Read Harman Kardon AVR 430 (serv.man18) EMC - CB Certificate online
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IEC 60065, 6th edition : 1998
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- Page 9 of 38 -
Order
No.
14437
HEATING
∆
t = ( R2 - R1) x (234,5 + t1) - (t2 - t1)
R1
P
t1 =
24,2 °C
24,2 °C
t2 =
25,8 °C
22,8 °C
Test voltage
207 V
254,4 V
Winding
R1/
Ω
R2/
Ω
∆
t measured
∆
t allowed *)
Insulation
class
class
Main transf. pr. winding (207V)
1,494
1,873
64,0
85
Class E
Sub transf. pr. winding (207V)
695
830
48,7
85
Class E
Main transf. pr. winding (254,4V)
1,494
1,915
74,3
85
Class E
Sub transf. pr. winding (254,4V)
695
848
58,4
85
Class E
Other measured parts
∆
t measured
at 207V
∆
t measured
at 254,4V
∆
t allowed *)
Main transformer core
45,9
54,0
85
Sub transformer core
33,2
39,6
85
Diode, D201 body
49,3
52,9
-
PWB near D201
34,9
39,2
85
Diode, D501 body
39,8
45,7
-
PWB near D501
40,7
46,0
85
D501
heat-sink
35,4 40,6 -
Diode, D502 body
30,6
37,8
-
Diode, D503 body
26,3
35,4
-
TR, Q318 body
40,6
64,4
-
PWB near Q318
30,4
37,9
85
TR, Q438 body
50,0
66,1
-
PWB near Q438
45,1
58,8
85
E. Capacitor, C201 body
21,2
24,0
-
E. Capacitor, C514 body
22,9
28,5
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E. Capacitor, C517 body
20,3
23,8
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E. Capacitor, C571 body
25,6
30,7
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IC11
heat-sink
32,3 45,3 -
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