Sherwood RD-7502 Service Manual page 8

Audio/video receiver
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DOLBY DIGITAL INPUT SECTION
INPUT : COAXIAL (CD DIGITAL)
SURROUND MODE : DOLBY DIGITAL
VOLUME POSISTION : 55dB
AT SPEAKER OUT
Disc:LD VER 1.0
No.
DESCRIPTION
1
OUT PUT LEVEL
Disc All CH 0dB
SPK MODE:LLLY,BACK-NO
2
T.H.D
Disc 0dB
LPF(20KHz)
SPK MODE:LLLY,BACK-NO
3
S/N
LPF(20KHz)
JIS-A FILTER,Disc -20dB
SPK MODE:LLLY,BACK-NO
4
DYNAMIC RANGE
5
DIALOG
NORMALIZATION
6
OUT PUT CONFIG 1
SPK MODE : SSSY,BACK-NO
Ref : 1KHz 0dB
Ref : 30Hz 0dB
7
OUT PUT CONFIG 2
SPK MODE : LSSN,BACK-NO
8
DOWNMIXING TEST
SPK MODE : LSSY,BACK-NO
INPUT
FREQ.
FRONT
1KHz
CENTER
1KHz
SURR
1KHz
S/W
30Hz
FRONT
1KHz
CENTER
1KHz
SURR
1KHz
S/W
30Hz
FRONT
1KHz
CENTER
1KHz
SURR
1KHz
S/W
30Hz
FRONT
1KHz
CENTER
1KHz
SURR
1KHz
S/W
30Hz
FRONT
CENTER
SURR
S/W
FRONT
1KHz
CENTER
1KHz
SURR
1KHz
S/W
30Hz
FRONT
1KHz
CENTER
1KHz
SURR.L
1KHz
LS
SURR.R
1KHz
RS
FRONT
1KHz
7
CHAP
UNIT
NOMI.
V
9.5±1
8 ,12
V
9.5±1
10
14,16
V
9.5±1
18
V
1.0±0.5
38
%
38
%
38
%
18
%
dB
6
dB
6
6
dB
18
dB
38
dB
-11±1
38
dB
-11±1
dB
-11±1
38
dB
0±1
18
dB
-10±0.5
43
dB
-10±0.5
43
dB
-10±0.5
43
43
dB
-10±0.5
38(ref)
dB
-17±1
20
38(ref)
dB
-17±1
20
38(ref)
dB
-17±1
20
18(ref)
dB
6.0±1
22
38(ref)
dB
5.5±1
18
10(ref)
dB
-3±0.5
C
NO
14
dB
-3±0.5
NO
16
dB
-3±0.5
NO
6(ref)
dB
7.5±1
SY:ON
SPEC
LIMIT
9.5±2
9.5±2
9.5±2
1.0±0.8
0.3
0.5
0.3
0.5
0.3
0.5
0.25
0.3
65
60
65
60
65
60
65
60
-11±2
-11±2
-11±2
0±2
-10±1
-10±1
-10±1
-10±1
-17±3
-17±3
-17±3
6.0±2
5.5±2
-3±1
-3±1
-3±1
7.5±2

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