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In Reply to: RE: Why would you do that? posted by viridian on December 27, 2016 at 16:59:49
Good question. I was looking into those replacement boards, but the boards on this Dynaco are thick, heavy-duty and the traces are just fine as I have already stripped one of them and started to replace the parts back on, no delamination of the traces are occurring. I do have prograde solder equipment, both Hakko solder & desoldering equipment as well as a lot of experience, so that helps.
Follow Ups:
When I worked on my Mark IV's, there were no boards available. I had to jump one trace with a wire. On my SCA-35 I think it is a newer version. The boards are not that bad. (YMMV!) I am a very gentle solderer. I have not rebuilt the SCA-35. My plan is to start with the original board, and if disaster happens, buy a new one.
Dave
Agreed, Dave, each repair should be treated on its own merits, if those boards are/were bad, I would replace them with the many available, pre-stuffed boards on ebay, however, these are fine, have been stripped of the old parts and new, higher-quality parts are being sourced and installed, including new Beltron micalex sockets for the output tubes. Those sockets were obviously in bad shape, however, the board mounted sockets (7199 & 12AX7 on phono board) where just as obviously in great shape and retained. Having done numerous restorations and having excellent Hakko solder/desolder gear, I am confident that these will be better than ever with quality parts and construction.
by that logic if you checked a cap with a cap checker and it still met spec would you leave it?
The problem is often not today but, with 40-50 year old parts it can often be the near future IMHO. Take my advice for what it's worth, just what you paid for it! And have a happy New Year.
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