I have contracted with a person who can make these parts and they are tested in a 234 that does in fact work. The part is determined to be $6.00 each as there is shipping and pre-order cost involved. If you have a broken joint this one is made to be more robust as parts are thicker by this design. If you have further questions shoot away.
Well I was contacted some time ago by a person wishing to learn tape deck repair. Well he is doing that and moving right along to a top level Technician.
But there is another aspect of this person which has not been explored- He repairs the dBx units that other guys can’t because as some of you might know all the documents such as service manuals have been burned up. Well you get a guy who is smart enough and that will not stop him. He has already been fixing units sent to him from Greece so he is already pretty well known but I want to be sure that everyone else knows about this. The guy is Gerhard in Florida. Just to make it easy here is his signature-
Vintage Stereo Repair and Restoration
Repairing and restoring analog audio components
Teac, NAD, dbx, Revox, B&O, Pioneer
I keep on getting people referring to U tube instruction videos. Most all of them are wrong in some way or another. The other thing is they jump over 90% of the work that needs to be done, use the wrong terms and are just totally incompetent on a Bench. Teac would never hire them. Things to watch out for- Sine wave comes from a I Phone- no real Technician would ever use this piece of junk. They have real equipment. They use a DVM to measure audio signals- This is totally wrong item to use for this and is inaccurate. They put oil where grease goes and grease where oil goes. They can not even determine the need in what they are working on. They take face plates off decks when it is totally unnecessary. Why take all this off possibly damaging parts when the real Technicians never do? You are better off calling me or Russ Bachmann in NJ to find out how to do something- NOT all technicians are so free with their advice as they are too busy. If I have 200 units sitting here waiting to be worked on what makes me want to sit and talk to a hobby person to fix his deck. Sometimes I do but there is a limit to how much I can help as some of this requires one on one training- there is no other way. I am working with some people now to expand the possible person to send units to. Gerhard is in FL and he is doing rather well with all the equipment I refer to him. Dean in Canada is overcoming his problems with cassette decks, Mike in MN is setting up his bench and getting ready to do some work. Find a correct Technician and save money as all these local shops are only there to charge you a fee without doing any real work.
These detailed items are for those who are technically capable of understanding them and implementing them. The reason is that it is a way to share what is determined, designed or found to need correction on the various models noted. It will allow a technician who works on tape decks to benefit from my observations and design mods to make their repairs better or more accurate.
Do not hesitate to contribute if you have a proven and tested design mod.
I have an over abundance of Silver Maple trees that have started growing in the yard. I have potted a lot of them to allow them to be planted elsewhere. Boy Scouts, Rotary clubs, clubs of all kinds that want to plant trees to help preserve nature. Well I got the trees here. $3.00 to individuals but clubs I can work out a deal.
I am in Bensenville IL 60106- near the SW corner of O’Hare Airport. 708-334-2260 come and get some. I don’t want them to die.
I am amazed that a lot of the clients I talk to do not or have not ever heard of Dr. Steven Greer. He is trying to bring out the truth that the Government and the Military have been trying to hide all these years from the 40’s. There are so many people that watch the sheeple news media that are really full of crap that is about garbage that does not matter. I don’t waste my time on that stuff. Anyway a new movie is about to come out that furthers the education of the public on the connection possible to those that have been here for years but have known we were not ready yet. People who are informed will know something about this.
There are sites that are now offering MRL and Teac tapes that use their name but in reality they are duplicating their own signals on tape from who knows what kind of machines. This is one example-https://www.ebay.com/itm/BRAND-NEW-1-4-7-5-in-s-MRL-Four-Frequency-Calibration-Tape/392363532341?hash=item5b5ab06035:g:XaEAAOSwUPxdQc2f
These are fake and also not accurate and basically they are rip off artist that use reputable names to sell their garbage. Since when does Teac operate an alignment tape facility in Germany? It is all junk waiting to steal your money. Get MRL tape from good dealers like JRF Magnetics or MRL themselves and don’t buy the 4 tone cheaped out tape as this will not be as good as the real thing. I have been using MRL tapes from the late 80’s.
For those who own this machine there is a weak part in it called S301 which is the solenoid ALPs direction switch. Once this starts to go bad you can try and spray it with Deoxit but that might not even work given the tiny and poorly made switch design. The correct answer is to put a properly designed switch in by Kurt Jacobs which is sold on E bay. This fellow has done some homework and has made a correctly made part that should have been put in the deck of this price in the first place. Ebay Item# 153025190388
I, as a past Teac Lead Technician recommend this part!
For those that are not informed and have no way to measure wow and flutter as well as phase shift with a scope, I am posting this so that you DO NOT waste your money on this garbage.
I finally tested a set here and had to wonder what was the problem with the freshly oiled and belted deck and it was the Pinch Rollers. These Pinch roller push ons are a bad attempt to make a product but if they did any testing they would find that they exhibit cyclic wow and flutter rising to .14% and that they are not very precise in that the azimuth sine wave shifts consistently at least 90 degrees each way. This is ridiculous that these are still being sold. I looked on Amazon and there are two 5 star rating reviews.
In putting on another pair of old rollers I had here the wow and flutter went down to .040% wrms and stayed there.
This is another rip off product to be sold to those that do not know better- my results have been confirmed by two other Technicians.
Also be aware that this same idea is being sold for Tascam cassette decks and the more expensive Open reels. No matter what the product is, the push on rubber is crap and you will NOT get good service from it. The only way to fix a Pinch Roller is to send it to Terry Witt in Sparta Michigan. This is what the professionals do. Don’t let these numbskull’s take advantage of you!
I have been working on units a log time and some of the time I get requests for help that I do not have manuals for so over to Hi Fi Engine I went. Most of the time I was able to help the other guy for no cost. Well most recently I was working on a Sony 854-4 where I got the manual from Hi Fi Engine. The schematic is so bad that you can not see what the part numbers are- what idiot scans stuff like this and what further idiot puts in on a site for some poor person to download and try to work with.
Well I made a comment to them about the poor quality and now I am done with their poor scans and idiotic behavior. Why don’t they come up to standards rather then kick people out from downloading their garbage.
No matter, I am not going there anymore and do not suggest to anyone that you do either. If I can not fix a product with all my experience and their blurry manuals what makes you think that a person just starting is going to be able to.
Get all you manuals in paper from Stereomanuals.com
This place will get you a good and clear product. http://www.stereomanuals.com/index.htm
Hi FI Engine Quality-JUNK!