Sony MP-F75W Teardown

Written By: Alexander Krause
Published: 17/07/22
  • Comments: 0

Sony MP-F75W Teardown

Published: 17/07/22

Teardown

Introduction

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    • Get your tools and a grounding mat and strap ready.

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    • Push the trigger arm inwards to get the disk tray in the "injected mode".

    • Be careful not to pinch your fingers.

    • Tipp: If you're planning to store the drive long term, you might consider lowering the disk tray beforehand .

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    • Gently lift the retaining clip.

    • Then move the head stop to the rear of the drive to remove it.

    • Make sure, the disk tray is lowered, before attempting this step!

    • Do not bend the head assembly!

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    • Unscrew the Eject Motor Assembly.

    • Gently unplug it's connector.

    • Lift the Motor Assembly up and remove it.

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    • Remove the retaining washers (be careful not to loose them!)

    • Be careful not to loose these washers. They're pretty much unobtainium.

    • Lift the Slide Plate up and remove it entirely.

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    • Remove the two brass screws.

    • Gently unplug the Stepper Motor Assembly and remove it.

    • You should never ever unscrew the bolts for the head alignment, undless there's something wrong with it.

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    • Gently unplug the Head Assembly.

    • Unscrew the black screws to remove the Slide-guide shaft.

    • Remove the Head Assembly with utmost care.

    • Do not open the head assembly too far. Doing so might damage ist completely.

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    • Unscrew and remove the Lateral Brackets.

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    • Unscrew …

    • … and remove the Switch PCB.

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    • Desolder …

    • … unclip …

    • … remove PCB carefully, not to break the delicate switch.

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    • Carefully unclip the (desoldered) motor.

    • Pay attention to the cable routing!

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    • Open the eject motor.

    • If your motor is of the old design and held together using clips, bend one clip using tweezers or a long flat blade scredriver.

    • Handle all clips with utmost care! You will break them if you push too hard.

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    • Remove the big eject wheel by pinching the clip and pushing through the connecting rod.

    • Remove the other gears.

    • Be especially careful when opening clips.

    • The small yellow gear is the infamous "cheese gear." It will deteriorate and crumble eventually, thus resulting in a no longer working eject mechanism.

    • You have sucessfully disassembled the complete drive.

Author

Alexander Krause

Member since: 13/07/22

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