Icom IC-M803 Service Manual page 12

1. REMOVING THE PA UNIT (continued)
5) Remove the 11 screws from the 3 FETs and the 4 FET
covers on the PA UNIT.
Screws × 11
FET covers
6) Remove the 2 screws from the DC power cables to
disconnect the cables from the PA unit.
7) Remove the 4 screws from the PA UNIT, and then
remove the PA UNIT from the chassis.
PA UNIT
FETs
Screws × 2
DC power cables
PA UNIT
PA UNIT
Screws × 4
Chassis
2. REMOVING THE MAIN UNIT
1) Remove the IC clip from the MAIN UNIT.
Disconnect the control cable, 2 coaxial cables, and 3 flat
cables from the MAIN UNIT.
Control cable
Flat cables
MAIN UNIT
J4201 J4201
J4051 J4051
2) Remove the 9 screws from the MAIN UNIT, and then
remove the MAIN UNIT from the chassis.
3-2
IC clip
Coaxial cables
J4421 J4421
J4181 J4181
J4701 J4701
Flat cable
J4001 J4001
Screws × 9
MAIN UNIT
Chassis