Realisitic TRC-430
Documentation Project

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Alignment Procedure

Receiver Section

A.Test Equipment Required

a.

RF Signal Generator

b.

SSVM

c.

Distortion Meter

d.

Power Supply

B.Alignment Procedure

STEP

SETTING

CONNECTION

ADJUST

ADJUST FOR

1

MIC: Receive
Volume: Fully clockwise
Squelch: Turn to counterclockwise
CH Selector: 19
ANL, CH9: OFF
SSG: 27.185MHz, 1kHz,
1MV30% Mod.

Connect RF signal generator to EXT-ANT jack. Connect SSVM and distortion meter across EXT speaker jack with 8 ohm dummy load

L101
L102
L103
L104
L105

Adjust for maximum indication on SSVM. Reduce output from RF SG until the audio output becomes about500mW (2V)

2

MIC: Receive
SSG: 27.185MHz1kHz
1mV80% Mod.
Squelch: Turn to counterclockwise
ANL, CH9: OFF
CH Selector: 19
Volume: 500mW (2V)

Connect RF Signal generator to EXT-ANT jack. Connect SSVM and distortion meter across EXT speaker jack with 8 ohm dummy load

L101

Adjust for minimum indication on distortion meter.

3

Squelch adjustment

MIC: Receive
SSG: 27.185MHz, 1kHz,
1mV 30% Mod.
Squelch: Clockwise
CH Selector: 19
Volume: 500mW (2V)
ANL, CH9: OFF

Connect RF Signal generator to EXT-ANT jack. Connect SSVM and distortion meter across EXT speaker jack with 8 ohm dummy load

RV103

Adjust RV103 until the audio output just appeared.

4

RF Signal meter adjustment

MIC: Receive
SSG: 27.185MHz, 1kHz100uV
30% Mod.
Squelch: Fully counter- clockwise
Volume: 500mW (2V)
ANL, CH9: OFF

Connect RF signal generator to EXT-ANT jack. Connect SSVM and distortion meter across the EXT speaker jack with8 ohm dummy load.

RV101

Adjust so that the 3rd light up.