Toshiba FT-8509 Service Manual page 9

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Handset Unit
Transmitter Section
Connection
Preset
Place the Handset in VCO/TX FREQ. ADJ mode in accordance with the procedure on page 4.
Alignment Procedure
step
Adjustment
RT501
1
(TX Power)
CT401
2
(TX Frequency)
RT403
3
(TX Modulation)
Alignment Point Location on Handset Main PCB and Handset RF PCB
Handset PCB
RF
Power
Test Point
Meter
RF
Test Point
Frequency
Counter
Deviation
Meter
Connect the RF Power Meter to the RF test point on the Handset MAI
PCB. Adjust RT501 for a -7.5dBm reading on the Power Meter.
Connect the Frequency Counter to the RF test point on the handset MAIN
PCB. Adjust CT401 to make sure that the frequency is 903.052467 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 1kHz 9mV from the AF
Generator.
Connect the Deviation Meter to the RF test point on the handset MAIN
PCB. Adjust RT403 to indicate ±8 kHz Dev.
HANDSET Unit
J401
Batter
1kHz 9mV
Terminals
MIC+Pin
DC 3.8V
Remarks
7
AF GEN.
DC Power Supply
RF TEST POINT

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