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Base Unit
Transmitter Section
Connection
Power
Meter
Frequency
Counter
Deviation
Meter
Preset
Place the Base unit in VCO/TX FREQ. ADJ mode in accordance with the procedure on page 3.
Alignment Procedure
Step
Adjustment
VR202
1
(TX Power)
CT201
2
(TX Frequency)
RT2
3
(TX Modulation)
Alignment Point Location on Base Main PCB and Base RF PCB
RF
BASE RF PCB
Test Point
RF
Test Point
RF
Test Point
Connect the Power Meter to the RF test point on the Base RF PCB. Adjust
VR202 for a −6.5 dBm reading on the Power Meter.
Connect the Frequency Counter to the RF test point on the Base RF PCB.
Adjust CT201 to make sure that the frequency is 926.893873 MHz.
Press the "PAGE" key to enter the TEST Mode 2. Connect the AF Generator
to the TEL Line Jack on the Base Main PCB. Make sure that the output is 1
kHz 78 mV from the AF Generator.
Connect the Deviation Meter to the RF test point on the Base RF PCB.
Adjust RT2 to indicate ±8 kHz Dev.
Base Main PCB
RT2
BASE MAIN PCB
J2
DC IN
TEL Line
9V Jack
Jack
Remarks
Base RF PCB
CT201
VR202
AF GEN.
J3
1kHz 45mV
AC
AC 120V
DC 9V
Adapter
60Hz
J3
TEL LINE Jack
J2
DC IN 9V Jack
T
J201
S2
T/P Switch
P
RF TEST POINT
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