Read Harman Kardon AVR 355 (serv.man6) EMC - CB Certificate online
- Page 33 of 42 -
Report No. 98388
Monitored point:
dT (K)
198V 60Hz
dT (K)
242V 60Hz
Limit dT (K)
E Capacitor, C916 body
27,9
35,9
85
°C
E Capacitor, C909 body
30,3
36,5
85
°C
Sub transformer core
34,6
43,5
85
PCB near Q805
41,0
53,5
95
TR, Q805 body
53,6
71,8
-
FAN body (Internal main heatsink center)
31,6
39,3
-
FAN body (Internal main heatsink side)
16,1
19,9
-
E Capacitor, C941 body
18,4
23,8
85
°C
Main
heat-sink
43,6 57,5 -
E Capacitor, C129 body
11,1
12,2
85
°C
PCB near D992
68,7
75,5
95
D992
heat-sink
70,2 77,4 -
PCB near D991
60,5
68,1
95
D991
heat-sink
79,3 86,7 -
In-let
body
22,5 26,7 50
Main transformer core
45,0
54,1
95
Main switch button (located on rear panel)
15,9
17,9
-
Stand by switch button
2,1
4,0
50
Top enclosure above main transformer
14,3
24,4
40
Top enclosure above main heat-sink
17,1
22,6
40
Front panel (metallic decorative part)
11,7
14,2
40
Winding temperature rise measurements
198V
60Hz
242V 60Hz
Ambient temperature t1 (
o
C):
24,4
24,4
—
Ambient temperature t2 (
o
C):
24,3
24,9
—
Temperature rise dT of winding:
R
1
(Ω)
R
2
(Ω)
dT (K)
Limit dT (K) Insulation
class
Main trans. Pri. winding (at 1/8Pmax), 198V 60Hz
1,810
2,231
60,3
95
B
Sub trans. Pri. winding (at 1/8Pmax), 198V 60Hz
1230
1406
37,1
85
E
Main trans. Pri. winding (at 1/8Pmax), 242V 60Hz
1,810
2,311
71,2
95
B
Sub trans. Pri. winding (at 1/8Pmax), 242V 60Hz
1230
1450
45,8
85
E
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