Epson Home Cinema 2150 Repair Power Supply Unit Replacement - Guida di riparazione iFixit

Introduzione

A replacement of the power supply unit is needed if the projector shows no sign of power despite the use of a functional power cable. It is located within the Epson Home Cinema 2150 almost at middle right next to the projector lens. It's a heavy black box.

The power supply is designed to deliver the proper power to the projector.

Cosa ti serve

Passo 1 Projector Lamp

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Disconnect and cool the device to room temperature. Failure to do so may result in electric shock or minor burns.
Orient the Epson Home Cinema 2150 so that the large indented panel faces your direction.
Unscrew the single 6mm Phillips#2 holding screw from the access panel.
Slide the panel horizontally, then lift up to remove the access panel.

Passo 2

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Loosen and remove the two screws holding the lamp.
Remove two 9 mm Phillips #2 screws.

Passo 3

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Using four fingers, pull upwards on the lamp's plastic casing.
You may feel some resistance when pulling the lamp.

Passo 4 Wireless connection board

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Remove the air filter cover. Grip the piece with two fingers above and below at the center.
Grab the air filter from the protruding tab and pull the filter out.

Passo 5

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From the back of the projector remove three 6 mm Phillips #1 screws.

Passo 6

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From the device's underside, remove eleven 9.5 mm Phillips #1 screws.
Remove two 6 mm Phillips #1 screws.
Pull off remaining plastic molding.

Passo 7

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From the lamp access slot, remove four 9.5 mm Philips #1 screws

Passo 8

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From the filter slot, unscrew two 9.5 mm #1 screws.

Passo 9

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Partially lift the top portion of the device housing.
Lifting too far or too hard may damage any cables between the housing and the motherboard.

Passo 10

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Disconnect the ribbon cable from the motherboard.
Ribbon cables are delicate. To avoid unnecessary stress to the cable, pull on the cable with the flat surface of two fingers.

Passo 11

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Remove three 5 mm Phillips #1 screws.

Passo 12

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Press on the metal connector and firmly pull on the remaining ribbon cable.

Passo 13

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Pull the clips on the case with two fingers on opposite ends and remove the case.

Passo 14 Speaker

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Pull up on the rear panel retaining clip.
Pull the rear panel away from the device to remove.

Passo 15

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Disconnect the speaker wire from the motherboard.
Pull up at the end of the wire when removing the connector.

Passo 16

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Unwind the speaker wire through the metal chassis.

Passo 17

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Remove two 6mm Phillips #1 screws.
The speaker will fall out once screws are removed.

Passo 18 Exhaust Fan

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Remove two 6 mm Phillips #1 screws.
Remove two 5 mm Phillips #1 screws.

Passo 19

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Disconnect a total of 10 motherboard connections.
Disconnect wires individually to avoid potential damage to the motherboard or the wires.

Passo 20

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Press on the metal connector and firmly pull to remove the remaining ribbon cable.
Ribbon cables are delicate. To avoid unnecessary stress to the cable, pull on the cable with the flat surface of two fingers.

Passo 21

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Remove twelve 5 mm Phillips #1 screws.
Using both hands, carefully lift the first half of the motherboard.

Passo 22

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Disconnect the three brown ribbon connectors from the board.
Ribbon cables are delicate. To avoid unnecessary stress to the cable, pull on the cable with the flat surface of a finger.
Remove four 5 mm Phillips #1 screws.
Remove two 3 mm Phillips #1 screws.
Pull upwards on the motherboard to remove it from the projector.

Passo 23

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Remove the 7.5 mm Phillips #1 screw.
Remove two 6 mm Phillips #1 screws.
Set the black plastic lens sliders to the side.

Passo 24

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Remove five 9.5 mm Phillips #1 screws.
Remove one 6.0 mm Phillips #2 screw.
This screw is located to the right of the rear 9.5 mm screw.
Remove the metal bracket by pulling upwards on its sides.

Passo 25

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Remove the 9.5 mm Phillips #1 screw located behind the power supply.
Unwind the fan cable from the power supply for better access to the screw.
Remove the 10 mm Phillips #1 screw.

Passo 26

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Move the fan cable to the side for clear access to the sensor below it.
Using pliers, pull upwards on the white sensor to remove it from the fan assembly.

Passo 27

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Remove two 9.5mm Phillips #1 screws.

Passo 28

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Carefully lift upwards on the fan assembly to remove the fan from the projector.

Passo 29 Power Supply Unit

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The power supply unit is a black box. Inside, there are two connected circuit boards, each with a single connector.
Using needle nose pliers, disconnect the first white connection cable from the circuit board.
Power suppl units have components that can hold an electric charge. Avoid touching anything other than the connector to avoid the risk of electric shock.

Passo 30

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From the rear side of the power supply unit, remove a single 9.5 mm Phillips #1 screw.

Passo 31

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Carefully lift the power supply unit 2-3 inches upwards without creating tension on the remaining wires.
Angle the power supply unit to the side for clear access to the remaining connector.
Using needle nose pliers, disconnect the remaining wires from the power supply connector.

Passo 32

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Remove the power supply unit.

Conclusione

To reassemble your device, follow these instructions in reverse order.

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Jose Vazquez

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