3
ALIGNMENT PROCEDURE
Base Unit
Transmitter Section
Connections
Alignment Point Location on Base Main PCB and Base RF PCB
step
1
2
Adjustment
VR202
(TX Power)
Remarks
Connect the Spectrum Analyzer to test point (J1).
Adjust VR202 so that the power instructions of the Spectrum analyzer reaches
-6.0dBm.
Then confirm the frequency is 926.295415 MHz.
Press the “PAGE” key twice and connect the FM Deviation Meter to test
point J1. Confirm the deviation is 23 ~ 46 kHz.
Base Main PCB
Test Point
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 CHARGE LED lighting.
Alignment Procedure
BASE Unit
Spectrum Analyzer
FM Deviation Meter
Test Point
(J1)
AC Adapter
(120V 60Hz)
S1
J1
Base RF PCB
Remove solder
before alignment
VR202
T
P
Summary of Contents for FD-9839
Page 2: ...CORDLESS TELEPHONE SERVICE MANUAL FILE NO 2B0 9911 FD 9839 PUBLISHED IN JAPAN Dec 1999 ...
Page 9: ...7 BLOCK DIAGRAMS Base Unit Main ...
Page 10: ...8 Base Unit Key ...
Page 11: ...9 Handset ...
Page 12: ...10 11 SCHEMATIC DIAGRAMS Base Unit Main ...
Page 13: ...12 13 Base Unit Key ...
Page 14: ...14 15 Handset ...
Page 33: ...34 ELECTRICAL PARTS LOCATION Base Unit Main PCB ...
Page 34: ...35 Base Unit Key PCB ...
Page 35: ...36 Handset Main PCB ...
Page 36: ...37 38 WIRING DIAGRAMS Base Unit ...
Page 37: ...39 Handset ...
Page 64: ......