Read Harman Kardon HKTS 7 (serv.man2) EMC - CB Certificate online
page 23 of 31
Ref.No.:401597
IEC 60065
Clause
Requirement - Test
Result - Remark
Verdict
TRF No.: I60065__C
11.2
TABLE: summary of fault condition tests
P
Voltage (V) 0.9 or 1.06 times rated voltage .......... : 220-240
Ambient temperature (
°C) ..................................... : 22
Winding temperature rise measurements
Ambient temperature t1 (ºC) ................................. : 22
Ambient temperature t2 (ºC) ................................. : 22
No
.
Component
No.
Fault Test voltage
(V)
Test
time
Fuse No.
Fuse
current
(A)
Result
1 Max.
non-
clipping
output
power
(pink noise)
-- 254.4 4h
Mains
fuse
0.55
Pn= 104W, In= 0.55A.
Transf. prim. winding dT = 78K
Transf. sec. windings dT = 68-
72K
Enclosure (metal) = 44K
Heat sink (exterior) = 48K
No remarks.
2 Q105 sc 254.4 -- Mains
fuse
>2.6A
Q107 and Q108 broke, mains
fuse opened immediately.
No remarks.
3 Q107 sc 254.4 -- Mains
fuse
>2.6A
Q107 and Q108 broke, mains
fuse opened immediately.
No remarks.
4 C133 sc 198
-- Mains
fuse
>2.6A
Mains fuse opened immediately.
No remarks.
5 D115
( - )
sc 198 --
Mains
fuse
>2.6A
Mains fuse opened immediately.
No remarks.
6 D110
( - )
sc 198 --
Mains
fuse
>2.6A
Mains fuse opened immediately.
No remarks.
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