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Sony MP-F75W Teardown

Written By: Alexander Krause (and 3 other contributors)
Published: July 17, 2022
  • Comments: 0
  • Favorites: 0
  • Views: 727

Sony MP-F75W Teardown

Written By: Alexander Krause (and 3 other contributors)
Published: July 17, 2022
  • Comments: 0
  • Favorites: 0
  • Views: 727

Teardown

What you need

This teardown is not a repair guide. To repair your Sony MP-F75W, use our service manual.

  1. Sony MP-F75W Teardown, Prepare yourself: step 1, image 1 of 1

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

    Edit

  2. Sony MP-F75W Teardown, Lowering the Disk Tray: step 2, image 1 of 1

    • 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 .

    Edit

  3. Sony MP-F75W Teardown, Removing the Head Stop: step 3, image 1 of 3 Sony MP-F75W Teardown, Removing the Head Stop: step 3, image 2 of 3 Sony MP-F75W Teardown, Removing the Head Stop: step 3, image 3 of 3

    • 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!

    Edit

  4. Sony MP-F75W Teardown, Removing the Eject Motor Assembly: step 4, image 1 of 3 Sony MP-F75W Teardown, Removing the Eject Motor Assembly: step 4, image 2 of 3 Sony MP-F75W Teardown, Removing the Eject Motor Assembly: step 4, image 3 of 3

    • Unscrew the Eject Motor Assembly.

    • Gently unplug it's connector.

    • Lift the Motor Assembly up and remove it.

    Edit

  5. Sony MP-F75W Teardown, Removing Slide Plate: step 5, image 1 of 3 Sony MP-F75W Teardown, Removing Slide Plate: step 5, image 2 of 3 Sony MP-F75W Teardown, Removing Slide Plate: step 5, image 3 of 3

    • 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.

    Edit

  7. Sony MP-F75W Teardown, Removing Stepper Motor Assembly: step 6, image 1 of 2 Sony MP-F75W Teardown, Removing Stepper Motor Assembly: step 6, image 2 of 2

    • 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.

    Edit

  8. Sony MP-F75W Teardown, Removing Head Assembly: step 7, image 1 of 3 Sony MP-F75W Teardown, Removing Head Assembly: step 7, image 2 of 3 Sony MP-F75W Teardown, Removing Head Assembly: step 7, image 3 of 3

    • 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.

    Edit

  9. Sony MP-F75W Teardown, Removing the Lateral Brackets: step 8, image 1 of 1

    • Unscrew and remove the Lateral Brackets.

    Edit

  10. Sony MP-F75W Teardown, Removing the Eject Gear Switch Assembly (new design): step 9, image 1 of 2 Sony MP-F75W Teardown, Removing the Eject Gear Switch Assembly (new design): step 9, image 2 of 2

    • Unscrew …

    • … and remove the Switch PCB.

    Edit

  11. Sony MP-F75W Teardown, Removing the Eject Gear Switch Assembly (old design): step 10, image 1 of 1

    • Desolder …

    • … unclip …

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

    Edit

  12. Sony MP-F75W Teardown, Removing the Eject Motor: step 11, image 1 of 2 Sony MP-F75W Teardown, Removing the Eject Motor: step 11, image 2 of 2

    • Carefully unclip the (desoldered) motor.

    • Pay attention to the cable routing!

    Edit

  13. Sony MP-F75W Teardown, Opening the Eject Gear Box: step 12, image 1 of 3 Sony MP-F75W Teardown, Opening the Eject Gear Box: step 12, image 2 of 3 Sony MP-F75W Teardown, Opening the Eject Gear Box: step 12, image 3 of 3
    Tool used on this step:
    Tweezers
    $4.99
    Buy

    • 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.

    Edit

  14. Sony MP-F75W Teardown, Disassembling the Eject Gear Box: step 13, image 1 of 2 Sony MP-F75W Teardown, Disassembling the Eject Gear Box: step 13, image 2 of 2

    • 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.

    Edit

    • You have sucessfully disassembled the complete drive.

    Edit

Author

with 3 other contributors

Alexander Krause

Member since: 07/13/22

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