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Recent content by 999

  1. 999

    Cobra HQ

    If you look them up the address is still listed as 6500 W Courtland in Chicago, but their name is most definitely not on that building anymore. I can't find any updated information on where their offices are located now. There are only 2 phone numbers listed on their website, both 800 numbers...
  2. 999

    Texas Star Dx 400V lamp part number

    Old style https://stores.goldeneagleradios.com/texas-star-button-lamps/ New style https://stores.goldeneagleradios.com/texas-star-new-model-meter-and-switch-lamps-7373/
  3. 999

    Android Tablet USB-C Jack Question

    A repair like this most likely would require the replacement of at least the screen and possibly the back, depending on the construction of the device. The soldering most likely would have to be done with hot air and not an iron due to the small size of the component connections. Find a phone...
  4. 999

    DX-959 Bias too high

    I would check the values of these components.
  5. 999

    Antenna Splitter?

    No. The first time you key one you'll blow the other.
  6. 999

    President Grant Updates

    If he's not in the US he most likely has the "export" version with the PC-999 board (or a variant of it) that has 3 bands, FM, and a roger beep.
  7. 999

    Ranger RCI 2950 DX

    I got mine in 2006 or 2007. It's a black face with green numbers (inverse of yours) and I have the newer microphone. So that would make it sometime between the mid 90's and then. I'm not sure exactly when they started the DX change over, but I have an earlier black faced one.
  8. 999

    Cobra 86 XLR Power Cord

    It doesn't look like anything special, just a 2 wire A/C power cord.
  9. 999

    RCI 2950 Tx on multiple channels

    Quick... Is this the old one or the DX? (for clarity)
  10. 999

    What year did the HR 2510 go into production?

    I know the circuit boards are marked 1988. 89 seems to be when I first started seeing them in my area.
  11. 999

    OLD GALAXY SATURN EPT360011B

    That's what the schematic shows.
  12. 999

    OLD GALAXY SATURN EPT360011B

    According to the schematic they are 1N4148 diodes. This looks like a prepackaged piece for easier installation.
  13. 999

    OLD GALAXY SATURN EPT360011B

    Here is a paper from Texas Instruments on the diodes. https://www.ti.com/lit/an/sboa277a/sboa277a.pdf
  14. 999

    Grant XL Questions

    R131 is the AM modulation limiter. Q24 also is part of that, but also controls the ALC for SSB. Changing the other two resistors is also about trying to boost modulation. Personally I wouldn't do this mod, and if it had already been done, I would reverse it.
  15. 999

    OLD GALAXY SATURN EPT360011B

    D89 is the diode across the driver D88 and D112 are the diodes across the finals.
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