Motorola 6816101H01-A User Manual

Page 38

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3-4

Hardware Tuning Setup and Procedure

4.

Using the ceramic tool, adjust R425 to tune high power (refer to Figure 3-2).








R425

R426

R216

FL701

R215


Figure 3-2 Tuning Ports

2.3.2

Low Power

1.

Connect the radio to power meter.

2.

Set the radio to the appropriate tuning frequency (refer to Table 3-1).

3.

Key up the radio.

4.

Using the ceramic tool, adjust R426 to tune low power (refer to Figure 3-2).

2.3.3

Frequency Tuning

1.

Set the radio to the appropriate tuning frequency (refer to Table 3-1).

2.

Using the ceramic tool, adjust FL701 to tune the frequency (refer to Figure 3-2).

2.3.4

Modulation Balancing

1.

Set the radio to the appropriate tuning frequency (refer to Table 3-1).

2.

On the test equipment, set the following configurations:

Audio bandwidth: 0.25Hz to 15,000Hz.

De-emphasis: Off

FM: Peak negative

3.

Using the Audio Analyzer, inject a 0.3kHz tone to the radio through the test box.

4.

Key up the radio.

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