Read Harman Kardon AVR 85 (serv.man3) Service Manual online
FM Tuner Section Performance Specifications for Model AVR75/85
Seq #
Test
Measured
Unit
Nominal
Limits
1
Frequency Range
50K
MHz
87.50~
108.00
ü
2
(MONO)
Usable Sensitivity at 75V
U Version
90MHz
UV
(dBf)
1.3
13.5
*2.5
*19.2
98MHz
1.3
13.5
*2.5
*19.2
106MHz
1.3
13.5
*2.5
*19.2
N Version
90MHz
1.3
13.5
*3.0
*20.8
98MHz
1.3
13.5
*3.0
*20.8
106MHz
1.3
13.5
*3.0
*20.8
U, N,
Version
OTHERS
2.6
19.5
*6.0
*26.8
3
3 dB Limiting Sensitivity
98MHz
0.8
9.3
*1.3
*13.5
4
MONO Quieting Sensitivity
U Version
50 dB
90MHz
1.9
16.8
*3.3
*21.6
98MHz
1.9
16.8
*3.3
*21.6
106MHz
1.9
16.8
*3.3
*21.6
N Version
50 dB
90MHz
1.9
16.8
*4.5
*24.3
98MHz
1.9
16.8
*4.5
*24.3
106MHz
1.9
16.8
*4.5
*24.3
5
MONO S/N Ratio at 98MHz
500uV
(65dBf)
dB
76
]71
MONO Hum & Noise at 98MHz
70
]65
6
Muting Threshold
UV
(dBf)
6.3
27.2
4~11
23.2-32.0
7
Muting Window width at 98MHz
kHz
670
630~6150
8
Frequency Response
referred to 30Hz-15kHz
De-Emphasis
75uS:U
50uS:U
dB
+0.5
-2.0
+1.0
-4.0
9
Mono Distortion
1kHz
%
0.2
*0.5
10
Overload Brake up
98MHz
V
(dBf)
1.0
71
]0.5
]65
2 7
Harman Kardon
Dolby Digital Audio/Video Receiver
AVR75/85
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