Motorola MTR2000 Instruction / Field Service Manual page 13

MAINTENANCE AND TROUBLESHOOTING
ROUTINE MAINTENANCE
Figure 1.
TROUBLESHOOTING
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
STATION MODULES
RECEIVER CIRCUITRY
RECEIVER MODULE,
Models CLN1215 (806 to 825 MHz) and CLF1270 (896 to 915 MHz)
Figure 1.
Figure 2.
TRANSMITTER CIRCUITRY
EXCITER MODULE,
Models CLN1235 (851 to 870 MHz) and CLF1280 (935 to 941MHz)
Figure 1.
Figure 2.
75 W POWER AMPLIFIER MODULE,
Models CLN1232 (851 to 870 MHz) and CLF1260 (935 to 941MHz)
Figure 1.
Figure 2.
68P81096E90-F
08/06/07
Front Panel Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Procedure 1 – Routine Site Visit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Procedure 2 – Station Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Front Panel Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
SCM Service Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Service Mic Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Test Equipment Setup for Verifying Transmitter Circuitry . . . . . . . . . . . . . . . . . . . . . 14
Test Equipment Setup for Verifying Receiver Circuit . . . . . . . . . . . . . . . . . . . . . . . . . 18
800/900 MHz Receiver Module Inputs/Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
800/900 MHz Receiver Module Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . 7
800/900 MHz Exciter Module Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
800/900 MHz Exciter Module Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . 5
800/900 MHz 75 W Power Amplifier Module Input/Output . . . . . . . . . . . . . . . . . . . . 2
800/900 MHz 75 W Power Amplifier Module Functional
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Table of Contents
68P81096E39
68P81094E61
68P81094E62
68P81094E63
68P81094E64
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