Replacing The Main Control Board - GRAPHTEC gl200 Service Manual

3.4 Replacing the Main Control Board

Disassembly
(1) Remove the side pads from the main unit (See Section 3.2).
(2) Disassemble the top cover assembly and the bottom case assembly (See Section 3.3).
(3) Disconnect the LCD fl exible cable from the main control board.
(4) Remove the two M2L8 self-tapping screws holding the main control board from the top cover assembly.
(5) Disconnect the connector between the main control board and the control panel board and then remove
the top cover assembly.
Top cover assembly
Control panel board
How to release the narrow LCD fl exible cable from the connector
Lift up the black part of the connector using the small fl at-head screwdriver.
Re-assembly
(1) Re-assemble the main board in the reverse order in which it was disassembled.
(2) Perform the Setup operations for the GL200/A when you replace the main control board.
GL200-UM-251-9370
M2L8 self-tapping screw
Lift up this part
3. DISASSEMBLY AND REASSEMBLY
Main control board
3-3
LCD flexible cable