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Handset Unit
Connections
RF SG
DC Power Supply
Preset
a) Connect DC power supply to battery connector on the handset unit.
b) Turn the DC power supply ON while pressing " " and "#" keys, and keep pressing the keys continuously for
approximate 2 seconds.
c) Release keys when entering TEST mode 1 with TALK LED lighting and beep.
Alignment Procedure
Step
Preset to
SG: 1 mV
1
No modulation
SG: 1 mV
1 kHz ±20 kHz
2
Deviation
SG: −1.0 dBµV
1 kHz ±20 kHz
3
Deviation
Alignment Point Location on Handset Main PCB and Handset RF PCB
HANDSET Unit
−
RF
Connector
Test Point
+
J601
Battery Connector
DC 3.8V
Adjustment
Press the "4" key to enter the TEST Mode 4. Connect the RF Signal
CT602
Generator to the RF test point on the handset MAIN PCB. Make sure
(Discriminator
that the frequency is 926.207269 MHz.
Voltage)
Connect the DC Voltmeter to the AF test point. Adjust CT602 to
indicate DC 1.40 V.
Connect the RF Signal Generator to the RF test point on the handset
MAIN PCB. Make sure that the frequency is 926.207269 MHz.
RT602
Connect the AC Voltmeter across a 150-ohm dummy to the SP
(RX AF
Connector. Adjust RT602 for a 35.5 mV reading on the AC
Output)
Voltmeter.
Press the "5" key to enter the TEST Mode 5. Make sure that the
RT601
frequency of RF SG output is 926.207269 MHz. Adjust RT601 to
(SQ Point)
turn to the point where Ringer rings.
AF
TEST POINT
CT602
RT602
RT601
Dummy Load
(150-ohm)
SP
−
+
DC Voltmeter
AF Terminal
Remarks
RF PCB
— 6 —
AC Voltmeter
RF
TEST POINT
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