Read Harman Kardon AVR 8500 (serv.man2) EMC - CB Certificate online
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IEC 60065, 6th edition : 1998
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- Page 10 of 44 -
Order No.
200211174
HEATING
∆
t = ( R2 - R1) x (234,5 + t1) - (t2 - t1)
R1
P
t1 =
23,1 °C
23,1 °C
t2 =
21,7 °C
23,3 °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)
1,314
1,593
56,1
85
Class E
Main transf. pr. winding (254,4V)
1,314
1,651
65,9
85
Class E
Sub transf. pr. winding (207V)
136,1
162,2
50,8
85
Class E
Sub transf. pr. winding (254,4V)
136,1
174,9
73,2
85
Class E
St-by transf. pr. winding (207V)
383
442
41,1
85
Class E
St-by transf. pr. winding (254,4V)
383
461
52,3
85
Class E
Other measured parts
∆
t measured
at 207V
∆
t measured
at 254,4V
∆
t allowed *)
Main transformer chassis
47,2
56,4
85
Sub transformer core
46,4
62,0
85
Standby transformer core
38,2
48,8
85
Line filter, coil (sec.)
55,8
67,5
85
Line filter, core (sec.)
49,4
59,7
85
Diode, D452 body
38,2
43,5
-
PWB near D452
32,9
37,6
85
D452 heat-sink
51,2
58,6
-
Diode, D506 body
41,9
46,0
-
Diode, D507 body
48,2
53,5
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Diode, D508 body
44,0
47,8
-
PWB near D508
36,4
40,4
85
Capacitor, C457 body
33,7
39,6
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Capacitor, C705 body
42,1
46,3
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Capacitor, C719 body
40,0
45,2
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Resistor, R451 body
30,0
38,1
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