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Search results

  1. C

    President Madison V4 PC-411AD Board NO Power Out

    I cant find a readable schematic is issue 1 Cant see on wattmeter at all but can see it on Spectrum Analyzer 20db attenuator Ref 0 to -100dbm keyed seeing -30 dbm and on frequency. When i received the radio TP7 & 8 were disconnected after seeing no power out I noticed it. Hooked TP7 & 8 back...
  2. C

    Schematic needed, President Madison newest version

    I’m looking for a good schematic for Madison V4
  3. C

    FS: Lab Equipment, SAA-2N Vector Network Analyzer & BK Precision True RMS meter

    SAA-2N was used once and I just upgraded firmware and the BK Precision is in A+ Condition and tested on my Fluke 5100B (Calibrated last year) I’m looking for $75 each shipped and insured. Would consider trade for BIRD 43 Type Wattmeter. Thanks, Andrew
  4. C

    RCI 2995DX power issue

    I’m only seeing 1.7 - 10 watts output on AM and 0 - 10 on SSB I checked Q66 VR (2SB754Y) and I’m seeing 12v at all 3 legs. I popped off the legs and I’m seeing on the CPU Pads 13.7V, 1.2V & 1.4V??? Should I be seeing voltage on the 2 contacts? I know the 13.7 is ok but not sure about the other...
  5. C

    BIAS HELP needed RCI 2995DXHP

    I had replace IFR520 and the 4 Mosfets in the amp luckily they just let go and didn’t cause much damage. I’m looking for the correct way to set bias on this rig and from what I’ve been reading it looks like procedure in the manual is no good. Does anyone have the correct procedure?
  6. C

    2995DXHP amplifier schematic?

    Anyone have a schematic of the RCI 2995DXHP? What Mosfets are used? Andrew
  7. C

    CPI CP2000 power balance issue

    Ok guys I finally got the CP2000 working but I’m having an issue balancing power output across all channels. I followed the procedure in the service manual but it gives the same result. I’m showing 4 watts on channel 1 but when I go up in channels the power rises a bit on each channel till it...
  8. C

    CPI CP2000 Open Clarifier Mod Pic

    Here is a pic of the clarifier mod as the cbtricks can be a bit confusing.
  9. C

    CPI CP2000 issue can use help

    I have a CP2000 that RX is good till it gets warmed up the it drops back. I thought possible bad electrolytic so I did a complete electrolytic replacement on entire radio but still same issue. The radio is 100% stock no mods. I checked around with a FLIR and found transistor (17 marked on board...
  10. C

    CPI CP2000 clarifier mod?

    Anyone have a clarifier mod for the CP2000? Thanks!
  11. C

    CPI Manuals needed

    Guys I’m looking for the following manuals. BC 2000 Base Console WM1000 watt meter FT76 Time/Frequency Counter HF 150 Linear Amplifier Thanks for any manuals you may have. Andrew
  12. C

    Cobra 4 pin to cpi 2000 4 pin ?

    Can anyone tell me what the adapter wiring would be? I have a cobra 4 pin mike and want to make an adapter to cpi 2000. Thanks Andrew
  13. C

    WTB: Robyn SB-540D

    I’m still looking for a SB-540D if anyone has one they want to sell.
  14. C

    RCI 2980WX No Power out?

    Radio receive is good all modes. Green power lite indicator on front blinks low to high. I can see some modulation on the radios meter in AM only, I also hooked scope to output and verified have modulation on AM but nothing else. Radio has NO mods is 100% factory. TP7,8,9 I see 6.3vdc RX &...
  15. C

    RCI 2985wx 11 meter mod?

    Guys, does anyone have the 11 meter mod for this radio? Drew
  16. C

    RCI 2995DXHP low power no receive

    RCI-2995DXHP No receive on all modes & when connected to load on USB Signal Meter goes to S9, LSB S3, CW S4. AM FM & PA S0 Unit is only putting out dead key 2.5w and 28w modulated on AM, USB & LSB 26w modulated. That’s with amp in line, when I pull the J22 amp key I’m seeing 0.3w dead key and...
  17. C

    SR-955HPC capacitor C54 identification? SMD

    Guys I found C54 on my radio is NO GOOD and I'm not familiar with SMD type. I see on the schematic its a 103P. I'm just not sure what to order from Mouser or Digi Key? I believe it's a .01uf 10V 0% but not sure on size or if I even looked that up correct? Crambone
  18. C

    STRYKER SR-955HP very, very, very low power

    I was using my SR-955HP and it just went almost dead. I tested Q25, 45, 46 & 47 and they tested good with a cheap Chinese tester. Since I had the desoldering I just replaced them all with IRF520’s. I’m seeing the following voltages on them. Any help would be apreciatted. Q25. G. D...
  19. C

    WANTED: Robyn SB-540D

    Anyone looking to get rid of a Robyn SB-540D let me know or if you know anybody ? Drew
  20. C

    Need a D104 measurement?

    I’m looking for the measurement for the 2 screws that hold the internal board / strip in at the bottom of the base? Center to center