Service manual

A. Recommended Test Equipment

The list of equipment contained in Table 2 includes

all of the standard test equipment required for servic-

ing 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; howev-

er, when no information is provided in this column, the

specific Motorola model listed is either a unique item

or no substitution is recommended.

SECTION III. RECOMMENDED TEST EQUIPMENT,

SERVICE AIDS, AND TOOLS

Table 2. Recommended Test Equipment

Motorola

Model Number Description Characteristics Application

R2600 System Analyzer This monitor will substitute Frequency/deviation meter and signal

for items with an asterisk (*). generator for wide-range

troubleshooting and alignment

R1049A* Digital Multimeter Recommended for ac/dc voltage

and current measurements

R1150C* Code Synthesizer Injection of audio and digital

signalling codes

S1053D* AC Voltmeter 1mV to 300V, 10-Megohm

SKN6008A* Power Cable for Meter input impedance Audio voltage measurements

SKN6001A* Test Leads for Meter

R1094A Dual-Trace 20MHz bandwidth Waveform measurements

Oscilloscope 5mV to 5V/division

S1350C* Wattmeter 50-ohm, ±5% accuracy Transmitter power output

ST1213B (VHF)* Plug-In Element 10 watts, maximum measurements

ST1223B (UHF)* RF Dummy Load 0-1000MHz, 300W

R1065 Load Resistor 10-watt Broadband For use with wattmeter

S1339A RF Millivolt Meter 100µV to 3V RF RF-level measurements

10kHz to 1.2GHz

R1013A* SINAD Meter Receiver sensitivity

measurements

S1347D or DC Power Supply 0-20Vdc, 0-5 Amps Bench supply for 7.5Vdc

S1348D (programmable) current limited

* Any of the R2600 series system analyzers will substitute for items with an asterisk (*).