STEP EXCITE: Service & maintenance manual - rev. 1.4
Page 7.13
7.2.3. 500I AND 500I SP VERSION
Figure 7.2-24
Carry out the procedure described in paragraph
7.1. “Disassembling the display”.
Then place the display on a work bench. It is
now possible to disassemble its three circuit
boards:
• The 386 board a;
• The display board b;
• The CSafe board c.
Figure 7.2-25
386 board a:
1. Release the fixing tabs The circuit board will
lift up slightly.
2. Remove it from the connector on the display
board.
display board b:
1. Unplug the keyboard connector indicated in
the figure.
2. Back off the 5 screws d using a medium
Phillips screwdriver.
3. Remove the circuit board.
Figure 7.2-26
CSafe board c:
1. Unplug the connector indicated in the figure.
2. Remove the circuit board from the top.
To reassemble the electronics boards, carry out
the above steps in reverse order.
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