Harman Kardon HK 3390 EMC - CB Certificate ▷ View online
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Page 31 of 43 -
Report
No.
98502
7.1
TABLE: temperature rise measurements
P
Power consumption in the OFF/Stand-by
In OFF/Stand-by position,
the power consumption is
less than 1.3W.
the power consumption is
less than 1.3W.
—
Position of the functional switch (W) ................ :
—
—
Operating conditions
Standby mode at 50Hz;
Un (V)
In (A)
Pn (W)
Pout (W)
230 0,008 1,3 —
220 0,008 1,2 —
Standby mode at 60Hz;
Un (V)
In (A)
Pn (W)
Pout (W)
230 0,008 1,2 —
220 0,008 1,1 —
Measured at maximum non-clipped output at 50Hz;
Un (V)
In (A)
Pn (W)
Pout (W)
253
2,87
624
2 x 75,6 W
(SPK 1)
2 x 75,6 W
(SPK 2)
Measured at maximum non-clipped output at 60Hz;
253
2,82
618
2 x 75,6 W
(SPK 1)
2 x 75,6 W
(SPK 2)
Tested condition: 1kHz input signal, connected 8 ohm loads for Speaker 1 and Speaker 2 channels
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Page 32 of 43 -
Report
No.
98502
Measured at 1/8 of maximum non-clipped output at 50Hz;
Un (V)
In (A)
Pn (W)
Pout (W)
253
1,27 253
2 x 9,45 W
(SPK 1)
2 x 9,45 W
(SPK 2)
230
1,24 225
2 x 9,45 W
(SPK 1)
2 x 9,45 W
(SPK 2)
220
1,23 213
2 x 9,45 W
(SPK 1)
2 x 9,45 W
(SPK 2)
198
1,19 189
2 x 9,45 W
(SPK 1)
2 x 9,45 W
(SPK 2)
Measured at 1/8 of maximum non-clipped output at 60Hz;
253
1,26 250
2 x 9,45 W
(SPK 1)
2 x 9,45 W
(SPK 2)
242
1,25 238
2 x 9,45 W
(SPK 1)
2 x 9,45 W
(SPK 2)
230
1,23 224
2 x 9,45 W
(SPK 1)
2 x 9,45 W
(SPK 2)
220
1,22 212
2 x 9,45 W
(SPK 1)
2 x 9,45 W
(SPK 2)
198
1,19 188
2 x 9,45 W
(SPK 1)
2 x 9,45 W
(SPK 2)
Tested condition: 1kHz input signal, connected 8 ohm loads for Speaker 1 and Speaker 2 channels
Loudspeaker impedance (Ω) ......
8 Ohm
—
Several loudspeaker systems
SPEAKER 1 : Right and Left
SPEAKER 2 : Right and Left
SPEAKER 2 : Right and Left
P
Marking of loudspeaker
terminals
terminals
SPEAKER 1 ( 8
Ω ),
SPEAKER 2 ( 8
Ω )
P
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Page 33 of 43 -
Report
No.
98502
Measured at 1/8 of maximum non-clipped output;
Monitored point:
dT (K) at
253V, 50Hz
dT (K) at
198V, 50Hz
dT (K) at
253V, 60Hz
dT (K) at
198V, 60Hz
Limit dT (K)
*)
Main transformer core
67,4
56,7
63,3
53,0
95
Sub transformer core
42,9
30,2
39,7
28,6
85
E-capacitor, C116 body
25,9
22,5
25,3
21,3
85
°C
D113
body
62,3 57,2 60,3 55,2 -
PWB near D113
43,1
38,7
41,8
36,8
95
D113
heat-sink
57,3 52,9 55,6 51,0 -
Q319
body
78,1 57,6 77,0 55,5 -
PWB near Q319
58,9
44,3
58,1
42,9
95
IC12
body
49,5 29,3 49,4 27,9 -
PWB near IC12
41,1
27,8
41,6
26,4
95
IC12
heat-sink
45,5 27,8 45,3 26,4 -
E-capacitor, C121 body
23,0
18,6
22,7
18,2
85
°C
Main
heat-sink
63,9 48,2 62,8 46,6 -
Bushing
18,5 16,0 17,7 14,7 50
Top enclosure above transformer
26,1
22,7
25,6
20,9
40
Top enclosure above main heat-sink
40,4
31,9
39,4
30,1
65 **)
Power switch knob (Non-metallic)
10,3
9,4
9,9
8,3
50
Front panel (metallic)
7,9
6,6
8,2
5,7
40
Standby button (Non-metallic)
6,0
5,4
6,3
4,4
50
*) Temperature rise limits for Singapore is 10K less
**) Directly covering part for main heat-sink. The top cover is supplied with ventilation openings covering
most of the top cover. This indicates emission of heat from internal parts and the opening area is
therefore not likely to be touched during normal use.
