Yaesu FT-51R, Technical Supplement

Page: 9 / 83

Disassembly and PCB Access
CNTL Unit Removal
Turn the radio off then remove the battery and soft
case, if used.
D Use a deep-ended wrench to remove the lock nut
from the
DIAL
knob (Figure 1). Also remove the
small screw located between the
EAR
and
MIC
jack
on the top panel.
Figure 1.
D Lay the transceiver on a flat surface covered with
a soft cloth to protect the front case from marring,
and remove the eight (8) rear-panel screws (Figure
2). Be careful not to mix removed screws (some
appear similar, but have different types of thread­
ing/pitch).
Figure
2.
FT-51R Technical Suoolement
D Carefully separate the front and rear transceiver
halves, set the front half aside for now.
D Remove the three (3) screws as shown below, and
separate the CONTACT assembly from the main
unit. Be careful not to lose the battery release slide
and its small screw.
Figure 3.
D
Disconnect the flat ribbon cable from it's connector
on the CNTL Unit by using two fingertips to slide
out the cable release, then unplug the cable from
the Mother Unit (Figure 4).
CONTACT
UNIT PCB
Figure
4.
2-1