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Polaroid ID3000 Service Manual
Parts Replacement
5-15
Replacing Computer Circuit Boards
Follow the steps below to replace any of the following computer circuit boards:
Support board with Signature Scanner board
(if Signature Scanner is used)
DSP Data Compression board
AST I/O Mini board
DigiBoard DigiChannel PC/4 (optional)
Illuminator board (see procedure on page 5-20)
VGA board
FD 885 or 885M SCSI Controller board
HP CPU board
Network interface board (optional)
CAUTION:
Be sure to use a ground strap. The CMOS integrated circuits on the boards
are easily damaged by small, unnoticeable static electricity discharges. If a
strap is not available, frequently ground yourself to the computer chassis by
momentarily grasping the grounding prong of the computer’s AC power
plug.
1.
Assure that the computer power switch is OFF and the computer AC power cord is not
plugged in.
2.
Remove the computer cover (Figure 5-15).
Figure 5-15 Computer cover removal
3.
Locate the board to be replaced (Figure 5-16), disconnect any cables connected to the
board, and remove the board’s retaining screw.
4.
Handle the board only by the edges (do not touch board components or edge connectors).
Gently loosen the board and lift it straight out of its connector and board guide.
Summary of Contents for ID-3000
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