简介

The button panel controls all sorts of features of the Epson Powerlite 77c (V11H254220) projector. Some of these features that the buttons control are the power, source , menu, help, etc. Replacing the button panel will ensure that the buttons correspond correctly to the appropriate function displayed on the button labels.

Before beginning, power off the projector and allow it to fully cool.

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步骤 1 Top Panel

Epson PowerLite 77c Button Panel Replacement, Top Panel: 步骤 1 中的图像 1，1

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.

编辑

步骤 2

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.