AVR 430 (serv.man18) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 12

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 - 
IEC 60065, 6th edition : 1998
 - 
- Page 10 of 38 - 
 
 
   
 Order 
No. 
14437
 
 
 
 
Other measured parts 
t measured 
at 207V 
t measured 
at 254,4V 
t allowed *) 
IC, IC55 body 
38,6 
53,7 
IC55 
heat-sink 
43,6 60,9 - 
Fan 
guard 
18,9 24,7 60 
Main 
heat-sink 
33,6 44,7 - 
Appliance inlet body 
13,9 
14,6 
60 
Top enclosure above main heat-sink 
5,0 
7,8 
40 
Switch 
button 
0,2 0,5 50 
Comments  
 
 
No other parts were observed to create any hazard due to temperature rise.   
 
Test wall condition: 50 cm at top, 10 cm at other side 
 
 
*) Temperature rise limits for Singapore is 10K less. 
 
 
 
 
 
7.2 
Softening temperature of insulating 
material supporting parts 
conductively connected to the mains 
carrying a current > 0,2 A at least 
150 
°
C  
No temperature measured during heating test and fault 
cond. tests requires this test (7.2) to be performed. 
Tested parts 
Temperature   
under normal 
operating con- 
ditions (°C) 
Temperature  
under fault 
conditions  
            (°C) 
Softening 
temperature 
            (°C) 
 
 
 
 
 
 
 
 
 
 
 
 
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