Chapter 6: 39
6.2.2.2 Removal and Installation of Connector Board
Disconnect the Dual USB Host cable that may be there, the Serial Cable, and cable
to Daughter Board. Remove screws (2) at rear panel securing the amplifier brackets.
Remove nuts on Line Input and Mic Input jacks on the rear panel. The Connector
Board is now ready to be removed.
Reinstallation of Connector Board should be done in reverse order of removal.
6.2.2.3 Removal and Installation of Daughter Board
Remove Connector Board. See 6.2.2.2 for procedure.
If unit is still in the chassis, remove main power cable, and keyboard cable. Re-
move the power output cable to SBC, cable to connector board, and audio cable.
Remove screws (4) securing the Daughter Board to SBC. Carefully pull vertically to
remove from the SBC. The 2x34 pin PC104 connector may be difficult to discon-
nect. Take caution not to bend the board or damage pins on the PC104 connector.
Reinstallation of Daughter Board should be done in reverse order of Removal.
6.2.2.4 Removal and Installation of SBC Circuit Board
Remove the Connector Board. See 6.2.2.2 for procedure.
Remove the Daughter Board. See 6.2.2.3 for procedure.
Remove power cable, audio cable, parallel interface cable and Serial cable. Re-
move screws (4) securing SBC to bottom metal panel. Remove hex jacks on rear
panel RS232 and VGA ports.
SBC Circuit Board is now ready to be removed.
Reinstallation of SBC Circuit Board should be done in reverse order of Removal.
6.2.2.5 Removal and Installation of Printer Board
If Printer Board is still in chassis, disconnect printer cables (4) from Printer Board.
Remove Parallel Interface Board. Remove screws (4) securing Printer Board to bot-
tom metal panel. Printer Board is now ready to be removed.
Reinstallation of Printer Board should be done in reverse order of Removal.
6.2.3 Removal of Bezel
Disconnect the line cord and remove the wrap-around (see 6.2.1). Disconnect keyboard
cable from keyboard. Remove nut securing keyboard to ground bracket. This nut is
located at the top center of the keyboard assembly. Then remove the 6 screws holding
the printer door hinge and printer door stop. Finally, remove the 6 screws that hold the
bezel to the chassis metal front panel.
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