Toshiba FT-8509 Service Manual page 7

Base Unit
Transmitter Section
Connections
Preset
Place the Base unit in VCO/TX FREQ. ADJ mode in accordance with the procedure on page 3.
Alignment Procedure
step Adjustment
RT301
1
(TX Power)
CT1
2
(TX Frequency)
RT3
3
(TX Modulation)
Alignment Point Location on Base Main PCB and Base RF PCB
Base Main PCB
RF
Test Point
Power
Meter
RF
Test Point
Frequency
Counter
Deviation
Meter
Connect the Power Meter to the RF test point on the Base MAIN PCB.
Adjust RT301 for a -5.0dBm reading on the Power Meter.
Connect the Frequency Counter to the RF test point on the Base MAIN
PCB. Adjust CT1 to make sure that the frequency is 926.897468 MHz.
Press the "2" key to enter the TEST Mode 2. Connect the AF Generator
to the TEL Line Jack on the Base Main PCB. Make sure that the output
is 1 kHz 77.6 mV from the AF Generator.
Connect the Deviation Meter to the RF test point on the Base MAIN PCB.
Adjust RT3 to indicate ±8 kHz Dev.
RT3
BASE RF PCB
CT1
BASE Unit
J3
J1
DC IN TEL Line
1kHz 77.6mV
Jack
9V Jack
Remarks
RT301
5
AF GEN.
AC 120V
AC
60Hz
Adapter
J3
TEL LINE Jack
J1
DC IN 9V Jack
RF TEST POINT