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Here is the schematic.

By the way Loctite is the brand name of the many types of thread lockers that the Henkel company sells along with other products. It seems to get used as the generic name for all thread lockers kind of like Coke, Kleenex, Vise Grips, Channelocks, Mack Truck,etc do for their type of products...

I put one in a TRC 458. The only problem was that the face plate sits so far from the chassis that the original knob won't fit back on as the new shaft is shorter than the original one. I couldn't find anyplace that sells a longer one of that exact type. I ended up taking a short piece of a Bic...

First of all caps aren't measured in ohms. They are measured in farads. You need a capacitance meter to accurately measure them. The "5" on that cap means that it is 5 pf and the NPO is it's temperature coefficient rating. If you measure it with an ohmmeter and get no reading that is good as...

I missed the fact that it was 23 channel radio. I should have read the original post better. They are still basically the same. If you have a schematic for the D201 it's probably for the VOX version. The circuit board ones are hard to come by unless you have an original. Some day I should get...

If you have a copy of the manual it has the complete alignment procedure. It does not however tell how to adjust the 2 trimmer caps under the receive board as it was printed before that revision was done to the radio along with other ones that were done. If your radio is an early D201A it will...

If you use compressed air regulate it to about 20 psi. That's what we used in the service and in most electronic shops I worked in or use the can type. To clean boards there are cleaners in spray cans such as MG Chemicals Super Wash. You can also clean them with alcohol or even wash them in a...

I have a 2950DX that lost it's output on all modes,AM ,FM and SSB. My freq. counter shows it still puts out the correct frequency on AM but there is no power. It still receives perfectly and if I whistle into it on SSB it twitches the needle on my external meter ever so slightly but there is no...