Motorola MC Micro Aligment

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1. ALIGMENT

Note: Key the radio while making adjustments or measurments.

1.1 GENERAL

Perform all adjustments at a supply voltage 13.2 ~0.1 volts dc, unless the instruction call for a

different voltage.

Interpret instruction to turn controls clockwise (CW) or counterclockwise (CCW) to mean »as viewed

from the component side of the circuit board«.

Picture A and B show the locations of the components.

When you perform any of the tune-up procedures given in sections 1.2, 1.3, 1.4 and 1.5, the radio

must be completly assembled except for the chassis cover, top cover of the synthesizer compartment,

and the radio sleeve. When you have completed the tune-up, install the synthesizer cover, chassis

cover and sleeve before testing the radio against specifications following the procedures given in

sections 1.4, 1.5, 1.6 and 1.8 .

The following test equipement is recommended for aligning and servicing the MC micro radio:

R2001D

Communication System Analyzer

R2200B

GTF180A

GTF244A

Adapter cable for MC micro

PFT4053A

Psophometric filter

FTP3005B

Select 5 test unit (not rquired with R2001D)

R1001B

Power supply

S1347D

Power supply (for radios with 10 watts or less power)

R1037

Digital multimeter

R1024B

Digital multimeter

1.2 TO ADJUST THE TRANSMITER

(1) Preset the following pots:

* HI PWR

* LO PWR

* VOLT LIMIT

(2) Adjust the radios dc supply voltage to 13.2 ~0.1 VDC (12.6 VDC for MAU1, six-watt model).

(3) Select the channel with highest transmit frequency.

Motorola M110/MC micro aligment (VHF)

Service Monitor

Mobile test set with

R453

R455

R463

Fully CCW

Fully CW