HD 970 (serv.man7) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 21

 

 

Page 20 of 55 

Report No. JSH0503351-001 

 

IEC/EN 60065 

Clause 

Requirement – Test 

Result - Remark  

Verdict 

 

TRF No:  IECEN60065F 

TRF originator BEAB 

 

 

20.1.1 

Electrical components meet the requirements of 
Clause 14 or 20.1.4 

 

Pass 

20.1.2 

Insulation of internal wiring working at voltages 
> 4 Kv or leaving an internal fire enclosure, not 
contributing to the spread of fire 

No voltage exceeding 4kV 

N/A 

20.1.3 

Material of printed circuit boards on which the 
available power exceeds 15 W at a voltage 
between 50 V and 400 V (peak)  a.c. or d.c. meets 
V-1 or better to IEC60707, unless used in a fire 
enclosure 

All PCBs V -0. 

Pass 

 

Material of printed circuit boards on which the 
available power exceeds 15 W at a voltage >400 V 
(peak) a.c. or d.c. meets V-0 to IEC 60707 

No part exceeds 400V  

N/A 

20.1.4 

Components and parts not covered by 20.1.1, 
20.1.2 and 20.1.3 (other than fire enclosures) 
mounted nearer to a potential ignition source than 
the distances in Table 21 comply with the relevant 
flammability category in Table 21 

PCB and transformer bobbin 
rated V-0. 

Pass 

 

Components and parts as above but shielded from 
a potential ignition source, with the barrier area in 
accordance with Table 21 and fig. 13 

 

N/A 

20.2 

Fire enclosure 

 

N/A 

20.2.1 

Potential ignition sources with open circuit voltage 
> 4 kV (peak) a.c. or d.c. contained in a fire 
enclosure to V-1 

No voltage exceeding 4kV 

N/A 

20.2.2 

Internal fire enclosures with openings not 
exceeding 1 mm in width and with openings for 
wires completely filled 

 

N/A 

20.2.3 

Requirements of 20.2.1 and 20.2.2 met by an 
internal fire enclosure 

 

N/A