Icom IC-730 Maintenance Manual page 25

(4) Loosen the screws of the saft coupling sleeve of the band
switch, and remove the shaft, sliding it towards the front side,
then the sleeve and the spring pressing wafer of the band
switch.
(5) Remove the wafer of the band switch from Its shaft, taking
care not to damage the wafer.
(6) Remove the cover of the PLL unit, and unplug connectors
inserted to the unit. Then unscrew the four screws retaining
the unit, and remove the unit from the chassis.
(7) Remove the wafer and its wiring harness through the slot
under the band switch toward upper side.
(8) Run the cords with P1 and P2 of the LOA unit through the
slot under the band switch. Plug P1 (6-pln plug attached to
longer wires) to J3 and P2 (6-pin plug) to J6 of the PREMIX
unit, so that the colors of the wires are the same order.
Replace the PIL unit by the reverse procedure of (6).
(9) Replace the wafer, spring, shaft and shaft coupling sleeve
by the reverse procedure of (4) and (5).
(10) Plug P1 (6-pln plug attached to longer wires) of the
switch wafer to J1 of the LOA unit and P2 (6-pin plug) to J2.
(11) Remove the eight screws at each end of the rear panel.
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