Icom IC-M803 Service Manual page 13

3. REMOVING THE CONNECT UNIT
1) Remove the 6 screws from the bottom cover, and then
remove the bottom cover from the chassis.
Screws × 6
Chassis
2) Remove the 4 screws from the D-sub plate, and then
remove the CONNECT UNIT from the chassis.
D-sub plate
CONNECT UNIT
Screws × 4
Bottom cover
Chassis
3-3
4. REMOVING THE DC-DC UNIT
Remove the 5 screws from the DC-DC UNIT, and then
remove the DC-DC UNIT from the chassis.
Screws × 5
5. REMOVING THE FILTER UNIT
Remove the 8 screws from the FILTER UNIT, and then
separate the FILTER UNIT from the chassis as shown in
the illustration below.
Disconnect the coaxial cable from the FILTER UNIT, and
then remove the FILTER UNIT from the chassis.
Screws × 8
Coaxial cable
J7311 J7311
Coaxial cable
FILTER UNIT
DC-DC UNIT
Chassis
FILTER UNIT
Chassis