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Receiver Section
Connection
RF SG
Preset
Place the Base unit in VCO/TX FREQ. ADJ mode in accordance with the procedure on page 3.
Alignment Procedure
Step
Preset to
SG: 1mV
1
No modulation
SG: 1 mV
1 kHz ±8kHz
2
deviation
SG: −6.5 dBµV
3
No modulation
Alignment Point Location on Handset Main PCB and Handset RF PCB
AF TEST POINT
BASE RF PCB
-
RF
+
Test Point
DC 9V
AC 120V
AC Adapter
60Hz
Adjustment
Press the "PAGE" key for 3 times to enter the TEST Mode 4. Connect the
L212
RF Signal Generator to the RF test point on the Base RF PCB. Make sure
(Discriminator
that the frequency is 902.984676 MHz.
Voltage)
Connect the DC Voltmeter to the J1 AF test point. Adjust L212 to indicate
DC 0.85 V.
Connect the RF Signal Generator to the RF test point on the Base RF
RT1
PCB. Make sure that the frequency is 902.984676 MHz.
(RX AF
Connect the AC Voltmeter across a 600-ohm dummy to the Telephone
Voltage)
Line Jack. Adjust RT1 for a 195 mV reading on the AC voltmeter.
Press the "PAGE" key to enter the TEST Mode 5. Make sure that the
VR201
frequency of RF SG output is 902.984676 MHz. Adjust VR201 to turn to
(SQ Point)
the point where the CHG LED just turns on.
Base Main PCB
RT1
BASE MAIN PCB
Dummy Load
(600-ohm)
J3
J2
-
TEL Line
DC IN
Jack
+
9V Jack
J1
AF Terminal
Base RF PCB
J202
VR201
L212
AC Voltmeter
DC Voltmeter
Remarks
J3
TEL LINE Jack
J2
DC IN 9V Jack
T
J201
P
RF TEST POINT
S2
T/P Switch
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