Sherwood RX-772, Service Manual

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1. Electrical specification.
Local OSC
Frequency cover range
Standard supply voltage
FM Antenna input Impedance
AM Loop Antenna
2. Electrical Characteristics.
AF Output Level
Auto Stop Sens.
Stereo Separation 1kHz
AF Output Level
Auto Stop Sens.
3. Adjust Point.
F M A M
522 ~ 1620kHz 87.5 ~ 108.0MHz
98.1 --
98.1 60
75
AM
47
㏀
Load 1000 74
--
FM
47
㏀
Load 98.1 60
mV Non Adjust
dBu
30 200±50
1-3
1-4
Above the receiving Frequency
12(+/-0.5V)
75 ohm
NO.
NO
ITEMS
SPECIFICATION
1-1
kHz,% dBu
TEST
CONDITION
T.P.
1-2
75
1-5
Adjustment
Non Adjust
TEST ITEMS
MOD. T.L.
20uH ( 1kHz )
600±100 mV
dBu SVR1
UNIT Specification
20 ±5
Tuner Alignment
SVR2
SVR3
75
30 55 ±15
40 min dB
1000