President Harry CB-Radio


ALIGNMENT PROCEDURE


CARRIER OSCILLATOR PORTION


Test equipment required:
Power Supply: 13,8 VOscilloscopeDummy Load 50 ohmFrequency Counter

Preparation alignment:
Channel:40
StepConditionAdjustmentProcedure
1MODE: TX FML702Connect Oscilloscope to TP1 and adjust for 4,5V +/- 0.1V
2MODE: RX FML701Connect Oscilloscope to TP1 and adjust for 4,5V +/- 0.1V
3MODE: RX FMCHECKConnect the Frequency Counter to Ant. jack an scheck frequency for 27.405 MHz /- 20 Hz


RECEIVER PORTION


Test equipment required:
Power Supply: 13,8 VRF Signal GeneratorAF Signal GeneratorOscilloscope
Dummy Load 8 ohm

Preparation alignment:
Channel:19
StepConditionAdjustmentProcedure
1MODE: AM
Mod: 1 kHz, 60%
SSG output: 0dB (0.5mV)
SQ: Min.
L1 L2
L3 L4
Adjust for maximum output reading on the Oscilloscope
2MODE: AM
No Mod.
SSG output: 1000uV
SQ: Min
RT1Adjust so LED 4 lights
3MODE: AM
Mod: 1 kHz, 60%
SSG output: 1000uV
SQ: Max.
RT2Adjust RT2 so that the squelch just breaks.
4MODE: FM
Mod: 1 kHz, +/- 1,5 kHz Dev.
SSG output: 1000uV
SQ: Min.
L6Connect Oscilloscope to TP1 and adjust L1 for 4.5 V +/- 0.2 V reading on the Oscilloscope


TRANSMITTER PORTION


Test equipment required:
Power Supply: 13,8 VRF Power MeterDeviation MeterOscilloscope
Audio OscillatorDummy Load 50 ohm

Preparation alignment:
Channel:19
StepConditionAdjustmentProcedure
1MODE: FM
No Mod.
L203Adjust for maximum output reading on the RF Power meter
2MODE: FM
No Mod.
RT201Adjust so LED 4 lights
3MODE: FM
Mod: 1 kHz, 30 mV
RT202Adjust for +/- 2 kHz FM-Deviation


This counter shows the number of hits since the 7th November 1999


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