Search found 2 matches

by oldtvgear
Thu Apr 20, 2017 7:17 am
Forum: Ask the Engineers
Topic: Sony BVH-3100PS Tension Problem?
Replies: 0
Views: 71

Sony BVH-3100PS Tension Problem?

I've read with interest some of the very informative threads for Sony BVH machines and its prompted me to reach out and pose my current dilemma and see if the knowledgable folks here can shed some light on it. I have a BVH-3100P machine that has just had a spare head assembly put into it - the machi...
by oldtvgear
Thu Apr 20, 2017 6:54 am
Forum: Ask the Engineers
Topic: Sony BVH-3100PS - drum not spinning / servo issue
Replies: 2
Views: 70

Re: Sony BVH-3100PS - drum not spinning / servo issue

There is a problem with some Sony BVH3100 series head assemblys where the bracket at the back starts to crack/warp with age. What happens is that as it warps, it will get closer to the disc at the back of the whole assembly, eventually crashing into it and completely seizing the drum entirely. The b...