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ALIGNMENT
INSTRUCTION
OF
RADIO
DIAL
THREADING
AM
IF & RF
ALIGNMENT
Fig. 7
Dial dram:
Fully opened
gang position
Output of signal generator snould be no higher than necessary to obtain an output reading.
Maintain line voltage at 90~250 volts.
Set volume control to maximum.
Set band selector to AM.
SIGNAL
GENERATOR
COUPLING
SIGNAL
GENERATOR
FREQUENCY
RADIO DIAL
SETTING
INDICATOR
ADJUSTMENT
REMARKS
Fashion loop of several
turns of wire and
radiate signal into loop
of receiver.
i
455 kHz
(400 Hz Mod.)
Point of non-
interference.
(on/about
600 kHz)
Output meter
across EXT SP
jack.
T7108 (3rd IFT)
T105 (2nd IFT)
T103 (ist IFT)
(See fig. 12)
Adjust for maximum
output.
Fashion loop of several
turns of wire and
radiate signal into loop
of receiver.
550 kHz
(400 Hz Mod.)
550 kHz
Output meter
across EXT SP
jack.
L104 (OSC coil)
L107 (ANT coil)
(See fig. 12)
Adjust for maximum
output.
Fashion loop of several
turns of wire and
radiate signal into loop
of receiver.
Note:
1,500 kHz
(400 Hz Mod.)
1,500 KHz
Output meter
across EXT SP
jack.
1. Cement antenna bobbin with wax after completing alignment.
C161
(OSC.
trimmer)
C160 (ANT
trimmer)
(See fig. 12)
Adjust for maximum
output.
Repeat steps (2) and
(3).
2. Make certain that speaker system or dummy resistor (8Q) is connected to the EXT SP jack when aligning.
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