Read Harman Kardon AVR 630 (serv.man4) EMC - CB Certificate online
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IEC 60065, 6th edition : 1998
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- Page 9 of 39 -
Order
No.
14438
HEATING
∆
t = ( R2 - R1) x (234,5 + t1) - (t2 - t1)
R1
P
t1 =
24,2 °C
24,2 °C
t2 =
24,7 °C
20,3 °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)
1,583
1,967
62,3
85
Class E
Sub transf. pr. winding (207V)
690
830
52,0
85
Class E
Main transf. pr. winding (254,4V)
1,583
2,000
72,0
85
Class E
Sub transf. pr. winding (254,4V)
690
846
62,4
85
Class E
Other measured parts
∆
t measured
at 207V
∆
t measured
at 254,4V
∆
t allowed *)
Main transformer core
46,7
53,8
85
Sub transformer core
37,6
45,6
85
Diode, D201 body
48,7
49,8
-
PWB near D201
34,5
37,9
85
PWB near D501
44,1
47,7
85
D501
heat-sink
47,8 49,5 -
Diode, D502 body
27,8
32,7
-
Diode, D503 body
25,8
31,1
-
TR, Q318 body
44,1
57,5
-
PWB near Q318
33,0
38,8
85
TR, Q438 body
52,4
68,0
-
PWB near Q438
46,9
60,2
85
E. Capacitor, C201 body
21,2
23,0
-
E. Capacitor, C514 body
21,8
26,5
-
E. Capacitor, C517 body
20,6
23,2
-
E. Capacitor, C571 body
27,3
30,1
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IC11
heat-sink
32,6 40,4 -
IC, IC55 body
41,8
53,9
-
IC55
heat-sink
40,8 55,2 -
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