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TUNER ADJUSTMENTS
Set of unit
Supply voltage
:DC 12.0V
Speaker impedance:8 ohms
Standard output
:50mW
Function switch
:RADIO
a.Parts Location
OUT
T103
CF102
CF101
T102
a.AM Adjustment
Step Adjustin
g Circuit
Input
Closed the output
terminal by sweep
IF
1
generator,it place
to AM ANT
Tuning
2
Connet AM SG to
coverage
test loop
3
4
Connect AM SG to
Tracking
test loop
5
b.FM Adjustment
Adjustin
Step
g Circuit
Input
Connect sweep
IF
1
generator
Tuning
2
Connect FM SG to
FM ANT(H) D101
coverage
3
4
Connect FM SG to
Tracking
FM ANT(H) D101
5
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CF103 460khz
L101
Band switch:MW
Connections
Output
Connect sweep
genneratorto(19)IC101
(H) Oand T103
Connect VTVM to
speaker terminals.
Connect VTVM to
speaker terminals.
Band switch:FM
Connections
Output
Connect VTVM to (19)
IC101(H) and T102
Connect VTVM to
speaker terminals.
Connect VTVM to
speaker terminals.
- 2 -
SG
Position of
Frequency
Tuning dial
Low
460 KHz
515 KHz Low end
1640 KHz
High end
610 KHz 610 KHz MW ANT
1404 KHz 1404 KHz
FM Dummy antenna:75 ohms unbalance
Position of
SG
Tuning
Frequency
dial
10.7MHz
Low
87.5 MHz Low end
High end
108.5 MHz
90.0 MHz 90.0 MHz
106.0 MHz 106.0 MHz
L102
T101
FM ANT
VTVM
Adjustment
Oscilloscope
T103
T101
PVC
Max.
PVC
VTVM
Adjustment
Oscilloscope
L101
PVC
L101
Max
PVC
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