Yaesu FT-51R, Technical Supplement, Page: 10 / 83

Transceiver Disassembly and PCB
0
Next angle the CNTL Unit upward and outward
away from the MAIN Unit.
MAIN UNIT
Figure
5.
Contact Unit Removal
0 Use a small flat screw driver and slowly pry the
two mating connectors and CONTACT Unit PCB
free from the 144 and 430 Mother Unit boards, as
shown below (Figure 6). Alternately pry between
the two points to separate the unit. Warning! Use
extreme caution during this step, as delicate sur­
face-mounted components are located around the
pry-points.
Figure
6.
2-2
144-Mother Unit Removal
D
Referring to Figure 7, remove the five (5) screws
from the 144 Mother Unit, then carefully lift the
copper shield plate to expose the 144-Mother Unit
assembly.
Figure
7.
D Lift the 144-Mother Unit up to free it from inter­
board connector
J 1 00 1 .
430 Mother Unit Removal
D With the 144-Mother Unit removed, lift the shield
plate to expose the 430-Mother Unit, as shown
below (Figure 8).
Figure 8.
D Remove the single screw at the upper-left corner of
the 430-Mother Unit to remove the BNC antenna
jack (see Figure 9 on top of next page).
FT-51R Technical Suoolement