HK 3700 (serv.man4) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 18

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Report No 248608.
 
  
 
 
 
 
 
IEC 60065 
Clause 
Requirement + Test 
Result - Remark 
Verdict
 
TRF No. IEC60065K 
 
10 Insulation 
requirements 
 
10.1 
Insulation resistance (MΩ) at least 2 MΩ min. after 
surge test for basic and 4 MΩ min. for reinforced 
insulation  ................................................................. : 
Basic: >2.6 MΩ, 
Reinforced: >5.2 MΩ after 
surge test. 
P 
10.2 
Humidity treatment 48 h or 120 h  .......................... : 
Performed for 120 h at temp. 
40 ºC and humidity 93 %. 
P 
10.3 
Insulation resistance and dielectric strength between 
mains terminals  
(see appended table 10.3) 
P 
 
Insulation Resistance and dielectric strength across 
BASIC or SUPPLEMENTARY insulation (Class I)  
Class II apparatus 
N/A 
 
Insulation resistance and dielectric strength across 
REINFORCED insulation (Class II)  
(see appended table 10.3) 
P 
 
11 Fault 
conditions 
 
11.1 
No shock hazard under fault condition  
No electric shock hazard 
under fault conditions. 
P 
11.2 
Heating under fault condition  
(see appended table 11.2) 
P 
 
Flames extinguish within 10 seconds  
No flames. 
P 
 
No hazard from softening solder  
No softening solder. 
P 
 
Soldered terminations not used  as protective 
mechanism  
No soldered terminations. 
P 
11.2.1 
Measurement of temperature rises  
(see appended table 11.2) 
P 
11.2.2 
Temperature rise of accessible parts  
(see appended table 11.2) 
P 
11.2.3 
Temperature rise of parts, other than windings and 
printed boards, providing electrical insulation 
(see appended table 11.2) 
P 
11.2.4 
Temperature rise of parts acting as a support or  
mechanical barrier  
(see appended table 11.2) 
P 
11.2.5 
Temperature rise of windings  
(see appended table 11.2) 
P 
11.2.6 
Temperature rise of printed boards shall not exceed 
the limits of table 3 by max. 100 K for max. 5 min 
No exceeding the limits of 
Table 3. 
N/A 
 
Printed circuit boards (PCB) classified as V-0 
according to 60695-11-10 or Clause G.1 may 
exceed the limit in table 3 in case a) and b): 
 
N/A 
 
a) Temperature rise of printed circuit boards 
exceeding the limits of table 3 by not more than 
100 K for an area not greater than 2 cm²  ................ :
No area where temperature 
exceeds 100 K above limits. 
N/A 
 
b) Temperature rise of printed circuit boards 
exceeding the limits of table 3 up to 300 K for an 
area not greater than 2 cm² for a maximum of 5 min 
No area where temperature 
exceeds 300 K above limits. 
N/A 
 
Meets all the special conditions if conductors on 
printed circuit boards are interrupted  
No conductors are 
interrupted/peeled/loosened 
during fault conditions. 
N/A 
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