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Handset Unit
Transmitter Section
Connection
Preset
a) Remove the solder on the pattern (refer to the illust. below).
b) Connect DC power supply to battery connector on the handset unit.
c) Turn the DC power supply On while pressing "
approximate 2 seconds.
d) Release keys when entering TEST mode 1 with beep.
Alignment Procedure
step
Adjustment
VR502
1
(TX Power)
Alignment Point Location on Handset Main PCB and Handset RF PCB
Handset PCB
RF
Power
Test Point
Meter
" and " # " keys, and keep pressing the keys continuously for
Connect the RF power Meter to the RF test point on the handset MAIN PCB.
Adjust VR502 for a -4.0dBm reading on the Power Meter.
HANDSET Unit
J603
Battery
Connector
DC 3.8V
Remarks
RF PCB
VR502
5
DC Power Supply
RF Test Point
Remove solder
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