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RCI 2980wx

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RCI 2980wx

Post by 1 ADAM 12 » Sunday, 20 November 2016, 15:22 PM

I have a RCI 2980wx connected to an Imax 2000. I have not talked on this radio in a couple months. I noticed today that the left meter, which shows SWR and watt output, does not read any type of measurement whatsoever. I adjusted the calibration knob and flipped the "calibration/SWR" switch several times to get a reading. I got nothing. I then connected a SWR meter to check the SWR. After turning the RF knob to maximum output, I attempted to check the SWR. The needle on the SWR meter would not move at all to gain a forward or relfected reading. Apparently this radio has no transmit. The radio was receiving perfectly. Do I have a blown final? If so, what caused that?
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Re: RCI 2980wx

Post by MDYoungblood » Monday, 21 November 2016, 10:12 AM

I would say yes to the blown final, I have read on a couple other forums of the same thing, they popped for no reason. It could have been a close lightning strike or even a static discharge to a spike in voltage when the radio was turned on. They are nice radios and worth getting fixed.

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Re: RCI 2980wx

Post by 1 ADAM 12 » Monday, 21 November 2016, 12:08 PM

Thanks for the response. I have called a local technician. He agreed with the finals being the problem. He said it could also be a regulator problem. We shall see.
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Re: RCI 2980wx

Post by MDYoungblood » Monday, 21 November 2016, 12:51 PM

I would ask him about what he thinks of changing the driver and finals to EKL-2030's, the originals are 2SC2166 and 2SC2312's.

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Re: RCI 2980wx

Post by 1 ADAM 12 » Tuesday, 22 November 2016, 8:30 AM

MDYoungblood wrote:I would ask him about what he thinks of changing the driver and finals to EKL-2030's, the originals are 2SC2166 and 2SC2312's.

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What is the benefit of the EKL-2030 as opposed to the originals?
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Re: RCI 2980wx

Post by MDYoungblood » Tuesday, 22 November 2016, 8:44 AM

The 2030's are a tad more robust and easier to obtain, cost is about the same with the originals being slightly more.

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Re: RCI 2980wx

Post by jessejamesdallas » Tuesday, 22 November 2016, 14:53 PM

Just wondering....Have you tried a different Mic?

Sometimes it's just the simple stuff...
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Re: RCI 2980wx

Post by 1 ADAM 12 » Wednesday, 23 November 2016, 6:58 AM

jessejamesdallas wrote:Just wondering....Have you tried a different Mic?

Sometimes it's just the simple stuff...

Local tech has the radio now. He said finals were good and mic was good. He said the problem is in one of the capacitors and he has not been able to locate it yet. Will update as soon as I hear something.

-- Nov 24th, '16, 20:43 --

I have my radio back. The problem was a bad transmit crystal.
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Re: RCI 2980wx

Post by MDYoungblood » Saturday, 26 November 2016, 12:24 PM

Now that is not unusual but surprising. Thanks for the update.

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"321, the Middle of Maryland"

23 AM "WORLD Image WIDE" 38 LSB

Strong Supporter of America's Original Homeland Security Act
The Second Amendment


Base
Uniden Washington
Mobile
Texas Ranger TR-696FD1C
Handheld
Maxon HCB-40WX
Antennas
Avanti Sigma II
Homemade Full Wave Loop
Homemade 1/2 wave Dipole
Hustler 102" SS Whip and Hustler Ball Mount

Official Moderator - CBRT Complaint Department



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Re: RCI 2980wx

Post by 1 ADAM 12 » Wednesday, 21 December 2016, 18:53 PM

Another problem has surfaced after the transmit crystal. I noticed tonight that my channels outside the "normal 40" are not in correct sequence. Channels 1-40 (26.965-27.405) are in correct sequence. The freeband channels are not even close to correct. "Upper channel 1" (27.415) actually reads 28.865. None of the other freeband channels are what they should be according to a chart that outlines a 12 band radio. Could this new transmit crystal have affected my frequencies?
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