Read Harman Kardon DVD 21 (serv.man14) EMC - CB Certificate online
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Ref.No.:JSH02*1896-001
EN 60065
Clause
Requirement - Test
Result - Remark
Verdict
10.3
TABLE: electric strength measurements
P
test voltage applied between:
test voltage (V)
Breakdown
Between poles of the circuit directly connected to the mains
2120Vp
No
Between Prim. and Sec. circuits
4240Vp
No
Between Prim. circuit and accessible parts
4240Vp
No
11.2
TABLE: summary of fault condition tests
P
Voltage (V) 0.9 or 1.06 times rated voltage ........... : 1.06x240=254.4
0.9x100=90
Ambient temperature (
°C) ...................................... : 24
Winding temperature rise measurements
Ambient
temperature t1 (ºC) .................................. : --
Ambient
temperature t2 (ºC) .................................. : --
No. Component
No.
Fault
Test voltage
(V)
Test
time
Fuse No.
Fuse
current
(A)
Result
1
C8
SC
90/254.4
5min
F1
Input 3W. Circuit protected, no
extreme temperature, no hazard
extreme temperature, no hazard
2 C16 SC 90/254.4 5min F1 As
above
3 D4 SC 90/254.4 5min F1
As
above
4
C34
SC
90/254.4
5min
F1
Input up to 69W, D9, D10 broken in
10s. then input down to 2.1W.
Circuit protected. no hazard.
10s. then input down to 2.1W.
Circuit protected. no hazard.
5
C9
SC
90/254.4
20min
F1
Input 16.6W, D5 temp. rise 85K.
TR1 temp. rise 50K. no extreme
temperature, no hazard
TR1 temp. rise 50K. no extreme
temperature, no hazard
6
D5
SC
90/254.4
20min
F1
Input up to 47W for 3 min. then
back to 16W. C44 temp. rise to
70K. enclosure deformed. no
extreme temperature, no hazard
back to 16W. C44 temp. rise to
70K. enclosure deformed. no
extreme temperature, no hazard
7 D7 SC 90/254.4
20min
F1
As
normal
8 D8 SC 90/254.4
20min
F1
As
normal
9
IC2 input
SC
90/254.4
20min
F1
Input up to 100W for seconds. C15,
C18 broken. 2 minutes later input
down to 3.4W. Circuit protected. no
extreme temperature, no hazard
C18 broken. 2 minutes later input
down to 3.4W. Circuit protected. no
extreme temperature, no hazard
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