Table of Contents
Advertisement
Handset Unit
Transmitter Section
Connection
Power
Meter
Frequency
Counter
Deviation
Meter
Preset
Place the Handset in VCO/TX FREQ. ADJ mode in accordance with the procedure on page 4.
Alignment Procedure
Step
Adjustment
VR502
1
(TX Power)
CT501
2
(TX Frequency)
VR601
3
(TX Modulation)
Alignment Point Location on Handset Main PCB and Handset RF PCB
Handset Main PCB
MIC + Pin
MC601
RF
HANDSET RF PCB
Test Point
RF
Test Point
RF
Test Point
Connect the RF power Meter to the RF test point on the handset RF PCB.
Adjust VR502 for a −7 dBm reading on the Power Meter.
Connect the Frequency Counter to the RF test point on the handset RF
PCB. Adjust CT 501 to make sure that the frequency is 903.085147 MHz.
Press the "2" key to enter the TEST Mode 2. Connect the AF Generator to
the MIC Connector. Make sure that the output is 1 kHz 10.5 mV from the AF
Generator.
Connect the Deviation Meter to the RF test point on the handset RF PCB.
Adjust VR601 to indicate ± 8kHz Dev.
RF PCB
VR601
HANDSET MAIN PCB
Battery
1kHz 10.5mV
MIC + Pin
Terminals
DC 3.8V
Remarks
CT501
AF GEN.
DC Power Supply
RF TEST POINT
J501
VR502
Advertisement
Table of Contents
