COMPLETE REALIGNMENT
Complete realignment is only needed when a component that affects alignment has been replaced. RADIO
REPROGRAMMING WITH TEST FREQUENCIES IS REQUIRED.
Table 2-1 TEST EQUIPMENT REQUIRED
TEST INSTRUMENT
INSTRUMENT CAPABILITIES
USE
Regulated
DC Power supply
RF Wattmeter
RF Load Resistor
Frequency
Modulation Meter
Frequency Me ter or
Frequency Counter
Audio Generator
RF Signal
Generator
Distortion Analyzer
Load Resistor
( audio )
AC Voltmeter
Oscilloscope
Digital Multimeter
Programmer
13.4 V DC, 30 A, adjustable voltage
150 W, 30 - 50MHz,
50
Ω
circuit
50
Ω
, 200 W
30 - 50 MHz, peak -
responding, +/- 5KHz range
30 - 50 MHz,
1.0 ppm accuracy
1,000KHz sine -wave
0-4 Vrms output
30 - 50 MHz range,
0.1 - 1 KuV output, 3KHz
FM mod. With 1 KHz tone
1 KHz notch,
1% measuring range
3.2
Ω
, 20 W
10mV to 10 Vrms
DC to 500KHz bandwidth
0.1 to 20 V DC
PC Programming Software
Radio power source
Transmitter power
measurements
Antenna dummy load
Modulation level
measurements
Carrier frequency
measurements
Modulation level
measurements
All receiver
measurements
R eceiver performance
test and IF alignment
Speaker load for all
receiver measurements
Audio level adjustments
Test point measurements
and power supply setup
Manual radio control