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TX-9100 Recap

bisonguy

bisonguy

Active Member
I did a full recap on an SA-9100 that was given to me and I was so impressed with the finished product I decided to do a restoration on a TX-9100 to complete the set. Got one on Epray with some minor issues (couple of fuse lights out). So, it works fine except for the need of deoxit and I want to do a recap to ensure it keeps on working well but I'm in no hurry to begin. I found lots of info on recap for the SA-9100 but not the TX-9100. I put together a list of caps (mouser.com) that I think will do the job but I would like to know if anyone has any advice, past experience etc on this tuner. I haven't seen any threads on systemic problems such as those found on the SA-9100.
Anyway, I attached a cap list and would appreciate any advice from those who have gone before me on this tuner.
 

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after that it will need a full alignment.

Who are you going to send it to for that?
 
There is an audio shop here that does vintage equipment and can do the alignment. Would you advise against doing a full re-cap since it is a tuner? I am just looking to extend its life. The lack of any data here on re-cap of a TX-9100 or even any problems with a TX-9100 leads me to believe that they must be fairly reliable, even after 37 years.
 
I have restored tx-9100's to great results. took some tweaking, following their procedure just showed how blind they were to their innovation.
 
bisonguy said:
I decided to do a restoration on a TX-9100 to complete the set.
Click to expand...

Did you get around to restoring your tx-9100 and if so did you use your attached cap list?

I am about to start on mine as it will barely pick up any stations, fm and am are both VERY weak and I,m getting very high dc readings (20+ vdc) from pins 25 & 27 on AWE 026. I believe these should be mv and 0.00v! Time for a rebuild I think!

bisonguy said:
I put together a list of caps (mouser.com) that I think will do the job but I would like to know if anyone has any advice, past experience etc on this tuner.
Click to expand...

Any advice with this much appreciated. I don't see much on the forum re the tx-9100. Am I missing something, are there NO rebuild threads on the tx-9100!
 
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