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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
1 kHz ±8kHz
2
deviation
SG: -6.0dBµV
3
No modulation
(SQ Point)
Alignment Point Location on Base Main 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
L15
PCB. Make sure that the frequency is 902.952467 MHz.
Connect the DC Voltmeter to the AF test point. Adjust L15 to indicate
Voltage)
DC 2.00 V.
RT4
Connect the AC Voltmeter across a 600-ohm dummy to the Telephone Line
(RX AF
Jack. Adjust RT4 for a -11dBm reading on the AC voltmeter.
Voltage)
Press the "SKIP / FF" key to enter the TEST Mode 12.
RT3
Make sure that the frequency of RF SG output is 902.952467 MHz.
Adjust RT3 to turn to the point where the LED indication is just vibrated.
Base Main PCB
RT4
L15
AF Test Point
Dummy Load
(600-ohm)
J1
TEL Line
-
Jack
+
DC Voltmeter
AF
Test Point
Remarks
RT3
RF Test Point
— 5 —
AC Voltmeter
J1
TEL LINE Jack
J2
DC IN 9V Jack
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