Disassembly - Casio LK-90TV Service Manual

1. Remove the battery cover and the batteries.
2. Remove 14 screws on the bottom of the product, and the lower plate.
Note: Fix the screws in the right order when assembling.
3. Remove 19 screws on the bottom of the product.
Note: Make sure to fix the screws with the arrow marks
LOWER PLATE
4. Remove the upper case.
5. Unsolder six connectors.
Connector (JA2)
(To M6111T-KY1M PCB)
Connector (JJ2)
(To M649-MAA2 PCB)
Connector (JK2)
(To M649-LCA1 PCB)

DISASSEMBLY

in the below figure only.
Fix a screw here first.
— 13 —
Connector (JB2)
(To M6111T-KY2M PCB)
Connector (JH2)
(To M474-LD1M PCB)
Connector (JI2)
(To M474-LD2M PCB)