Icom IC-F6021 Service Manual page 10

SECTION 4
Install optional UT-108R as follows;
1) Turn the transceiver power OFF, then disconnect the DC
power cable.
2) Unscrew 4 screws, then remove the bottom cover.
3) Install the unit as shown below.
4) Recover the bottom cover, screws and DC power cable.
Install optional UT-109R or UT-110R as follows;
1) Turn the transceiver power OFF, then disconnect the DC
power cable.
2) Unscrew 4 screws, then remove the bottom cover.
3) Cut the pattern on the PCB at "MIC" and "DISC" as
showon below.
4) Install the unit as shown below.
5) Recover the bottom cover, screws and DC power cable.
DISC
NOTE: When attaching the unit
Be sure that the unit is inserted correctly.
OPTIONAL UNIT
OK
NOTE: Be sure to recover the patterns when you remove the optional product. Otherwise no TX modulation or AF output is available.
Solder
remover
OPTIONAL PRODUCTS INSTALLATION
MIC
OPTIONAL UNIT
NG
Install optional OPC-1939 as follows;
1) Turn the transceiver power OFF, then disconnect the DC
power cable.
2) Unscrew 4 screws, then remove the bottom cover.
3) Install the cable as shown below.
OPC-1939
4) Cut or short the patterns as below. (For AF output)
5) Short the pattern as below. (For modulation input)
6) Recover the bottom cover, screws and DC power cable.
4 - 1
Cut off the bushing as in the illustration,
when you install the optional OPC-1939.
K
I
D