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  1. T

    Mike's Electronics

    I saw a post on one of the FB groups a few days ago where someone had just had a radio repaired by him.
  2. T

    fixing an old country line radio

    I used to have one just like that back in the 80's. Mine had the cassette player in it too.
  3. T

    Tube Radio Question

    As far as a true CB radio they will be 40 channel radios and would say the Browning MK IVA, Tram D201A, and the DAK 10. Circa 1978-79.
  4. T

    SPT-500

    The manuals for the pre 1977 Penetrators set it to 22' 9 1/2". When the 40 channel radios came out in 1977 the length was shortened to 22' 6" to make it centered at channel 20.
  5. T

    archer crosbow

    Here ya go.
  6. T

    Removing ethanol from gas

    We used to have 2 of those 350 utilities. One with power steering and one without. Great little tractors!
  7. T

    Teaberry stalker xx

    It uses the same board as the Madison.
  8. T

    Cobra 138XLR key up ping/pop

    I also remember that rewiring the PA solved that problem in the 138XLR but don't know how it was done.
  9. T

    Cobra 138XLR key up ping/pop

    This is from a TRC 458 but is the same board
  10. T

    DAK MARK IX parts identification question

    L303 is also used in the cobra 19 as L202. It is listed in the parts section as Dynascan # 0460399008. I took a look at Ken's Electronics site and saw everything but that one. It is a Toko LA series part. I think it may be listed as LA 154 but he shows no price for it so he may not have any but...
  11. T

    DAK MARK IX parts identification question

    L303 and L302 both are the same and have 340012A stamped on the side of them. The parts list in the owners manual shows the same number. The caps are just regular electrolytic caps but with 3 leads like you said. Only 2 are used + and -. There are 3 of these 47mf 450v caps in the radio. If your...
  12. T

    RF meter sensitivity

    Here's the scale for using 50uv = S9. This will allow you to see how linear your meter is. S9 = 50 S8 = 25 S7 = 13 S6 = 6.3 S5 = 3.2 S4 = 1.6 S3 = .79 S2 = .40 S1 = .20 (If using 100uv = S9, the output would be doubled for each). There's a lot of info like this on the web.
  13. T

    GE Superbase clarifier unlock

    I think that once you reconnect R205 and disconnect D205 it will transmit.
  14. T

    GE Superbase clarifier unlock

    I know this is a bit late but I just saw it. The CB Secret book had a misprint. It should be disconnect D205 not R205. If one looks at the schematic R205 has nothing to do with the clarifier. Since there will be a constant voltage on the clarifier after connecting the wire to it, the TX only...
  15. T

    858PLL final bias current low

    Here's some President Washington alignment and schematics that I downloaded at one time: One is from SAMS and the other one is the original manual. Don't know why the first one is upside down.
  16. T

    Probably the dumbest question posted

    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...
  17. T

    Digimax lite????

    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...
  18. T

    Tram D201 no am reception

    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...
  19. T

    Tram D201 no am reception

    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...