Yaesu FT-890 Operating Manual page 44

Insta lling Internal Accessories
hole is oriented as shown in Figure 10 (the
label should be upside-down when viewed
from the rear), and push the module leads
through the board. Hold the module snug
against the board while soldering it in place
on the other side.
0 Replace the Local Unit board in the chassis,
using care to make sure no wires are pinched.
Reconnect the cables removed from the
board, according to Figure 6 and the pin 1
wire color codes in the table below, before
replacing the six screws in the board and one
in the rear panel (Figure 7), and the two on
each side of the front panel (Figure 8). Also
replace the tape on the top of the VCO hous-
ing.
0 Again making sure no wires are pinched, re-
place the Local Unit shield cover and its four
screws (Figure 5).
Local Unit Connector Color Codes
Figure
8:
Front Panel Screws (side)
Remove
*
Loosen *
0 Replace the top cover/heatsink by routing the
light-blue-banded cable around the rear left
corner of the chassis (as viewed from the
rear), and then after making sure no wires are
pinched, replace the four screws shown in
Figure 4. The two on top have washers.
0 Turn the set over, and, unless installing other
options, reconnect the light-blue-banded ca-
ble to J2026 and replace the bottom cover (bail
towards the front) and its eight screws.
Figure 9: Local Unit Components to
Remove Figure
10:
TCXO-3 Orientation
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