HS 500 (serv.man3) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 7

 

 

Page 6 of 59 

Report No: JSH006020710-001  

EN 60065 

Clause 

Requirement - Test 

Result - Remark 

Verdict 

 

 

Reinforced or double insulation being bridged with 
2 capacitors in series complying with 14.2.1 a) 

 N 

 

Reinforced or double insulation being bridged with 
a single capacitor complying with 14.2.1 b) 

CY1, CY2, CY501, CY502 

P 

 

Basic insulation bridged by components complying 
with 14.3.4.3 

 N 

8.7 

Basic insulation between parts at 35 V to 71 V 
(peak) a.c. or 60 V to 120 V d.c. and accessible 
parts 

No such voltage 

N 

 

Reinforced or double insulation between circuits 
operating at voltages between 35 V and 71 V 
(peak) a.c. or between 60 V and 120 V d.c. and 
hazardous live parts at higher voltage 

 N 

 

Separation by Class II isolating transformer 

 

N 

 

Separation by Class I transformer 

 

N 

 

Separation by earthed conductive part 

 

N 

8.8 

Basic or supplementary insulation > 0,4 mm (mm) :  N 

 

Reinforced insulation > 0,4 mm (mm)  ................... : T501 bobbin:> 0.8mm 

T502 bobbin: >0.8mm 
Optocoupler U502, U504, 
U505: 0.40mm 
Enclosure (front panel): 
>1.5mm 
Separation sheet on internal 
enclosure under power board: 
0.51mm. 

P 

 

Thin sheet insulation 

Inside T501, T502 

P 

 

Basic or supplementary insulation, at least two 
layers, each meeting 10.3 

Withstand 2120Vp test. 

P 

 

Basic or supplementary insulation, three layers 
any two of which meet 10.3 

 N 

 

Reinforced insulation, two layers each of which 
meet 10.3 

 N 

 

Reinforced insulation, three layers any two which 
meet 10.3 

Withstand 4240Vp test. 

P 

8.9 

Adequate insulation between internal hazardous 
live conductors and accessible parts 

 N 

 

Adequate insulation between internal hazardous 
live parts and conductors connected to accessible 
parts 

 N