Alignment Procedure - Toshiba FT-8009 Service Manual

Base Unit
Transmitter Section
Connections
Preset
a) Connect the base RF unit to the base main unit.
b) Set the "TONE / PULSE" switch to PULSE.
c) Connect the AC adapter to the base unit while pressing the "PAGE" key, and keep pressing it continuously for
approximate 2 sectonds.
d) Release the "PAGE" key when entering TEST mode 1 with IN USE LED lighting.

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
ALIGNMENT PROCEDURE
RF
Test Point
Power
Meter
RF
Test Point
Frequency
Counter
Deviation
Mater
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 "PAGE" 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 77.5 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 Unit
J2 J1
DC IN TEL Line
1kHz 77.5mV
9V Jack Jack
Remarks
Base RF PCB
RT301
CT1
RF Test Point
3
AF GEN.
AC
AC 120V
Adapter
60Hz
J1
TEL LINE Jack
J2
DC IN 9V Jack
T
S2
T/P Switch
P