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  1. CbRadiosPRONTO

    Texas Star DX350 - SSB delay causing loss in power output

    35 Watt input SSB to Taxes Star DX350 @ 13.8v. 338 Watts Peak Envelope Power. Working perfectly. However, once the sideband delay is pressed on the amp, power is cut down 100 watts. Similar issue w/ AM carrier. 3W input=140w out (seems high) When AM button is pressed, power drops. I just...
  2. CbRadiosPRONTO

    HP 8656B Signal Generator 1KHz tone at 993Hz — Adjustment Location?

    The modulated 1000Hz tone is 992 Hz. The service manual is like 400 pages. I do not want to do a real calibration by the book. Id like, simply, to turn a pot, if possible. It generates an accurate RF signal. It’s just the tone that’s off. Anyone familiar enough to point me in the direction of...
  3. CbRadiosPRONTO

    Cobra 29 LTD Classic & Chrome FM Radios are Here

    Cobra 29 LTD Classic & Chrome FM Radios are Here Well, that’s a little anticlimactic. It’s the same radio, feature wise, except FM. Push the channel selector for FM. Hope it’s ok, I’m quoting NZ8N from another post about the 29LX —————— NZ8N [begin quote] The PLL in this latest generation...
  4. CbRadiosPRONTO

    Cobra 29LX Changed Again

    I started a thread back in Sept of 2021 about the Cobra 29LX being surface mount technology. Like other manufactures, Cobra has been hit and miss with inventory and I recently was able to grab a couple dozen of the 29LX. Not knowing what to expect, I opened one up and what I found was a...
  5. CbRadiosPRONTO

    ISO B&K Precision 1823a Frequency counter - Discontinued - replacement(?)

    B&K discontinued these units. I’d like to buy one new or used in good condition. If I can’t, I’d obviously be open to something else. Do y’all have any ideas on something similar? These units were reasonably priced between $400-$500. It seams like similar featured units run a few thousand...
  6. CbRadiosPRONTO

    And so it begins - Cobra’s “New” Generation Surface Mount Technology

    Remember when you didn’t have to think much because you’d been inside a Cobra 29 13.7 thousand times? Hashtag “GoodTimes” Well, it’s still the same basic setup and, strangely, still no mosfet. Here’s a peak at the Cobra 29LX. Semantics? Mosfet conversion? Swing kits? It’ll be fun watching...
  7. CbRadiosPRONTO

    Uniden BC906W Wireless Microphone Pin Out

    Anyone have the pin out for the bc996w mic? This is how I received it. Black White Red Orange Shield Clear-ish
  8. CbRadiosPRONTO

    Galaxy DX-99V2 Key Up Issues - key up and no key up

    I’ve recently had 3 99v2 radios keying up when they shouldn’t. Normally, it’s an issue of two legs on the mic board shorting. Recently, however, it has been an issue of the echo board pinching one of the wires that is soldered to the Band knob pot. These echo boards don’t have enough space and...
  9. CbRadiosPRONTO

    Replacing Weller WESD51 - Recommendations for best soldering station

    I’ve used the Weller wes51 for about 10 years. This is my second and it’s time to replace it. I’d like to upgrade. I’ve replaced the iron a a few times and many tips. They don’t last. Recommendations for the best units under $300, please. Mostly through board components.
  10. CbRadiosPRONTO

    Galaxy dx-55f High SWR & Warning Light

    Galaxy dx55F High SWR and warning light. Using dummy load or antenna (both of which are at about 1.1 swr) this 55F shows between 2.5-3 swr and the warning light lights up during modulation. It’s only in this radio. Coax is not an issue. I’ve even hooked up directly to the dummy load and the...
  11. CbRadiosPRONTO

    New Ranger 39VHP—Low RX audio - almost none

    A new radio came in with low RX audio. Volume cranked, ear to speaker, then I can hear it. Rf gain level is up and signal meter responds as it should so the rf is there. The audio is just almost nonexistent. Note: TX and Talkback audio is fine.
  12. CbRadiosPRONTO

    DX-99v2 - 690011D board - Same as DX-959 — No AM receive

    No AM Receive No FM receive USB and LSB receive works fine TX works on all modes Everything else works PA Works New radio. Didn’t notice issue til after frequency alignment and open clarified mod. Reverted back to stock. Rechecked work.
  13. CbRadiosPRONTO

    Galaxy dx2547 (959) No squelch

    cannot engage squelch (constant static). Squelch pot is adjusting correctly 0-50k. The problem is on both AM and SSB, however I check Vr3/d15 and vr4/d35 anyway, and they're good. Should I be looking at IC1 or possibly a transistor? I don't have a voltage chart. Suggestions?
  14. CbRadiosPRONTO

    Cobra 29 NW ST WX - weird problem

    Difficult explanation...I'll briefly describe symptoms and skip to the weird stuff. TX modulation drops to nothing after a few seconds of keying. RX audio is faint, though the meter shows RX is working. Sounds like it's off frequency but isn't. Turn on SoundTracker and it improves the RX...
  15. CbRadiosPRONTO

    CbTricks.com FORUM - MEMBERS

    Been a member of cbrricks for years. I normally log on quite often. However, not logged on for probably 3-6 months. Now I can't. It says database error. Please don't respond with random guesses. 1.Is anyone else able to log onto the FORUM? 2.Do you know why I am having this issue today?
  16. CbRadiosPRONTO

    Dx959 New - mic board/talkback issue

    RESOLVED *** New radio. Plugged in. Turned on. Upon plugging in microphone, radio would shut off. Inspected the mic board. Two legs on the transistor of that board were touching. Cleaned up solder. Problem FIXED. Plugged mic in and keyed up. Just one problem, No Talkback. Everything else...
  17. CbRadiosPRONTO

    Stryker 955 frequency display calibrate

    Adjustment for the frequency display on the Stryker 955? Is there a pot or menus setup adjustment? Need the software?
  18. CbRadiosPRONTO

    The radio's chassis shows +12v - yeticom optima

    Smoked L405 so started poking around. Chassis ground shows 12v positive. ?
  19. CbRadiosPRONTO

    Pyramid ps36kx going into protection mode

    ps36kx going into protection mode when turned on. +/- short. Protection diode is ok but it appears there is a short to ground with a transistor. I cannot find anything in this transistor on the net. Looking to replace this transistor N416 GKDXW U MAR 138
  20. CbRadiosPRONTO

    Pyramid power supply issue

    ps36kx going into protection mode when turned on. +/- short. Protection diode is ok but it appears there is a short to ground with a transistor. I cannot find anything in this transistor on the net. TYN416 GKDXW U MAR 138 See pic