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  1. C

    BIAS HELP needed RCI 2995DXHP

    The external has 4 ea IFR520 I believe being driven by 2ea IFR520. Looking it over and testing components. I came up with the following procedure but would like some knowledge and ask for criticism on the procedure.
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    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?
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    2995DXHP amplifier schematic?

    Anyone have a schematic of the RCI 2995DXHP? What Mosfets are used? Andrew
  4. 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...
  5. C

    CPI CP2000 Open Clarifier Mod Pic

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

    CPI CP2000 issue can use help

    Ok I figured it out 3 electrolytic 10uf had gone high aver 12uf so I changed out all of them turned on and everything is back to normal.
  7. C

    CPI CP2000 issue can use help

    Ok I tracked it down to a 1K resistor that was shorted, changed out and nothings getting warm / hot & receive stays for hours. New issue and I’m suspecting it was also caused by the shorted 1k resistor but I may be totally wrong. Channels 1-11 and 30-40 are all on frequency but remaining...
  8. C

    CPI CP2000 issue can use help

    Thanks, ya the first thing I checked against my pics, I took a Ron of pics prior to changing out the caps and everything is good. I’m going to change out the transistor maybe it shows good cold but has a thermal issue. If the new one heats up I’m expecting a resistor or cap going to ground must...
  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?

    I’m confused by the drawing a bit? TP 5 & 6 get jumped to 1? What is 1? Is that the 9 Pin connector on the end of the board?
  11. C

    CPI CP2000 clarifier mod?

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

    CPI Manuals needed

    Thanks!
  13. 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
  14. 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
  15. C

    Sams PhotoFacts Collection

    If you can email me as services@kb2lmn.com I will send over. You don’t happen to have TEABERRY STALKER XX SAMS?
  16. C

    Sams PhotoFacts Collection

    I don’t know if you’re still looking for the SBE LCBS-8 Owners Manual? I have a scan of it if you need it.
  17. C

    WTB: Robyn SB-540D

    Would depend on quality of the radio
  18. C

    WTB: Robyn SB-540D

    Ya I guess I should have been more specific huh? Good to great shape and working.
  19. C

    WTB: Robyn SB-540D

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

    Home January New Year's Giveaway: 3 Retevis Ailunce HA1UV Radios!

    I understand the rules and would like to be in the drawing. Thank you, Andrew
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