Read Harman Kardon AVR 5550 (serv.man11) EMC - CB Certificate online
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IEC 60065, 6th edition : 1998
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- Page 9 of 40 -
Order
No.
200245265
HEATING
∆
t = ( R2 - R1) x (234,5 + t1) - (t2 - t1)
R1
P
t1 =
22,7 °C
22,7 °C
t2 =
24,3 °C
24,4 °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)
1,535
1,902
59,9
85
Class E
Main transf. pr. winding (254,4V)
1,535
1,950
67,8
85
Class E
Sub transf. pr. winding (207V)
716
838
42,2
85
Class E
Sub transf. pr. winding (254,4V)
716
893
61,9
85
Class E
Other measured parts
∆
t measured
at 207V
∆
t measured
at 254,4V
∆
t allowed *)
Main transformer core
38,9
43,6
85
Sub transformer core
28,8
40,8
85
Diode, D201 body
63,3
64,2
-
PWB near D201
28,7
29,6
85
Diode, D501 body
47,7
48,7
-
PWB near D501
34,6
35,3
85
D501
heat-sink
51,4 51,7 -
Diode, D502 body
29,0
31,7
-
PWB near D502
24,0
24,2
85
Diode, D503 body
35,1
36,5
-
PWB near D503
22,3
25,9
85
Diode, D505 body
14,3
14,9
-
PWB near D505
18,3
19,2
85
E. Capacitor, C202 body
22,0
24,4
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E. Capacitor, C504 body
28,3
30,6
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Regulator, IC53 heat-sink
31,5
47,7
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Power TR, Q435 body
58,4
66,9
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Power TR, Q439 body
62,1
72,7
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