Alignment Procedure; Base Unit - Toshiba FD-4809 Service Manual

Base Unit

Transmitter Section
Connections
Preset
a) Remove the solder on the pattern (refer to the illust. below).
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 seconds.
d) Release the "PAGE" key when entering TEST mode 1 with IN USE/CHARGE LED lighting.

Alignment Procedure

step Adjustment
VR202
1
(TX Power)
Alignment Point Location on Base Main PCB and Base RF PCB
Base Main PCB
ALIGNMENT PROCEDURE
RF
Test Point
Power
Meter
Connect the Power Meter to the RF test point on the Base MAIN PCB.
Adjust VR202 for a -4.0dBm reading on the Power Meter.
BASE Unit
J3
DC IN
9V Jack
Remarks
Base RF PCB
VR202
RF Test Point
3
AC
AC 120V
Adapter
60Hz
J1
TEL LINE Jack
J3
DC IN 9V Jack
T
S2
T/P Switch
P
Remove solder