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5string
New member Username: 5string
Post Number: 1 Registered: 4-2018
| Posted on Monday, April 30, 2018 - 9:41 pm: |
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I have two RCI 2950's (old style) both of these radios used to swing up to about 12-15 watts PEP with rf power all the way down which is about a 1 watt carrier. Now they only swing up to about 2 watts with mic gain wide open. When I turn the power up I still get the 10 watt dead key in the am mode but it swings backwards. I have tried adjusting the AMC VR with no improvement. Its just kind of strange that both of these radios do the same thing. Both radios work great on SSB with 20-25 watts out. My other radios seem to work fine on same antenna and watt meter. Thanks for any advice. |
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Tech833
Moderator Username: Tech833
Post Number: 2406 Registered: 8-2002
| Posted on Thursday, May 03, 2018 - 2:07 am: |
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Sounds like someone with a "golden screwdriver" didn't follow the alignment procedure from RCI and messed them up. You don't tune an RCI 2950 for "maximum power". Especially not the PA bias adjustments. Your radio 'Mythbuster' since 1998
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Dale
Senior Member Username: Dale
Post Number: 2343 Registered: 12-2002
| Posted on Wednesday, July 25, 2018 - 11:08 am: |
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i have to agree with tech 833. i think someone adjusted it for max deadkey in am mode .when they should done was max swing dale/a.k.a.hotrod cef426 cvc#64 454 [dx numbers] 38lsb
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Charliebrown
Advanced Member Username: Charliebrown
Post Number: 634 Registered: 10-2002
| Posted on Saturday, July 28, 2018 - 1:10 pm: |
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I think your power regulator might be bad. It is located when you face the radio on the right side toward the back. I agree with Dale and Tech 833. Also it is hard to tell what other damage could have been done by the golden screwdriver. Like a car, you run them wide open and never let up, something has to give |
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Centurion
New member Username: Centurion
Post Number: 6 Registered: 7-2020
| Posted on Tuesday, September 29, 2020 - 3:47 pm: |
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I have a 2950 as well it had a Sadelta mike on it the mike went bad and when i tried stock mike no forward modulation radio keys and shows modulation when it sends roger beep but not on talk into mike sadelta is dead pre amp circuit on board inside is not working have a new Ranger mike coming but would like some idea of what the sadelta might have done to radio! |
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Tech833
Moderator Username: Tech833
Post Number: 2473 Registered: 8-2002
| Posted on Monday, October 05, 2020 - 11:26 pm: |
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If the mic board went bad, it may have sent voltage down the audio line to the radio and damaged the radio's mic audio preamp. The 2950 doesn't need a "power mic" to work well. Your radio 'Mythbuster' since 1998
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Centurion
New member Username: Centurion
Post Number: 7 Registered: 7-2020
| Posted on Saturday, October 10, 2020 - 9:39 pm: |
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Thanks tech808 I was thinking something like that as for power mike it was with radio when i got it but i will be going back to the original equipment Ranger mike! Thanks again! |
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Centurion
New member Username: Centurion
Post Number: 9 Registered: 7-2020
| Posted on Monday, October 12, 2020 - 5:43 pm: |
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Sorry I put wrong Tech number it was Tech833 thanks again for the info! |
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Tech833
Moderator Username: Tech833
Post Number: 2474 Registered: 8-2002
| Posted on Wednesday, November 04, 2020 - 2:32 pm: |
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No worries. We're still friends! Ha ha! Your radio 'Mythbuster' since 1998
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Centurion
Junior Member Username: Centurion
Post Number: 13 Registered: 7-2020
| Posted on Sunday, November 08, 2020 - 5:45 pm: |
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To tech833 just an updATE 2950 came back fine just a bad mike and second mike i tried was just not compatible have a generic ranger replacement stock mic and it's working fine! |
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Tech833
Moderator Username: Tech833
Post Number: 2477 Registered: 8-2002
| Posted on Monday, November 09, 2020 - 11:00 am: |
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That's great news. Good work! Your radio 'Mythbuster' since 1998
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