Canon Eos Rebel T6I Motherboard Replacement Repair Guide

Difficulty

Difficult

Steps

Time Required

                          1 hour

Sections

Flash Assembly
14 steps
Motherboard
4 steps

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Introduction

What you need

Step 1

              Flash Assembly

Remove two 6.8 mm JIS #000 screws on the right side.
Remove six 5.3 mm JIS #000 screws on the bottom.
Remove two 5.3 mm JIS #000 screws on either side of the viewfinder.

Remove two 6.8 mm JIS #000 screws on the right side.

Remove six 5.3 mm JIS #000 screws on the bottom.

Remove two 5.3 mm JIS #000 screws on either side of the viewfinder.

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Step 2

Remove one 5.9 mm JIS #000 screw on the top right.
Remove one 3.4 mm JIS #000 screw on the top left.

Remove one 5.9 mm JIS #000 screw on the top right.

Remove one 3.4 mm JIS #000 screw on the top left.

Step 3

Using a metal spudger, pry the rubber grip off of the casing on the left side of the camera.
Potential for device damage: Be careful not to rip the rubber with the metal spudger.
Remove five silver 5.8 mm JIS #000 screws from underneath the grip.

Using a metal spudger, pry the rubber grip off of the casing on the left side of the camera.

Potential for device damage: Be careful not to rip the rubber with the metal spudger.

Remove five silver 5.8 mm JIS #000 screws from underneath the grip.

Step 4

Using the metal spudger, pry the rubber grip located just below the turndial.
Potential for device damage: Be careful not to rip the rubber.

Using the metal spudger, pry the rubber grip located just below the turndial.

Potential for device damage: Be careful not to rip the rubber.

Step 5

Carefully use the plastic opening tool to pry the casing apart along the seam.
Follow the seam with the plastic tool until the back is ready to remove.
Potential for device damage: Make sure you use the grounding strip to remove the chance of discharging static electricity into the internal components.

Carefully use the plastic opening tool to pry the casing apart along the seam.

Follow the seam with the plastic tool until the back is ready to remove.

Potential for device damage: Make sure you use the grounding strip to remove the chance of discharging static electricity into the internal components.

Step 6

Notice the two connections attaching the back of the camera to the motherboard.
To disconnect the white wire, pinch the wire casing and pull it directly out from the camera.
This may take a very small amount of strength; however, do not force or pry it.
To disconnect the ribbon connector, softly pull the back away from the motherboard. It should come undone with little force.
Once removed, set the back in a safe place.

Notice the two connections attaching the back of the camera to the motherboard.

To disconnect the white wire, pinch the wire casing and pull it directly out from the camera.

This may take a very small amount of strength; however, do not force or pry it.

To disconnect the ribbon connector, softly pull the back away from the motherboard. It should come undone with little force.

Once removed, set the back in a safe place.

Step 7

Remove the five ribbon connectors along the bottom of the assembly using either needle nose tweezers or a plastic opening tool to flip the small flaps to the “up” position.
Use a nylon spudger to pull each ribbon connector out of its connection using the hole in the center of the ribbon.

Remove the five ribbon connectors along the bottom of the assembly using either needle nose tweezers or a plastic opening tool to flip the small flaps to the “up” position.

Use a nylon spudger to pull each ribbon connector out of its connection using the hole in the center of the ribbon.

Step 8

Remove the button cell battery from the motherboard using a pair of tweezers.

Remove the button cell battery from the motherboard using a pair of tweezers.

Step 9

Disconnect the small plastic connectors on the top left corner of the motherboard by gripping the small plastic portion of the wire and gently pulling out of the connector.
Disconnect the three ribbon connectors along the top.
Don’t detach the connectors underneath or the ribbon connectors with the foam block, as these will be removed later.

Disconnect the small plastic connectors on the top left corner of the motherboard by gripping the small plastic portion of the wire and gently pulling out of the connector.

Disconnect the three ribbon connectors along the top.

Don’t detach the connectors underneath or the ribbon connectors with the foam block, as these will be removed later.

Step 10

Remove the four screws from the front of the camera. There are two screws above the lens mount and two screws inside the lens mount.
Remove the four screws from the bottom of the camera.

Remove the four screws from the front of the camera. There are two screws above the lens mount and two screws inside the lens mount.

Remove the four screws from the bottom of the camera.

Step 11

Using the plastic opening tool, pry the front of the casing off of the camera.
Warning: Electric Shock! Be careful not to touch the terminals of the capacitor (black cylinder). This can cause the capacitor to discharge.

Using the plastic opening tool, pry the front of the casing off of the camera.

Warning: Electric Shock! Be careful not to touch the terminals of the capacitor (black cylinder). This can cause the capacitor to discharge.

Step 12

Remove the yellow and red connections on the front near the black cylinder (capacitor).
The yellow connector will just pop out if pried from the bottom using a plastic opening tool.
The red connector will pull out of the casing with either a plastic opening tool or a thin set of tweezers.
Warning: Electric Shock! Be careful not to touch the terminals of the capacitor (black cylinder). This can cause the capacitor to discharge.

Remove the yellow and red connections on the front near the black cylinder (capacitor).

The yellow connector will just pop out if pried from the bottom using a plastic opening tool.

The red connector will pull out of the casing with either a plastic opening tool or a thin set of tweezers.

Step 13

Remove the diopter adjustment knob next to the viewfinder using a JIS #000 screwdriver.

Remove the diopter adjustment knob next to the viewfinder using a JIS #000 screwdriver.

Step 14

Remove the entire upper flash assembly by gently pulling it up and off the camera.
The flash assembly is sold as a single piece.

Remove the entire upper flash assembly by gently pulling it up and off the camera.

The flash assembly is sold as a single piece.

Step 15

              Motherboard

Disconnect the ribbon connector on the upper right side of the motherboard.
Pull back the foam on the connector on the far right side of the motherboard.
Flip up the tab on the connector and remove the cable.

Disconnect the ribbon connector on the upper right side of the motherboard.

Pull back the foam on the connector on the far right side of the motherboard.

Flip up the tab on the connector and remove the cable.

Step 16

Remove the two screws on the right side of the motherboard as well as the screw in the center.

Remove the two screws on the right side of the motherboard as well as the screw in the center.

Step 17

Remove the two screws connecting the metal port bracket to the motherboard.
Slide the metal bracket out of the camera.

Remove the two screws connecting the metal port bracket to the motherboard.

Slide the metal bracket out of the camera.

Step 18

Remove the motherboard from the device.

Remove the motherboard from the device.

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

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ivanram - Jan 30, 2019

To change the CMOS sensor, How do it??

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