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Receiver Section
Connections
RF SG
AC 120V
60Hz
Adapter
Preset
Place the Base Unit in RX SENS mode (step 11) in accordance with the precedure on page 4.
Alignment Procedure
step
Preset to
Adjustment
SG: 1mV
1
(Discriminator
No modulation
SG: 1mV
2
1 kHz ±8kHz
deviation
SG: -113dBµ µ µ µ µ V
3
No modulation
(SQ Point)
Alignment Point Location on Base Main PCB and Base RF PCB
BASE Unit
RF
-
Test Point
+
J2
DC IN 9V Jack
AC
Connect the RF Signal Generator to the RF test point on the Base MAIN
L4
PCB. Make sure that the frequency is 902.952467 MHz.
Connect the DC Voltmeter to the AF test point. Adjust L4 to indicate DC
Voltage)
1.00 V.
RT2
Connect the AC Voltmeter across a 600-ohm dummy to the Telephone Line
(RX AF
Jack. Adjust RT2 for a -12dBm reading on the AC voltmeter.
Voltage)
Press thePress the "SKIP / FF" key to enter the TEST Mode 12.
RT1
Make sure that thefrequency of RF SG output is 902.952467 MHz.
Adjust RT1 to turn to thepoint where the LED indication is just vibrated.
Base Main PCB
RT1
RT2
L4
AF Test Point
Dummy Load
(600-ohm)
J1
TEL Line
-
Jack
+
DC Voltmeter
AF
Test Point
Remarks
RF Test Point
— 5 —
AC Voltmeter
J1
TEL LINE Jack
J2
DC IN 9V Jack
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