Sony XR-55A80K Original Manual page 21

DISASSEMBLY AND REMOVAL CAUTION 65"
REAR COVER
1. Remove the screws from the rear cover (4 pcs)
2. Remove the bottom cover.
Washer or coin to unhook Cover Hook
*Wrap washer in VA tape (15mm X 55mm)
*Thickness approximately 1.5mm
① Put washer or coin in the slit of cover hook.
② Turn washer or coin to the direction of the arrow.
③ Remove cover hook.
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