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5–52 Maintenance and Service Guide
Removal and Replacement Procedures
8. Disconnect the USB/audio board cable 1 from the
USB/audio board.
9. Remove the four PM2.5×5.0 screws 2 that secure the system
board and USB/audio board to the top cover.
10. Remove the USB/audio board 3 from the top cover.
✎
The USB/audio board is available using spare part numbers
417027-001 (for use with full-featured models) and
417028-001 (for use with defeatured models). The USB/audio
board cable cable is included with the USB/audio board and is
also available in the Cable Kit, spare part number 407775-001.
Removing the USB/Audio Board