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READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT
1. Set power source voltage to 230V/50Hz AC.
2. Set volume control to maximum.
3. Set band switch to AM or FM.
4. Output of signal generator should be no higher than necessary to obtain an output reading.
- AM-IF ALIGNMENT
Signal Generator or Sweep
Generator
Connections
Fashion a loop of
several turns of
wire and radiate
signal into loop of
receiver.
- AM-RF ALIGNMENT
Signal Generator or Sweep Generator
Connections
Fashion a loop of
several turns of
wire and radiate
signal into loop of
receiver.
Fashion a loop of
several turns of
wire and radiate
signal into loop of
receiver.
Fashion a loop of
several turns of
wire and radiate
signal into loop of
receiver.
Fashion a loop of
several turns of
wire and radiate
signal into loop of
receiver.
[*1] Fix antenna coil with wax after completing alignment
Radio Dial Setting
Frequency
459 kHz 30%
Point of non-
Mod. at 400 Hz
interference. (on/
about 600 kHz)
Frequency
511 kHz
Variable
capacitor fully
closed.
1650 kHz
Variable
capacitor fully
opened.
600 kHz
Tune to signal Connect vert.
1500 kHz
Tune to signal Connect vert.
Indicator
(Electronic
Voltmeter or
oscilloscope)
Connect vert.
amp. of scope to
test point TP3.
Negative side to
test point TP4.
Radio Dial
Indicator
Setting
(Electronic
Voltmeter or
oscilloscope)
Connect vert.
amp. of scope to
test point TP3.
Negative side to
test point TP4.
Connect vert.
amp. of scope to
test point TP3.
Negative side to
test point TP4.
amp. of scope to
test point TP3.
Negative side to
test point TP4.
amp. of scope to
test point TP3.
Negative side to
test point TP4.
10
Adjustment
(Shown in
Fig.1
)
T3 (AM IFT)
Adjust
maximum
output.
Adjustment
(Shown in
Fig.1
)
L10 (AM OSC
Adjust
Coil)
maximum
output.
CT1-3 (AM OSC
Adjust
Trimmer)
maximum
output.
[*1] L5 (AM ANT
Adjust
Coil)
maximum
output.
by L5
moving
along
ferrite
CT1-4 (AM ANT
Adjust
Trimmer)
maximum
output.
Remarks
Remarks
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