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  1. sunbulls

    Royce 1-606 Restoration

    With our Royce dealership, the 606 and the 600 was among the early 23ch radios we sold. Except for size and features, both had similar 37Mhz crystal matrix circuits. Royce also used two transformers in their audio chain. One thing you could say about their electrical engineers, for better or...
  2. sunbulls

    Upcoming solar eclipse.

    As with most of Western NY, no special glasses were necessary. We had very heavy cloud cover all day. Except for all of the small businesses in the Buffalo area that raked in big profits, many viewers were somewhat disappointed. Nonetheless, at least for me, it still was an experience to...
  3. sunbulls

    Upcoming solar eclipse.

    I will be able to see 2m 31.3s of totality from my front yard. I usually take the dog out around that time, but I’m thinking about leaving him in the house. He doesn’t pay any attention when I turn on and off my ceiling sun :giggle:, but I fear his outside world view may be different...
  4. sunbulls

    Sams PhotoFacts Collection

    This is my enhanced PDF version of this Sears radio, and the almost complete spliced version of the schematic. As you can see, only a few connections and components are missing in the gutter area of the book that didn’t get scanned.
  5. sunbulls

    Sams PhotoFacts Collection

    This is my enhanced President Grant PDF with separate JPG schematic. It has been spliced together for viewing on a large monitor.
  6. sunbulls

    2SB525C transistor cross reference help.

    Only after you replaced the caps or other possible components that may have caused the original transistor to burn out in the first place, would I then go with the NTE that you already purchased. It’s easy enough afterwards to test for heat with your fingers. Depending on how hard it’s being...
  7. sunbulls

    2SB525C transistor cross reference help.

    As replacements, I often purchase the old NTE or the ECG line of transistors. I like the sealed packages they come in. That helps avoid fakery. The pin-outs and specifications are also clearly marked on the package. In your case, an ECG294 or NTE294 should work fine.
  8. sunbulls

    Would like to see some pictures of your pet's.

    This is our English bulldog Oscar. He is a relative of my avatar Tubby that passed away several years ago.
  9. sunbulls

    sbe console II SSB

    :cry:(n)
  10. sunbulls

    Working on a Yeasu FT-101EE Converted to 11Meters

    I would replace them with a 12v warm white bayonet bulb. They’re commonly used as an automotive replacement. In doing so I would also remove the 100 ohm resistor as shown in the schematic and experiment with a much higher resistor to achieve your desired brightness. To be on the safe side I...
  11. sunbulls

    Old school Midland 23-105 multimeter

    Gotta love those old analogue multimeters! They usually contain a selector inside that looks like something to be used in a high power antenna switch. Generally, that’s the first thing that goes bad in most modern day digital multimeters.
  12. sunbulls

    Looking For A Service Manual For A Uniden Pro 538w CB Mobile Radio

    This is my final cleaned rendition. Unless the pages were wired together or had associated circuit boards, they were separated and orientated vertically for monitor viewing. Page 30 was missing.
  13. sunbulls

    Old school Midland 23-105 multimeter

    I’ve been playing with my NOS Midland tester. It’s the one on right. As an example, I also included the photo of a Micronta meter. You will find a number of similar models with slight differences. Notice the batteries are still in the wrappers. While removing the back, a red tag fell out that...
  14. sunbulls

    Looking For A Service Manual For A Uniden Pro 538w CB Mobile Radio

    I always scan in color at 600 DPI. Depending on the particular scanner or software driver, gray scale could possibly be something less than 256. Scanning in full color assures me that will never be an issue. To save on file size, the document is later converted to gray scale using a paint...
  15. sunbulls

    Looking For A Service Manual For A Uniden Pro 538w CB Mobile Radio

    Its something to do in my spare time. I’ll split the pages, and do my enhancement thingy…
  16. sunbulls

    Alternative to Channel 19

    My ideal radio for truckers in particular, would have the capabilities of working on either Ch19 or some other UHF frequencies, along with some new antenna designs that will cover both. IMO It’s too tough to convince most buyers to purchase separate radios, but a single system will introduce...
  17. sunbulls

    DIRECTV LATIN AMERICA SUCKS !!

    Since the Bills kicked wide right again, the only attraction in another Chiefs game around here is the occasional shots of Taylor Swift.
  18. sunbulls

    Cobra 148 gtl 1993 philly version

    I copied and pasted Nomads info into Word, and saved it as a Doc file for my 3 layered backup archive.
  19. sunbulls

    Sams PhotoFacts Collection

    Great start ! As another hoarder, I also took it upon myself to arrange these files, enhance, plus crop to save file space.
  20. sunbulls

    KL503HD AMP

    See attached PDF for detailed info...