Read Harman Kardon HD 950 (serv.man3) EMC - CB Certificate online
Page 26 of 58 Report No. JSH006100256-002
IEC/EN 60065
Clause
Requirement – Test
Result - Remark
Verdict
TRF No: IEC/EN 60065H
TRF originator Intertek ETL SEMKO SH
Operating conditions
PCB near IC1
52.3
33.5
75
EC1 (electrolytic capacitor)
18.5
14.6
70 (105-35)
Winding of TR1
23.9
16.7
65*
Bobbin of TR1
21.7
16.1
65
PCB near TR1
20.7
16.5
75
CY1 (Y1 capacitor)
15.0
13.6
50 (85-35)
CY3 (Y1 capacitor)
21.4
17.7
50 (85-35)
PCB near IC3
11.9
10.0
75
PCB near D15
22.8
19.7
75
EC19 (electrolytic capacitor)
15.2
13.3
70 (105-35)
Power cord
10.3
8.8
50
Enclosure (metallic)
9.9
7.5
30
Enclosure (non-metallic)
4.9
3.8
50
winding temperature rise measurements:
Temperature rise dT of winding:
R1 (Ω) R2 (Ω)
dT (K)
required
dT (K)
dT (K)
Insulation
class
class
10.3
TABLE: insulation resistance measurements
Pass
Insulation resistance R between:
R (MΩ)
Required R (MΩ)
Between mains poles (primary fuse disconnected)
100
2
Between parts separated by basic or supplementary insulation
100
2
Between parts separated by double or reinforced insulation
100
4
Between parts of TR1 separated by basic or supplementary
insulation
insulation
100 2
10.3
TABLE: electric strength measurements
P
Test voltage applied between:
Test voltage (V)
Breakdown
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