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8.3-2
Replacement
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CAUTION
z DO NOT apply excess mechanical impact to LCD because it is constructed by glass. If broken,
take care not to be injured by the glass fragments.
z If liquid crystal is leaked from damaged LCD and your skin or cloth is contaminated with the
crystal, rinse out using soap immediately. Also oral contamination with it should be avoided.
z DO NOT scratch polarizing plate covering LCD because the plate is composed of soft material.
z Replace the module after turning off power SW under care not to be charged with static
electricity.
z DO NOT try to disassemble LCD module because it is integrated as one unit.
z After the replacement, LCD may not function correctly. If so, try to adjust contrast.
(1) Turn off power SW of machine.
(2) Remove left cover from upper part of machine.
(3) Disconnect CN1 and CN2 from LCD module.
(4) Remove 4 fixing screws or nuts to take out the module.
(5) Prepare new LCD module.
(6) Remove protective sheet from the new module surface.
(7) Attach the module under care of correct positioning of “UP” mark on the board.
(8) Connect CN1 and CN2 to LCD module.
(9) Turn on power SW of machine.
(10) Try to adjust contrast as per the procedure specified in “10.17 Adjustment of contrast”.
(11) Check correct LCD indication.
(12) Return the removed cover to the original position.