Search found 5 matches

by oldtvgear
Thu Sep 06, 2018 12:27 am
Forum: Ask the Engineers
Topic: BVH-2000 playback muting to grey screen
Replies: 4
Views: 260

Re: BVH-2000 playback muting to grey screen

From what i am looking at so far, its appearing more likely its a software version mis-match - both the machines with internal TBC's are much more recent serials, where as the one with ext TBC is much older. What remains unanswered is if this was the case also with the TBC cards themselves. Yes, i h...
by oldtvgear
Tue Sep 04, 2018 8:30 pm
Forum: Ask the Engineers
Topic: BVH-2000 playback muting to grey screen
Replies: 4
Views: 260

Re: BVH-2000 playback muting to grey screen

Thanks for your reply! I do not think the SV-43 is at fault since the one that appeared faulty still functions fine in its original BVH-2000 that has an ext TBC After swapping the SV43 card from another machine that also has internal TBC it functions fine. The problem was then that the screen is mut...
by oldtvgear
Sun Sep 02, 2018 5:16 am
Forum: Ask the Engineers
Topic: BVH-2000 playback muting to grey screen
Replies: 4
Views: 260

BVH-2000 playback muting to grey screen

So i have been working on a Sony BVH-2000ps Initially the machine was missing an SV-43 card which did not allow it to complete booting. Putting a known good SV-43 card from another machine in allowed it to boot, however on playback had a weird b/w image though recognisable it was pulled to one side ...
by oldtvgear
Thu Apr 20, 2017 7:17 am
Forum: Ask the Engineers
Topic: Sony BVH-3100PS Tension Problem?
Replies: 0
Views: 762

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: 517

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...