SB 300 (serv.man6) - JBL Audio EMC - CB Certificate (repair manual). Page 79

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Neutron Engineering Inc. 
 
 
 
 
 
 
 
 
Report No.: NEI-EMC-1-1009C113                                                                                                          Page 79 of 97
 
 
 
5.8.5 TEST SETUP 
EUT
80 cm
Ground Reference  Plane (GRP) Bonded to PE
> 0.5  m
To Earth
Protective GND
Ground Reference 
Plane (GRP)
Nearest Wall
Coupling/ 
Decoupling
Network Device
EFT/Burst
Generator
L ≤ 1 m
Protective GND 
According
To AC Mains 
Supply
 
 
 
Note: 
TABLE-TOP EQUIPMENT   
 
The configuration consisted of a wooden table (0.8m high) standing on the Ground Reference 
Plane. The GRP consisted of a sheet of aluminum (at least 0.25mm thick and 2.5m square) 
connected to the protective grounding system. A minimum distance of 0.5m was provided 
between the EUT and the walls of the laboratory or any other metallic structure. 
FLOOR-STANDING EQUIPMENT 
The EUT installed in a representative system as described in section 7 of IEC 61000-4-4 and its 
cables, were isolated from the Ground Reference Plane by an insulating support that is 0.1-meter 
thick. The GRP consisted of a sheet of aluminum (at least 0.25mm thick and 2.5m square) 
connected to the protective grounding system. 
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