ON STAGE III IIIP (serv.man7) - JBL Audio EMC - CB Certificate (repair manual). Page 45

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                                   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
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