Mirror Box Removal

Written By: Sam Gustafson
  • Comments: 0
Mirror Box Removal

Difficulty

Very difficult

Steps

26

Time Required

2 hours

Introduction

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    • Push down the latch to release the film door.

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    • Remove two 7.5 mm #00 screws.

    • Remove one 9.0 mm #00 screw.

    • Remove one 13.5 mm #00 screw from inside the battery compartment.

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    • Push the button to pop up the flash.

    • Remove one 3.5 mm #00 screw.

    • Remove one 5.5 mm #00 screw.

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    • Carefully lift the top cover away from the body to access wired connections.

    • The top cover is still connected in several locations.

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    • Peel back the corner of the rubber grip.

    • Remove the small plastic cover.

    • Be careful not to short the wires before the flash capacitors have been properly discharged.

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    • Use a 1kΩ-10kΩ high power resistor to discharge the capacitor. Place the resistor between the blue wire, exposed in the previous step, and ground.

    • The flash capacitors store energy at a very high voltage. Failing to discharge the capacitors properly could result in personal injury and/or damage to the camera.

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    • Carefully lift the sides of the white latch.

    • Hold the flex PCB on the camera body in place as you lift to prevent damaging the flex.

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    • Desolder the red wire.

    • Carefully lift the sides of the white latch.

    • Hold the flex PCB on the camera body in place as you lift to prevent damaging the flex.

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    • Desolder blue, black, brown and green wires.

    • Remove the loose shim washer if present.

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    • Remove the piece of cellophane tape covering the flex connections.

    • Desolder flex connetions.

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    • Use isopropyl alcohol to soften the adhesive under the country plate and remove.

    • Remove one 5mm #00 screw.

    • Remove one 7.5mm #00 screw.

    • Remove two 4.5mm #00 screws.

    • Remove one 5.5mm #00 screw.

    • Remove the plastic frame around the accessory grip contacts.

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    • Remove one 4.0 mm #00 screw.

    • Remove left cover.

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    • Remove front cover.

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    • Remove one 6.0 mm #00 screw.

    • Remove two 3.5 mm #00 screws.

    • Remove one 5.0 mm #00 screw.

    • Remove the strap lug.

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    • Carefully pull the right panel away from the body. It is still attached.

    • Desolder the flex connections.

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    • Remove the protective mask around the accessory grip contacts.

    • Lift the flex contacts free of their retaining posts. Use isopropyl alcohol to soften any glue or tape that is present.

    • Remove four 4.0 mm #00 screws.

    • Remove four 4.0 mm #00 screws.

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    • Desolder the black and red wires for the speaker.

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    • Desolder the white and pink wires.

    • Desolder the red, black and gray wires.

    • Desolder the red, black and orange wires.

    • Desolder the white and blue wires.

    • Carefully peal the tape away and detach the red, black, white and blue wires from the glue. Use isopropyl alcohol to soften the glue if necessary.

    • Desolder the flex connection.

    • Desolder the flex connection.

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    • Desolder red, black, gray and orange wires.

    • Desolder flex contacts.

    • Disconnect flex connector.

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    • Desolder black wire.

    • Desolder battery contact tab.

    • Desolder flex contacts.

    • Remove one 4.0 mm #00 screw.

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    • Desolder flex connection and remove from retention posts. Use isopropyl alcohol to soften the glue if necessary.

    • Carefully peal the flex cable from the surface of the flash capacitor. Use isopropyl alcohol to soften the glue if necessary.

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    • Remove two 5.0 mm #00 screws.

    • Remove the eye piece.

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    • Remove one #00 screw.

    • Reassembly Note: Ensure that the lower contact catches on the plastic nub and that the contact is open when the lens release button is not pressed.

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    • Apply a low DC voltage (3-6 V) to the mirror motor to move the mirror to the upper position.

    • The mirror box will not easily release from the camera body while the mirror is in the lower/charged position.

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    • Remove two 6.5 mm #0 screws.

    • Remove one 8.0 mm #0 screw.

    • Remove one 4.0 mm #00 screw.

    • Remove one 4.5 mm #00 screw.

    • Remove two 2.5 mm #00 screws.

    • There may be a shim washer here. Remove if loose.

    • Remove one 4.0 mm #00 shoulder screw.

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    • Push the mirror box up to free it from the bottom plate.

    • Lift the left side of the mirror box and rotate it up and out of the camera body.

    • Be gentle. Keep an eye out for any snagged flex cables or wires. The right side of the mirror box is still connected to the camera body and it cannot be completely removed.

    • Check for shim washers at the mount locations. Note location and remove if loose.

Conclusion

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

Author

Sam Gustafson

Member since: 02/09/22

4686 Reputation

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