Read Harman Kardon HK 3390 EMC - CB Certificate online
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Page 38 of 43 -
Report
No.
98502
Monitored point:
Under fault conditions specified below - continued
Under fault conditions specified below - continued
dT (K)
Limit dT (K)
***)
*), Ventilation opening (Blocked);
Unit shut down after 23 min.
The components are maximum temperature:
1) Main transformer primary winding
2) Main transformer core
3) Sub transformer primary winding
4) Sub transformer core
5) PWB near Q319
Input current stabilised at 0,009A. No component damaged.
Dielectric strength test O.K. No hazard. (Tested time: 23 min)
Unit shut down after 23 min.
The components are maximum temperature:
1) Main transformer primary winding
2) Main transformer core
3) Sub transformer primary winding
4) Sub transformer core
5) PWB near Q319
Input current stabilised at 0,009A. No component damaged.
Dielectric strength test O.K. No hazard. (Tested time: 23 min)
1) 69,0
2) 57,7
3) 47,7
4) 45,5
5) 70,5
2) 57,7
3) 47,7
4) 45,5
5) 70,5
1) 150
2) 150
3) 150
4) 150
5) 110
2) 150
3) 150
4) 150
5) 110
*), Pmax. Operating (Maximum non-clipped output signal);
Main transformer primary winding maximum temperature 121K and
thermal fuse opened after 12 min. Input current stabilised at 0,009A.
Dielectric strength test O.K. No hazard (Tested time: 12 min).
Main transformer primary winding maximum temperature 121K and
thermal fuse opened after 12 min. Input current stabilised at 0,009A.
Dielectric strength test O.K. No hazard (Tested time: 12 min).
Main transf.
121
Main transf.
150
*) Tested voltage 253V **) Tested voltage 198V
***) Temperature rise limits for Singapore is 10K less
F No = Fault Number, S-c = Short-circuit, Dis = Disconnection, O-I = Over Loaded
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