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Servicing the CCU

Disassembly and board schematics for XTx00 control and communications units

Disassembling the CCU

Exploded view of the XT control and communications unit
Exploded view of the CCU.
Click to enlarge
  1. Remove the thumbscrews.
  2. Remove the six black Phillips head screws holding the cover, and remove the cover.
  3. Remove the final 2 stainless steel Phillips head screws to disassemble completely.

Boards

All three boards are common to every XT model.

XT power supply board
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Power supply board

Schematic_XTPSBx00.pdf

XT RF board
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RF board

Schematic_XTRFBx00.pdf

XT electrometer board
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Electrometer board

Schematic_XTELBx00.pdf