Chapter 4 Recommended Test Equipment and Service
Aids
This chapter provides lists of recommended test equipment and service aids, as well as information
on field programming equipment that can be used in servicing and programming ASTRO
APX 3000 radios.
4.1 Recommended Test Equipment
The list of equipment contained in Table 4-1 includes all of the standard test equipment required for
servicing two-way portable radios, as well as several unique items designed specifically for servicing
this family of radios. The “Characteristics” column is included so that equivalent equipment may be
substituted; however, when no information is provided in this column, the specific Motorola model
listed is either a unique item or no substitution is recommended.
Table 4-1. Recommended Test Equipment
Equipment Characteristics Example Application
Service
Monitor
Can be used as a substitute for
items marked with an asterisk
(*)
General Dynamics R2670 Frequency/deviation meter and
signal generator for wide-range
troubleshooting and alignment
Digital RMS
Multimeter *
100 µV to 300 V
5 Hz to 1 MHz
10 Mega Ohm Impedance
Fluke 179 or equivalent
(www.fluke.com)
AC/DC voltage and current
measurements. Audio voltage
measurements
RF Signal
Generator *
100 MHz to 1 GHz
-130 dBm to +10 dBm
FM Modulation 0 kHz to 10 kHz
Audio Frequency 100 Hz to
10 kHz
Agilent N5181A
(www.agilent.com),
Ramsey RSG1000B
(www.ramseyelectronics.com,
or equivalent
Receiver measurements
Oscilloscope * 2 Channel
50 MHz Bandwidth
5 mV/div to 20 V/div
Leader LS8050
(www.leaderusa.com),
Tektronix TDS1001b
(www.tektronix.com),
or equivalent
Waveform measurements
RF Millivolt
Meter
100 mV to 3 V RF
10 kHz to 1 GHz
Boonton 9240
(www.boonton.com) or
equivalent
Waveform measurements
Power Supply 0 V to 32 V
0 A to 20 A
B&K Precision 1790
(www.bkprecision.com)
or equivalent
Voltage supply
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