3
ALIGNMENT PROCEDURE
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
Alignment Point Location on Base Main PCB and Base RF PCB
Power
Meter
RF
Test Point
J3
DC IN
9V Jack
AC 120V
60Hz
BASE Unit
AC
Adapter
step
1
Adjustment
VR202
(TX Power)
Remarks
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.
VR202
Base RF PCB
S2
T/P Switch
P
T
RF Test Point
J3
DC IN 9V Jack
J1
TEL LINE Jack
Base Main PCB
Remove solder
Содержание FD-4809
Страница 1: ...CORDLESS TELEPHONE PUBLISHED IN JAPAN Nov 1999 SERVICE MANUAL FILE NO 2B0 9909 FD 4809 ...
Страница 8: ...7 BLOCK DIAGRAMS Base Unit ...
Страница 9: ...8 Handset ...
Страница 10: ...9 10 SCHEMATIC DIAGRAMS Base Unit ...
Страница 11: ...11 12 Handset ...
Страница 25: ...26 ELECTRICAL PARTS LOCATION Base Unit Main PCB ...
Страница 26: ...27 Handset Main PCB ...
Страница 27: ...28 WIRING DIAGRAMS Base Unit ...
Страница 28: ...29 Handset ...
Страница 31: ...32 Handset 7 8 4 15 1 16 17 18 17 5 10 22 11 21 12 20 2 9 6 19 13 14 3 17 RF MODULE HANDSET MAIN PCB ASSY 23 ...
Страница 47: ......