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Audioline 341 CB27/81 UK FM CB radio - extensive repair & reaiignment 

UK FM CB radio servicing
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Well the second set from my radio amateur acquaintance in Sheffield had previously been illegally modified to do CEPT channels & as usual had given the radio the kiss of death instead. After restoring the 8V line with numerous capacitors, finding two cut PCB tracks, taking off the front panel to sort out the crushed & short circuit leads of the TX light & replacing the duff flexitrack individual wires, the radio was in a fit state to be realigned. Then it was duff speaker time & a friend came to the rescue selling me a speaker recovered from a low hours donor set.
Anyway, it works fine now, scratchy corner test to follow later today. Time on the bench; 10 days!
Recorded from 26th December 2021 to 8th January 2022
Richard, G0OJF
Lincolnshire, UK

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22 авг 2024

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Комментарии : 21   
@joohop
@joohop 2 года назад
Great Work Richard Bless Up Fella
@Paperghost
@Paperghost 2 года назад
A pretty good start to the New Year I feel. Thanks for sharing.
@DJTonyCMP3
@DJTonyCMP3 2 года назад
Thank you very much Richard for the video 👏 I’m never worried about the length of your videos and wouldn’t even mind some time-lapse when you are doing some of the more more difficult ones but now more so while you are doing one radio a week
@kelnewman1446
@kelnewman1446 2 года назад
Richerd you should be teaching your skills 👍
@plaws0
@plaws0 2 года назад
That's what these videos are!
@scottyg721
@scottyg721 2 года назад
Hi Richard. Super video, enjoyed watching it! Had a few of the audioline sets in the 80’s & 90’s myself. Keep up the good work & look forward to your next video. Cheers & beers 🍻 The furry ferret (26UK007)
@Radiocruncher
@Radiocruncher 2 года назад
A mammoth detective job on that one. It’s a real pain when someone has done an 80 channel mod. Well done finding that dodgy resistor though. I have a 340 here with a bad voltage reg circuit in my to do list so this will help I’m sure. Regards Graham
@nigelwilson9846
@nigelwilson9846 2 года назад
Thanks for that Richard, much appreciated, you are a radio genius bringing these old treasures back to life. M1DED
@paulchapman1175
@paulchapman1175 2 года назад
Hi richard hyn good luck on repairing the audio line 341 cb radio from paul chapman 73s
@kenthetuner
@kenthetuner 2 года назад
Thank you Richard, for a great video. Your skills in the art of fault finding are amazing. I have the same Audio 341 cb that I saved from the scrap heap, it has the pll i/c missing.
@BoB4jjjjs
@BoB4jjjjs 2 года назад
Wow, a lot of work went into that set! Why do they think converting a set to 80 channels is a good idea? Why they never put a trimmer for the crystal has always mystified me! Fine in the day when you could order one up, but these days, it would cost a small fortune, plus it might not be that accurate when you did get it.
@ukfmcbradioservicingTango21
@ukfmcbradioservicingTango21 2 года назад
Altering to 80 channels always was illegal & most of the sets we see have ended up being killed by the silly mods. The odd one we find that 'works' prior to us removing it always results in vastly inferior performance. Richard
@SoddingaboutSi
@SoddingaboutSi 2 года назад
Could you fix a trimmer cap on the XTAL where fix cap is Richard?
@ukfmcbradioservicingTango21
@ukfmcbradioservicingTango21 2 года назад
Well if it goes out of spec I change the crystal. Bear in mind I don't do modifications so everything is how it left the factory. Richard, G0OJF, UK
@elektric666666
@elektric666666 2 года назад
Do you have service manual to Maxon SM-4050-NL?
@ukfmcbradioservicingTango21
@ukfmcbradioservicingTango21 2 года назад
yes, but I'm not scanning it as it's about 250 pages with A1 size diagrams!. They come up from time to time on ebay. The manual covers all variants of the PM150, which is what you need to be searching for. Richard, G0OJF, UK
@elektric666666
@elektric666666 2 года назад
@@ukfmcbradioservicingTango21 Can you mail me component list on the receiver board, its 2 capacitor i have to change. On Maxon SM-4050-SL and NL. Or i take a picture of the board and tell witch one i need to change?
@Radio478
@Radio478 2 года назад
Ok, confusing
@ukfmcbradioservicingTango21
@ukfmcbradioservicingTango21 2 года назад
what bit is confusing? I restored the 8V rail with various capacitors. Rewired the front panel. Found two cuts on the print around the PLL chip & sorted them out. Replaced the broken flexitrack with individual wires, did & full alignment & then replaced the speaker. Richard, G0OJF, UK
@Radio478
@Radio478 2 года назад
@@ukfmcbradioservicingTango21 sorry, just what someone has done
@ukfmcbradioservicingTango21
@ukfmcbradioservicingTango21 2 года назад
Aha...thanks for the clarification! Richard
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