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Tx on my ts430 as gone right down in pwr alc is very low also all ok on am band all leads and psu and mic all ok

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: cobra 148gtl

tomcat 1 back ...i have found the fault no modulation on am/usb/lsb.tr -23 a bc458 transister .replaced this transister and wow modulation on all 3 modes thanks zeppfrog for telling me where to look .

Posted on Mar 01, 2007

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  • 17 Answers

SOURCE: pro 640e

How are you testing the audio out?
Are you using another radio?
If so, are you REALLY sure the other radio is ok?
If the other radio is ok, how do you know the mic is ok? have you tested it with another radio?
If the mic is ok, id have a look at the mic socket to check that all the pins are still there. Then open the radio up and check the socket is still connected to the main board.

Let me know how you get on..
M3ODQ

Posted on Feb 02, 2009

  • 36 Answers

SOURCE: Very low TX output power on ALL HF BANDS ONLY. Other bands OK!

look for a broken or cracked board near the driver s & finals, try pushing around on the board with your plastic screwdriver, you may luck into it.

Posted on Jun 10, 2009

anymhz
  • 500 Answers

SOURCE: Magnum 257HP ,Poor TX audio , tried several mics

That mod that magnum does really ups the sensitivity. so much thats is too much. If that model has a switch for the compressor turn it off. It will help 100% and make it sound decent not twangy and over modulated. Just the design of these newer exports are not like the old ones.

Posted on Jan 06, 2011

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I need wire colors for CB microphone its a TRC


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Magnum 257 HP , no problem at all on AM or FM , modulation OK. SSB is distorted with low modulation , higher modulation seems to make it better but not consistantly . Used dummy load , BK CB tester w/2...


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hELLO THERE
hERE IS SOME MODIFICATIONS FOR THIS RADIO
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Hello, this problem is solved and how?
I have the same problem on HF and VHF 30Watt max output

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2M-25Watt

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thanks

Tuxon7@gmail.com

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1 Answer

Very low TX output power on ALL HF BANDS ONLY. Other bands OK!


look for a broken or cracked board near the driver s & finals, try pushing around on the board with your plastic screwdriver, you may luck into it.

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1 Answer

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