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The speaker in the Epson PowerLite Home Cinema 1040 (model V11H772020 or H772A) is a built-in audio unit that is designed to output sound from the projector. The speaker helps to provide audio to complement the visual presentation that is being projected onto a screen or surface.
If your projector is not producing any sound even with the volume turned up on both the source device and the projector, and there are no external speakers connected, then the speaker may be broken.
This guide demonstrates the steps necessary for replacing the built-in speaker.
Before beginning, make sure to turn off the projector and unplug the power cord.
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Turn off the projector and unplug the power cord.
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Use the Phillips #2 screwdriver to remove the 9 mm screw that secures the lamp cover.
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Slide off the lamp cover and remove it from the projector.
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Use the Phillips #1 (PH1) screwdriver to remove the three 7 mm screws around the perimeter of the lens cover.
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Remove the air filter cover.
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Remove the two PH1 7mm screws from under the air filter cover.
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Remove the two black, PH1, 6mm screws.
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Flip the projector so the bottom is exposed.
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Remove seven PH1 7mm screws on the outer rim of the projector.
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Continuing on the bottom, remove the two black, PH1, 6mm screws.
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Remove the cover on the backside of the projector where the inputs are located.
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Pull the top half of the housing upwards and rest it on the side.
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Using your fingernail or another thin wedging tool, disconnect the electronic strip from the motherboard.
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Remove the top half of the projector housing completely and set it to the side.
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Remove the two PH1 7mm silver screws that secure the speaker.
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Remove the two PH1 7mm silver screws that secure the speaker frame.
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Unhook the red, white and black speaker wires that connect to the motherboard.
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Uncoil the speaker wires from the rest of the wires.
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Remove the speaker from the projector.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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