Bsr r 30 rec sm

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ALIGNMENT PROCEDURE

Do not attempt alignment unless the following equipment is available.

EQUIPMENT DESCRIPTION

1. AM Signal Generator 5. Stereo Modulator
2. Oscilloscope 6. Audio Generator
3. AC Voltmeter 7. Distortion meter
4. FM Signal Generator

AM IF 8: RF ALIGNMENT

Output of signal generator should be no higher than necessary to obtain an output reading.
Set SELECTOR switch to AM position.

SIGNAL SIGNAL RECEIVER

GENERATOR GENERATOR DIAL INDICATOR ADJUSTMENT REMARK
COUPLING FREQUENCY SETTING

I Point of non-
455 KHz interference.

Output meter T205 (lst lFT) Adjust for

1 Refer to Fig. 1 (400 Hz Mod.) (on/about t:CkTAPE OUT Egg EghddlLFTz) 223::um
600 KHZ) I g'

2 Same as 600 KHZ 600 KHz Same as ste 1 L801 (OSC CO) :Igisrifl

step 1 (400 Hz Mod.) p L201 (ANT coil) .

reading.

Adjust for

Same as 1400 KHz (OSC Trimmer) maximum
3 step 1 (400 Hz Mod.) 1400 KHZ Same as step 1 (ANT Trimmer) reading.

Repeat steps
(2) and (3)

Note: Remove line cord antenna from FM external antenna terminal when aligning.

Loop ANTENNA
~- 60 cm FERITE ANTENNA (Built in AM Antenna)

x)

TAPE OUT

AM
Shnm
Generator

Recewer

AM ALIGNMENT CONNECTION

Fig. I