HK 990 (serv.man4) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 20

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Page 19 of 50 
Report No. 902952-1 
 IEC 
60065
Clause 
Requirement – Test 
Result - Remark 
Verdict 
 
 
TRF No.: IEC60065F 
 
TRF Originator: ASTA BEAB 
 
17 
ELECTRICAL CONNECTIONS AND MECHANICAL FIXINGS 
17.1 
Torque test to table 20: 
 
- screws into metal: 5 times 
 
 
- screws into non-metallic material: 10 times 
 
N/A 
17.2 
Correct introduction into female threads in non-
metallic material 
 
N/A 
17.3 
Cover fixing screws: captive 
 
N/A 
 
Non-captive fixing screws: no hazard when replaced 
by a screw whose length is 10 times its diameter 
 
17.4 
No loosening of conductive parts carrying a current 
> 0.2 A 
 
17.5 
Contact pressure not transmitted through plastic 
other than ceramic for connections carrying a 
current > 0.2 A 
 
N/A 
17.6 
Stranded conductors of flexible supply cords 
carrying a current > 0.2 A with screw terminals not 
consolidated by solder 
 
N/A 
17.7 
Cover fixing devices other than screws have 
adequate strength and their positioning is 
unambiguous 
 
N/A 
17.8 
Fixing devices for detachable legs or stands 
provided 
 
N/A 
17.9 
Internal pluggable connections, affecting safety, 
unlikely to become disconnected 
 
 
18 
MECHANICAL STRENGTH OF PICTURE TUBES AND PROTECTION 
 AGAINST THE EFFECTS OF IMPLOSION 
 
Picture tube separately approved to IEC 61965: 
 
N/A 
 
Picture tube separately approved to 18.1  ...............   
N/A 
18.1 
Picture tubes > 16 cm intrinsically protected 
 
N/A 
 Non-intrinsically 
protected tubes > 16 cm used with 
protective screen 
 
N/A 
18.2 
Intrinsically protected tubes: tests on 12 samples 
 
N/A 
18.2.1 
Samples subject to ageing: 6 
 
N/A 
18.2.2 
Samples subject to implosion test: 6 
 
N/A 
18.2.3 
Samples subject to mechanical strength test (steel 
ball): 6 
 
N/A 
18.3 
Non-intrinsically protected tubes tested to 18.3 
 
N/A 
 
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