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President George CB-Radio


ALIGNMENT PROCEDURE


PLL CARIER OSCILLATOR PORTION


Test equipment required:
Power Supply: 13,2 VDC Volt MeterOscilloscopeFrequency Counter

Preparation alignment:
ClarifierCenter
RF PowerClockwise
VR205 and VR206Center
RemovePB 201

StepConditionAdjustmentProcedure
1RX AM
27.405 MHz
L405Connect the DC Voltmeter to TP2
Adjust for 2.5 +/- 0.1 V
2RX AM
26.965 MHz
Same as Step 1
More than 2.0 V
3TX AM
27.205 MHz
L401Connect oscilloscope to TP1
Adjust for 37.900 MHz +/- 20 Hz
4RX AM
27.205 MHz
CheckSame as Step 3
37.900 MHz +/- 20 Hz
5TX FM
27.205 MHz
CheckSame as Step 3
37.900 MHz +/- 20 Hz Reading
6RX FM
27.205 MHz
CheckSame as Step 3
37.900 MHz +/- 20 Hz Reading
7TX USB
27.205 MHz
VR211Connect oscilloscope to TP1
Adjust for 37.9025 MHz +/- 20 Hz
8RX USB
27.205 MHz
CheckSame as Step 3
37.9025 MHz +/- 20 Hz
9TX LSB
27.205 MHz
L402Connect oscilloscope to TP1
Adjust for 37.8975 MHz +/- 20 Hz
10RX LSB
27.205 MHz
CheckSame as Step 3
37.8975 MHz +/- 20 Hz
11TX AM
27.205 MHz
L406Connect oscilloscope to TP 3
Adjust for10.695 MHz +/- 20 Hz
12TX FM
27.205 MHz
CheckSame as Step 11
10.695 MHz +/- 20 Hz Reading
13TX USB
27.205 MHz
L408Connect oscilloscope to TP 3
Adjust for10.6975 MHz +/- 20 Hz
14RX USB
27.205 MHz
CheckSame as Step 13
10.6975 MHz +/- 20 Hz Reading
15TX LSB
27.205 MHz
L402Connect oscilloscope to TP 3
Adjust for10.6925 MHz +/- 20 Hz
16RX LSB
27.205 MHz
CheckSame as Step 15
10.6925 MHz +/- 20 Hz Reading
17RX FM
28.755 MHz
CheckSame as Step 1
Less than 4.2 V
18RX USB
26.065 MHz
CheckSame as Step 1
More than 1.2 V


Oscillator-frequency at 27.205MHz

VFO OSC- TP1AdjustX-tal OSC - TP3AdjustMod.
37.9000MHzL40110.6950MHzRX - AM
37.9000MHz10.6950MHzRX - FM
37.9025MHz10.6975MHzL408RX - USB
37.8975MHzL40210.6925MHzL407RX - LSB
37.9000MHz10.6950MHzL406TX - AM
37.9000MHz10.6950MHzTX - FM
37.9025MHzVR21110.6975MHzTX - USB
37.8975MHz10.6925MHzTX - LSB