Option Installation - Icom IC-R71A Instruction Manual

SECTION 8 OPTION INSTALLATION
8-1 INSTALLATION OF THE FM UNIT
Before performing any work on this receiver, make sure
that the power cord is detached from the set. :
1. Remove the top cover.
2. Install the FM unit to the position shown in the photo
with the two screws supplied.
3. Plug the 2-pin plug from the front panel to J1 of this unit,
P2 (6 pins) of this unit to J7 on the MAIN unit and P1
(2 pins coaxial cable) of this unit to J8 on the MAIN unit.
4. This completes the installation.
5. Replace the top cover.
6. No adjustment is required.
Install the unit with
the screws at "\"
8-2 INSTALLATION OF THE FL-32 OR
FL-63 NARROW CW FILTER
Before performing any work on this receiver, make sure
that the power cord is detached from the set.
1. Remove the top cover.
2. Remove the filter clamping plate.
3. Plug in the FL-32 or FL-63 narrow CW filter to the posi-
tion where indicated on the MAIN unit board. At this
time, be sure to orient the filter so that the label of the
filter is facing the same direction as the others.
4. Replace the filter clamping plate.
5. Replace the top cover.
6. No adjustment is required, and the filter provides 500Hz
or 250Hz at —6dB pass-band.
Filter clamping
plate
Insert FL-32 or
FL-63 here.
Bees
8-3 INSTALLATION OF THE FL-44A
455KHz SSB FILTER
The following tools are needed for the installation of the
filter:
Philips Screwdriver
Screwdriver
Solder
De-soldering braid
Diagonal cutters
Soldering tron (40W)
Soldering tool
Before performing any work on the set, make sure that the
power cord is detached from the receiver.
1. Remove the top cover.
2. Unscrew the seven screws retaining the MAIN unit board
shown in the photo. Then turn the board over towards
the front so that the foil side of the board can be seen.
Remove FI4 and R86.
Install FL-44A here.
"= Unscrew the screws at "\"
3. Remove the solder from the F14, ceramic filter and R86,
resistor on the MAIN unit board shown in the photo,
using a de-soldering braid, then remove the F14, ceramic
filter and R86, resistor.
4. Insert the FL-44A to the position where the ceramic
filter was installed and retain it with the two supplied
nuts, Solder its terminal pins.
5. Replace the MAIN unit board and top cover.
6. No adjustment is required for operation.