HK 3390 - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 20

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- Page 14 of 43 - 
 
 
 
 
 Report 
No. 
98502 
 
 
 
12 MECHANICAL 
STRENGTH 
 
12.1.1 
Bump test where mass >7 kg 
No damage in the sense  
of this standard
 
12.1.2 Vibration 
test 
Assessed to be satisfactory 
constructed
 
N/A 
12.1.3 
Impact hammer test 
No damage in the sense 
of this standard
 
 
Steel ball test 
No damage in the sense  
of this standard
 
12.1.4 
Drop test for portable apparatus where mass < 7 
kg 
No portable apparatus 
N/A 
12.1.5 
Thermoplastic enclosures strain relief test 
Tested, 70ºC, 7h
 
12.2 
Fixing of knobs, push buttons, keys and levers 
Normal use will not impair  
the protection against  
electric shock.
 
12.3 
Remote controls with hazardous live parts 
No cable connected  
remote control devices.
 
N/A 
12.4 
Drawers (pull test 50 N, 10 s) 
No drawers
 
N/A 
12.5 
Antenna coaxial sockets providing isolation 
No antenna socket which 
insolate hazardous live  
parts from accessible parts.
 
N/A 
12.6 
Telescoping or rod antennas construction 
No telescoping or rod 
antennas
 
N/A 
12.6.1 
Telescoping or rod antennas securement 
 
N/A 
 
 
 
 
13 
CLEARANCE AND CREEPAGE DISTANCES 
 
13.1 
Clearances in accordance with 13.3 
See attachment, Table to  
EN/IEC 60065 7
th
 edition.
 
 
Creepage distances in accordance with 13.4 
See attachment, Table to 
EN/IEC 60065 7
th
 edition.
 
13.2 
Determination of operating voltage 
Conventional transf. used. 
Upper rated supply voltage 
applied in determining the 
operating voltage
 
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