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reelyinteresting · **Posted:** 12 Dec 2025, 21:59

The left-right "shaking" is a result of the unique/unusual time base errors to the VHD format. Unlike LaserDisc, VHD does not have built-in time base correction. Many ADCs (both consumer & professional) can't handle the line to line error and have issues with picture stability. Sometimes, if you gently rock the player back and forth, you can get the image to lock on ADCs that won't cooperate. As someone who recapped multiple VHD decks, recapping will not help this issue at all. It's best to get an 80's to early 90's standard definition CRT TV to test/use your VHD player with; any display of any kind newer or older could have issues with VHD output.
If you eventually lose picture, your needle is worn or dirty and is not related to the above issue. I like gently running the needle over a (moist) Magic Eraser to clean it. If that doesn't help, you need a new needle.

Most National decks suffer from jammed doors from brittle plastic in the front of the loading mechanism (or they quickly break after use). Usually this happens around the spring loaded hinge & snaps for the metal flap. You'll need to super glue the pieces back in place for proper operation.