• CR-293 HIGH STABILITY CRYSTAL UNIT
qRemove the bottom cover as shown in the diagram on p.
•Remove the
the PLL shield cover.
PLL shield cover
eDisconnect the FFC (Flexible Flat Cable) from the DIS- PLAY unit and the connection cable connectors from J501 and J1051 on the MAIN unit.
rRemove 5 screws from the PLL unit, then lift up the PLL unit.
tUnsolder 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).
yInstall the
uReturn the PLL unit, PLL shield cover and bottom cover to their original positions.
Original crystal soldering point
Unsolder the original crystal.
Original crystal
J501
J1051
Flexible flat cable
3 - 4