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Kenwood ts50 My Kenwood TS-50 has developed a strange fault in that when I press the PTT on FM, AM and CW the power comes up to normal then every couple of seconds it drops almost to nothing then comes up again, this repeats until I let go of the PTT. The radio has been used for my SSTV repeater on 14.236 USB for nearly 4 years with no problems until a week ago I noticed that the power was way down from the 50 watts that it is set for. Tapping the case, using freeze spray or a hair drier makes no difference. Regards, Les vk5zw P.S. my webcam for SSTV is at www.vk5zw.com

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Hi Les, sounds like you have a hardware issue. Usually the power required to transmit is not readily available at your fingertips, so it is stored in capacitors. You may have some bad components in your Kenwood. Time to take it in for a review by a qualified repair tech. Unless you know what's going on inside the case, don't take it apart.

Posted on Dec 11, 2013

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It may very well be an interference problem. While the scanner may not have moved, there are many items around it that may be the source of interference. Think back to the time when the interference started. Did you install something new around that time frame? Perhaps a new computer, a new monitor, some new CFL light bulbs? Any of these items can cause interference. The other possibility is that the interference is coming from outside your home or office. While these sources may not be able to be corrected, you can do a few things to help reduce the effects of the intererence:
1. Move the scanner to a new location. Radio waves are tricky little things. You may be able to find a location where the interference is weaker, but your intended signal is still adequate.
2. Try moving the antenna. If using the rubber antenna that came with the scanner, try laying the scanner flat instead of upright.

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