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Call Sign : 26-CT-3697 Posts : 43 Times Thanked : 0 Join date : 2020-06-27 QTH or Location : Hemel Hempstead Hertfordshire Equipment Used : PRESIDENT MCKINLEY.RadioMoble / SIRIO GAINMASTER 5/8.Sigma Venom 1/2 wave. Age : 70
Subject: PRESIDENT MCKINLEY SSB NOT TRANSMITTING Sun Oct 30, 2022 1:17 pm
Hi all,
one for the techies.
I have a President McKinley about a year old has been expanded. Had no problems at with this radio on all modes. It suddenly stopped transmitting on SSB only seems to work fine still on AM and FM. If you key up on SSB and talk into the mic there is no swing on the Diamond SX-200 METER. TX comes up on display but radio draws VERY LITTLE current.
AM and FM seem fine.
Stephano.
Sharpshooter Major contributor
Call Sign : 163-CT-329 Posts : 485 Times Thanked : 13 Join date : 2022-04-05 QTH or Location : Deeside, Flintshire Equipment Used : A growing list
Subject: Re: PRESIDENT MCKINLEY SSB NOT TRANSMITTING Sun Oct 30, 2022 2:22 pm
Hi Stephano. Since SSB uses your voice to transmit power, have you tried a different mic ? Just a thought.
Victor, redsprite, Bones and babis3g like this post
glenn dog Major contributor
Call Sign : 56-CT-004 Posts : 451 Times Thanked : 11 Join date : 2019-08-23 QTH or Location : Oulu -Finland Equipment Used : ft-450d-mc kinley - cobra 19dxeu- lincoln+2 - superstar lord - grant 2 - tti hand held- alan42- crt mike cb - zodiac 68 hunting radio hand held- and few PMR 2
Subject: Re: PRESIDENT MCKINLEY SSB NOT TRANSMITTING Sun Oct 30, 2022 2:45 pm
Few weeks ago i had a Tx fail on the same rig, on SSB, I sent a carrier sig but very bad audio, was a bad coax connection, sorry can't help any more,
Victor, redsprite and Bones like this post
redsprite New Member
Call Sign : 26-CT-3697 Posts : 43 Times Thanked : 0 Join date : 2020-06-27 QTH or Location : Hemel Hempstead Hertfordshire Equipment Used : PRESIDENT MCKINLEY.RadioMoble / SIRIO GAINMASTER 5/8.Sigma Venom 1/2 wave. Age : 70
Subject: Re: PRESIDENT MCKINLEY SSB NOT TRANSMITTING Thu Nov 03, 2022 2:57 pm
Sharpshooter wrote:
Hi Stephano. Since SSB uses your voice to transmit power, have you tried a different mic ? Just a thought.
Hi Sharpshooter,
yeah I didn't have another mic to try at the time. I since borrowed a mic and tried it and SSB was working, I was using a KPO-532 power mic, which I have subsquently taken apart to find that because of such a strong spring on the PTT switch and over time "lateral movement" had loosened the PTT switch on the circuit board and can only assume it was shorting out, but not sure why it seemed to still work on AM and FM.
glenn dog, Victor and Sharpshooter like this post
Sharpshooter Major contributor
Call Sign : 163-CT-329 Posts : 485 Times Thanked : 13 Join date : 2022-04-05 QTH or Location : Deeside, Flintshire Equipment Used : A growing list
Subject: Re: PRESIDENT MCKINLEY SSB NOT TRANSMITTING Fri Nov 04, 2022 12:05 am
Glad you're sorted Stephano, This reminds me of when I wanted a triumph spitfire but bought a Mazda MX-5 instead. My thoughts were that I wanted to drive it and enjoy it rather than fix it every weekend. Then I missed tinkering
redsprite likes this post
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