Tuner Alignment - Sherwood RD-7502 Service Manual

Audio/video receiver
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1. Electrical specification
No.
1-1
Local OSC
1-2
Frequency cover range
1-3
Standard supply voltage
1-4
FM Antenna Impedance
1-5
AM Loop Antenna
2. Electrical Characteristics
No.
TEST ITEMS
AF Output Level
FM
Auto Stop Level
Stereo Separation
AF Output Level
MW
Auto Stop Level
3. Adjust Point

TUNER ALIGNMENT

ITEMS
TEST
T.P.
CONDITION
47kΩ Load
98.1
98.1
98.1
1kHz
999
47kΩ Load
999
SPECIFICATION
M W
Above the receiving Frequency
522 ~1620kHz
12 +/-0.5V
75 ohm unbalance
9.5uH ( 1kHz ) : S0160BL-25
T.L.
MOD.
Specification
dBu
kHz,%
60
280±100
40
25 ±6
--
60
25 min
180 ±60
74
30
55 ±15
--
30
17
F M
87.5 ~ 108.0MHz
UNIT
Adjustment
mV
Non Adjust
dBu
SVR01
dB
SVR02
mV
Non Adjust
dBu
Non Adjust

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