Replacing The Lcd Unit - Casio EX-843 Service Manual

B. Replacing the LCD Unit
When the CASE ASSY/FRONT is replaced with a spare part one.
• Carry out the touch panel calibration.
Refer to: Diagnostic operation
Model with no Dallas key
B-1. Remove the REAR CASE.
Reference Procedure: A-1 to A-3
B-2. Removal of the CHASSIS/LCD
(1) Peel off tape (3 pcs.).
(2) Unlock the connector lock and disconnect the FPC.
(3) Disconnect three connectors.
(4) Undo fi ve screws.
(5) Remove the CHASSIS/LCD block.
(1) Tape ( 15
NOTE: Peel off the tape without giving a load to
the FPC.
(3) Connector
(2) FPC
Supplementary explanation
1-4. Touch panel calibration
30)
(1) Tape ( 15
50)
(4) Screw (S4) 5
NOTE: There is a connector under the tape. Peel
off the tape without giving a load to the
connector.
Note on reassembling
When attaching the ground wire, make sure that the
wire does not protrude from the CHASSIS/LCD.
(5)
– 41 –
V-R200 / VER.1
(1) Tape ( 15
50)
(3) Connectors
Ground wire
CHASSIS/LCD block