Chapter 4 Test Equipment, Service Aids, and Tools
4.1 Recommended Test Equipment
The list of equipment contained in Table 4-1 includes most of the standard test equipment required
for servicing Motorola mobile radios, as well as several unique items designed specifically for
servicing this family of radios. The Characteristics column is included so that equivalent equipment
can 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 Motorola Test Equipment
Motorola
Model Number
Description Characteristics Application
R-1013_* or
R-1370_*
SINAD Meter
SINAD Meter with RMS
Voltmeter
w/o RMS audio voltmeter
w/RMS audio voltmeter
Receiver sensitivity
measurements
R-1074_* Fluke 87 Digital
Multimeter
True RMS metering, 200kHz
frequency counter, 32-segment
bar graph with backlit display
Recommended for ac/dc voltage
and current measurements
R-1151_* Code Synthesizer 2,
Expanded
Injection of audio and digital
signaling codes
R-1377_* AC Voltmeter 1mV to 300V, 10-Megohm input
impedance
Audio voltage measurements
R-1439_ or
R-1440_
(See
Table 4-2 for
plug-in elements)
BIRD Wattmeter
BIRD Wattmeter
Power range: 100 mW to 100W,
2MHz to 1GHz,
UHF-F connector
Power range: 100 mW to 100W,
2MHz to 1GHz,
N-female connector
Transmitter power
measurements
R-1611_ Dual-Channel 100Mhz
Oscilloscope (Agilent)
Two-channel, 100MHz
bandwidth, 200 M sample rate/
sec., 2MB memory/channel
Waveform measurements
R-2600 Series System Analyzer This item will substitute for items
with an asterisk (*).
Frequency/deviation meter and
signal generator for wide-range
troubleshooting and alignment
S-1339_ RF Millivolt Meter 100µV to 3V RF
10 kHz to 1GHz
RF-level measurements
S-1348_ DC Power Supply,
Programmable
0-20 Vdc, 0-5 Amps current
limited
Bench supply for 7.5 Vdc
SLN-6435 Audio Isolation
Transformer
Audio measurements (audio PA
must NOT be grounded)
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