Read Harman Kardon AVR 355 (serv.man6) EMC - CB Certificate online
- Page 32 of 42 -
Report No. 98388
Monitored point:
dT (K)
198V 50Hz
dT (K)
253V 50Hz
dT (K)
198V 60Hz
dT (K)
253V 60Hz
Limit dT (K)
*)
E Capacitor, C916 body
27,4
39,4
27,9
39,6
85
°C
E Capacitor, C909 body
29,5
39,2
30,3
39,2
85
°C
Sub
transformer
core
34,6 53,9 34,6 48,3 85
PCB
near
Q805
40,8 60,4 41,0 60,5 95
TR,
Q805
body
53,3 81,1 53,6 82,1 -
FAN body (Internal main heat-sink center)
31,1
44,0
31,6
43,9
-
FAN body (Internal main heat-sink side)
15,5
20,8
16,1
20,8
-
E Capacitor, C941 body
17,7
24,9
18,4
24,9
85
°C
Main
heat-sink
43,2 64,5 43,6 65,3 -
E Capacitor, C129 body
10,1
11,6
11,1
11,5
85
°C
PCB
near
D992
68,4 80,3 68,7 81,4 95
D992
heat-sink
70,0 81,8 70,2 83,2 -
PCB
near
D991
60,3 75,5 60,5 75,8 95
D991
heat-sink
79,3 93,5 79,3 93,8 -
In-let
body
21,7 28,8 22,5 28,8 50
Main
transformer
core
45,1 60,4 45,0 58,2 95
Main switch button (located on rear
panel)
15,2 19,5 15,9 20,1 -
Stand
by
switch
button
2,1 2,8 2,1 3,3 50
Top enclosure above main transformer
17,6
23,7
14,3
23,3
40
Top enclosure above main heat-sink
17,1
24,4
17,1
28,5
40
Front panel (metallic decorative part)
10,0 15,2 11,7 16,2 40
*) Temperature rise limits for Singapore is 10K less.
Winding temperature rise
measurements
measurements
198V50Hz 253V50Hz 198V60Hz 253V60Hz
Ambient temperature t1 (
o
C) :
24,4
24,4
24,4
24,4
—
Ambient temperature t2 (
o
C) :
24,0
24,0
24,3
23,0
—
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 50Hz
1,810
2,220
59,1
95
B
Sub trans. Pri. winding (at 1/8Pmax), 198V 50Hz
1230
1400
36,2
85
E
Main trans. Pri. winding (at 1/8Pmax), 253V 50Hz
1,810
2,351
77,8
95
B
Sub trans. Pri. winding (at 1/8Pmax), 253V 50Hz
1230
1513
60,0
85
E
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), 253V 60Hz
1,810
2,338
76,9
95
B
Sub trans. Pri. winding (at 1/8Pmax), 253V 60Hz
1230
1471
52,1
85
E
*) Temperature rise limits for Singapore is 10K less.
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