3
ALIGNMENT PROCEDURE
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
Alignment Point Location on Base Main PCB and Base RF PCB
S2
T/P Switch
RT3
RT301
P
T
RF Test Point
step
1
2
3
Adjustment
RT301
(TX Power)
CT1
(TX Frequency)
RT3
(TX Modulation)
Remarks
Connect the Power Meter to the RF test point on the Base MAIN PCB.
Adjust RT301 for a -5.5dBm 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 -20dBm 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.
CT1
Base RF PCB
J2
DC IN 9V Jack
J1
TEL LINE Jack
Base Main PCB
Power
Meter
RF
Test Point
BASE Unit
J2
DC IN
9V Jack
1kHz -20dBm
AF GEN.
AC 120V
60Hz
Frequency
Counter
Deviation
Mater
RF
Test Point
J1
TEL Line
Jack
AC
Adapter
Summary of Contents for FT-8809
Page 1: ...CORDLESS TELEPHONE PUBLISHED IN JAPAN Aug 1999 SERVICE MANUAL FILE NO 2B0 9902 FT 8809 ...
Page 8: ...7 BLOCK DIAGRAMS Base Unit ...
Page 9: ...8 Handset ...
Page 10: ...9 10 SCHEMATIC DIAGRAMS Base Unit ...
Page 11: ...11 12 Handset ...
Page 26: ...27 ELECTRICAL PARTS LOCATION Base Unit Main PCB ...
Page 27: ...28 Handset Main PCB ...
Page 28: ...29 WIRING DIAGRAMS Base Unit ...
Page 29: ...30 Handset ...
Page 48: ......