k. Removal of the Front Panel Encoder Board
The front panel encoder board removal procedure refers to the views of figure 8-4
and figure 8-13.
Tools Needed:
• T10 Torx driver
• T25 Torx driver
• ½” nut driver
Procedure:
• Remove the upper cover assembly (6.2.1.a)
• Open the front bezel (6.2.1.b)
• Remove the front frame assembly (6.2.1.j)
• Disconnect the ribbon cable from Jx of the USB Hub to the encoder board.
• Remove the six 4-40 x ¼” screws which secure the front bezel to the front frame
assy.
• Remove the knobs from the encoders.
• Remove the front bezel.
• Remove nine M2.5 x.4-6mm screws which secure the encoder assembly to the
front bezel.
• Remove the front panel encoder board and elastomeric keypad from the bezel.
l. Removal of the USB Hub Board
The front panel encoder board removal procedure refers to the views of figure 8-4,
and figure 8-16.
Tools Needed:
• T10 Torx driver
• T25 Torx driver
• ½” nut driver
Procedure:
• Remove the upper cover assembly (6.2.1.a)
• Open the front bezel (6.2.1.b)
• Tilt the unit on its side.
• Disconnect the cables to the USB Hub board.
• Disconnect the eight screws (five 4-40 x ¼” and three 4-40 x 3/8” )
• Remove the USB board.
Maintenance 6-7
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