Operation Manual

2. MAIN UNIT REPLACEMENT
EO18-11004A
2.8 Replacing the Keyboard Unit
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2.8 Replacing the FIU PC Board
1) Remove the Top Cover Ass’y. (Refer to Section 2.1 Removing the Top Cover Ass’y.)
2) Remove the two cables of the RIU Unit from CN2 and CN3 on the FIU PC Board. And then
remove the two TP-3x8 screws from the FIU PC Board to remove the FIU PC Board.
3) Replace the FIU PC Board with the new one, and then reassemble in the reverse order of
removal.
4) Make Display Test in Diagnostic Test to check the performance. (See Section 4.2 Display Test.)
2.9 Replacing the Keyboard Unit
1) Remove the Top Cover Ass’y. (Refer to Section 2.1 Removing the Top Cover Ass’y.)
2) Remove the twelve TP-3x8 screws to remove the Keyboard Unit from the Top Cover.
3) Replace the Keyboard Unit with the new one, and then reassemble in the reverse order of
removal.
4) Make Keyboard Test in Diagnostic Test to check the performance.
(See Section 4.5 Keyboard Test.)
CN2
CN3
FIU PC Board
TP-3x8
Keyboard Unit
TP-3x8
Top Cover