M/N 
: 
jbl on stage lll 
Humidity 
: 
52
 
Test Voltage   
: 
DC 12V Adaptor Input AC 
230V/50Hz 
Test Mode 
: 
Data Transmitting 
Test Engineer 
Jolly Criterion 
: A 
Pressure 
100.6KPa 
 
 
 
Test Level 
Testing Duration 
Coil Orientation
Criterion 
Result 
1A/m 5 
mins 
PASS 
1A/m 5 
mins 
PASS 
1A/m 5 
mins 
PASS 
 
 
 
 
Test Equipment : 
Magnetic Field Tester MAG100.1 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
                                   Audix Technology (Shenzhen) Co., Ltd. Report No. ACS-E07439      page 48 of 66 
 
 
14. VOLTAGE DIPS AND INTERRUPTIONS TEST 
14.1.Test Equipment 
Item  Equipment 
Manufacturer Model No.  Serial No. Last Cal. 
Cal. Interval
1. 
Main Interference 
Simulator
 
HEAFELY 
PLINE 1610 083690-05 May 11, 07  1 Year 
14.2.Block Diagram of Test Setup 
14.2.1.Block Diagram of the EUT 
 
 
 
 
 
 
 
 
 
 
 
 
 
  (EUT: Computer Speaker System) 
 
14.2.2.Voltage Dips and Interruptions Test Setup 
 
 
 
 
 
 
 
 
 
 
 
 
14.3.Test Standard 
EN55024: 1998+A1:2001+A2: 2003 (IEC61000-4-11: 2004) 
0.8 m 
Remark: Combination wave generator and decoupling network are included 
in Main Interference Simulator. 
AC Mains 
EUT and the 
Simulators 
AC Mains
Main Interference
Simulator 
PC  
AC Mains
 
Keyboard 
Mouse 
EUT 
AC Mains 
Monitor
a: Audio Cable 
b: USB Cable 
 : Core 
a
Adaptor
b
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