소개

The button panel on the Epson PowerLite 77c (model V11H254220) is essential for controlling key projector functions such as turning it on or off, selecting input sources, navigating the menu, and accessing help. If the buttons are unresponsive or misaligned with their labelled functions, replacing the button panel can quickly fix these issues and restore full functionality.

Before You Begin:

Turn off the projector
Wait until it has completely cooled down to ensure safety while handling

By following this guide, you’ll be able to replace the button panel step-by-step, even if you have no prior experience with projector repairs.

필요한 것

1 단계 Top Panel

Epson PowerLite 77c Top Panel Replacement, Top Panel: 1 단계, 이미지 1개 중 1개

Use a Phillips #0 screwdriver to remove the seven 5.0 mm screws on the base panel.
Pick up the projector with both hands, sandwiching the top and bottom of the projector together, and place it right-side-up, with the ports facing you.
Lift the top panel up.
Two connectors are holding the top panel to the motherboard; be careful not to damage them as you lift the top panel.

편집

2 단계

Flip the locking bar of the ZIF connector vertically, then delicately remove the ribbon cable.
Grip the cable connector as close as possible to the plug, then pull it straight up until it releases from the motherboard.
Remove the top panel.