Yaesu FT-840 Service Manual page 9

Front Panel Access
D Lay the transceiver on the work surface
with the forward end of the case extending
slightly over the edge of the surface (photo
7).
Photo
D With the top and bottom covers removed,
loosen
the 2 forward screws, and remove
the remaining 2 rear screws on the front
panel assembly, as shown in photo 8.
Photo
D Note the track cut-out (guide) for the two
remaining (loosened) screws. Slide the
front panel assembly forward slightly in
the guide, then fold it gently down, to ex­
pose the rear of the front panel assembly
wiring and components (photo 9).
FT-840 Technical Supplement
7
8
Pilot Light Replacement
D To replace the pilot lamp, gently pull the
bulb from its silicone rubber mount as
shown in photo 10. Trace the lamp leads to
clamp connector J 1 031, located on the for­
ward edge of the Main Unit PCB.
Photo 10
D Using your thumb and forefinger, grasp
the outer ridges of the connector, and lift
up the locking clamp. The pilot lamp leads
can now be removed from the connector.
Connector J1031
D To insert the new lamp, simply install the
leads into J 1 031, press the locking clamp
shut, and insert the bulb gently into the
mounting insert as before.
J1031