简介

If you need to replace the motherboard of your Epson PowerLite 83+, this guide will take you through the steps.

A faulty motherboard may cause ports to cease functioning, the device to not power on, or other issues preventing use of the projector. Cleaning the motherboard and checking the connections may remedy issues. If that doesn't work, you may need to purchase a new one and replace it.

Before beginning this guide, be sure to power off the device and unplug from the power adapter.

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步骤 1 Motherboard

Epson PowerLite 83+ Motherboard Replacement, Motherboard: 步骤 1 中的图像 1，3

Epson PowerLite 83+ Motherboard Replacement, Motherboard: 步骤 1 中的图像 2，3

Epson PowerLite 83+ Motherboard Replacement, Motherboard: 步骤 1 中的图像 3，3

Remove the eight 5mm Phillips #2 screws securing the projector's bottom cover.
A long shank Phillips #2 screwdriver is required to reach the screws.

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步骤 2

Epson PowerLite 83+ Motherboard Replacement: 步骤 2 中的图像 3，3

Flip the projector over and lift the top cover from the rear of the projector.
Two cables are connected at the front that prevent full removal.
Disconnect the slide cover JST connector. Grip the connector and rock it back and forth while apply gentle pressure.

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步骤 3

Using a spudger, lift the ribbon cable's locking tab along the length of the cable.
Remove the ribbon cable from the connector and place the projector's top cover aside.

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步骤 4

Epson PowerLite 83+ Motherboard Replacement: 步骤 4 中的图像 3，3

Remove the two 6 mm Phillips #2 screws.
Remove the single silver 5 mm Phillips #2 screw.

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步骤 5

Epson PowerLite 83+ Motherboard Replacement: 步骤 5 中的图像 3，3

Using your fingernails or a spudger, remove the eleven JST connectors attached to the motherboard.

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步骤 6

Using a spudger, flip up the plastic locking tabs and gently remove the three ribbon cables from their connectors.

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步骤 7

Ensure all JST connectors are clear of the motherboard and that the ribbon cables freely move in their motherboard cutouts.
Lift the motherboard from the front side of the projector to clear the ribbon cables.
Disconnect the speaker's JST connector on the underside of the motherboard using your fingernails.
Remove the motherboard from the case.