Icom IC-910H [76/86] I cr 293

Icom IC-910H [76/86] I cr 293
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OPTION INSTALLATIONS
By installing the CR-293, the total frequency stability
of the transceiver will be improved.
q Remove the bottom cover as shown in the diagram
on p. 71.
Remove the UX-910 if you have installed it. (p. 73)
w Remove the 6 screws from the PLL shield cover,
then lift up the PLL shield cover.
e Disconnect the FFC (Flexible Flat Cable) from the
DISPLAY unit and the connection cable connectors
from J501 and J1051 on the MAIN unit.
r Remove the 5 screws from the PLL unit, then lift up
the PLL unit.
t Unsolder the original reference crystal, then remove
it.
The original reference crystal unit is soldered at both top
and bottom sides of the PCB (Printed Circuit Board).
y Install the CR-293 and solder the leads.
u Return the PLL unit, PLL shield cover and bottom
cover to their original positions.
CR-293 soldering
points
Original crystal soldering point
J501
Original crystal
CR-293
J1051
Flexible flat cable
Unsolder the
original
crystal.
PLL shield
cover
CR-293
HIGH STABILITY CRYSTAL UNIT

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