Winding temperature rise
measurements
measurements
253V,
50Hz
198V,
50Hz
253V,
60Hz
198V,
60Hz
—
Ambient temperature t1 (
o
C) :
26,1 26,1 26,1 26,1
—
Ambient temperature t2 (
o
C) :
22,7 24,7 23,6 24,2
—
Temperature rise dT of winding:
R
1
(Ω)
R
2
(Ω)
dT (K)
Limit dT (K)
*)
Insulation
class
Main transf. primary winding (253V, 50Hz)
5,30 6,84 79,1 95 B
Sub transf. primary winding (253V, 50Hz)
2883 3384 48,7 85
E
Main transf. primary winding (198V, 50Hz)
5,30 6,63 66,8 95 B
Sub transf. primary winding (198V, 50Hz)
2883 3193 29,4 85
E
Main transf. primary winding (253V, 60Hz)
5,30 6,75 73,8 95 B
Sub transf. primary winding (253V, 60Hz)
2883 3325 42,5 85
E
Main transf. primary winding (198V, 60Hz)
5,30 6,52 61,9 95 B
Sub transf. primary winding (198V, 60Hz)
2883 3185 29,2 85
E
*) Temperature rise limits for Singapore is 10K less
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Page 34 of 43 -
Report
No.
98502
Measured at 1/8 of maximum non-clipped output;
Monitored point:
dT (K) at
198V, 60Hz
dT (K) at
242V, 60Hz
Limit dT (K)
Main transformer core
53,0
62,4
95
Sub transformer core
28,6
37,5
85
E-capacitor, C116 body
21,3
24,7
85
°C
D113 body
55,2
60,5
-
PWB near D113
36,8
41,8
95
D113 heat-sink
51,0
56,0
-
Q319 body
55,5
72,9
-
PWB near Q319
42,9
55,1
95
IC12 body
27,9
45,7
-
PWB near IC12
26,4
38,6
95
IC12 heat-sink
26,4
42,1
-
E-capacitor, C121 body
18,2
21,5
85
°C
Main heat-sink
46,6
60,3
-
Bushing
14,7
17,3
50
Top enclosure above transformer
20,9
25,0
40
Top enclosure above main heat-sink
30,1
38,6
40
Power switch knob (Non-metallic)
8,3
9,8
50
Front panel (metallic)
5,7
7,6
40
Standby button (Non-metallic)
4,4
5,9
50
Winding temperature rise
measurements
measurements
198V,
60Hz
242V,
60Hz
—
Ambient temperature t1 (
o
C) :
26,1
26,1
—
Ambient temperature t2 (
o
C) :
24,2
22,8
—
Temperature rise dT of winding:
R
1
(Ω)
R
2
(Ω)
dT (K)
Limit dT (K) Insulation
class
Main transf. primary winding (198V, 60Hz)
5,30 6,52 61,9 95 B
Sub transf. primary winding (198V, 60Hz)
2883 3185 29,2 85
E
Main transf. primary winding (242V, 60Hz)
5,30 6,72 73,1 95 B
Sub transf. primary winding (242V, 60Hz)
2883 3312 42,1 85
E
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