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nomadradio's latest activity

  • nomadradio
    nomadradio replied to the thread Palomar 225 w/2 MRF 455's.
    That resistor is in series with the radio's drive power to the transistors. A pair of MRF455s only needs about ten or twelve watts peak...
  • nomadradio
    nomadradio replied to the thread Help with Golden Eagle 150 linear.
    It's an AM-only linear that has a switch marked "SSB" on the front. It's not there because it's useable, it's there because buyers...
  • nomadradio
    nomadradio replied to the thread AL-811H problem/ question.
    Sure makes it sound like there's a 'glitch' resistor that's popped in line with the HV to the anode choke. A DC meter that can safely...
  • nomadradio
    nomadradio replied to the thread CPI 2000 issues.
    A 'scope is just a voltmeter with a dot in place of a meter needle. Positive voltage and the dot moves up. Negative input to the...
  • nomadradio
    nomadradio replied to the thread Yaesu FT-101E repair.
    The smaller, burnt resistor is R5, a 5.1k 5 Watt resistor. It's in series with the 12BY7 driver tube's screen grid. When R5 goes open...
  • nomadradio
    nomadradio replied to the thread CPI 2000 issues.
    This has been our policy for replacing any DIP-package chips for decades. You can reduce the heat stress to the circuit board foils by...
  • nomadradio
    nomadradio reacted to Hawkeye351's post in the thread Another Saturn issue with Like Like.
    Yep, you were 100% correct Brandon. I yanked out FL2 and replaced with another one. BAM, AM receive immediately jumped up to exactly...
  • nomadradio
    nomadradio replied to the thread Browning mk3 transmitter issues.
    Found another on the GE Superbase thread: https://www.microchipz.net/vco-units 73
  • nomadradio
    nomadradio reacted to TM86's post in the thread TRC-448 repairs with Haha Haha.
    When it's that or throw it against the wall, I'll put it on the shelf every time. I did the drywall in here, I don't want to have to do...
  • nomadradio
    nomadradio replied to the thread Browning mk3 transmitter issues.
    There was an Ebay seller in England selling replacement VCO modules for Cybernet-made CBs. Can't remember the name. The tuning slug in...
  • nomadradio
    nomadradio replied to the thread Browning mk3 transmitter issues.
    Yep, those are called "K-Tran" IF/RF transformers. They tune with a cup core on the outside of the winding, rather than with a hollow...
  • nomadradio
    nomadradio replied to the thread Wawasee JB-2000 issues.
    The HV filter caps all look original. Can't make out date codes printed on any of them, but I'm pretty sure that brand "Industrial" has...
  • nomadradio
    nomadradio replied to the thread Browning mk3 transmitter issues.
    Cans? As in slug-tuned IF/RF transformers? Yeah, most of them. T1 doesn't. It relies on C11 to tune it to resonance. The rest of them...
  • nomadradio
    nomadradio replied to the thread Browning mk3 transmitter issues.
    How many of the 10 or 12 electrolytic capacitors have been replaced? If any of them are original, this is trouble in the making even if...
  • nomadradio
    nomadradio replied to the thread Reduce rci 69 plus dead key further then radio knob allows.
    Whupsie. Much bigger. My bad. Forgot how large that model's transmit power is. 73
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