StarshipUK Posted December 13, 2016 Share Posted December 13, 2016 I bought a Atari Lynx 2 off EBay where the seller said sound was working. It has arrived and the sound is not working. I have also tried headphones and I am just getting a crackling noise and no sound. A very light crackling noise is coming through the speaker. I also tried using external power, so its not a low battery issue. Is non working sound on these an issue or a possible easy fix or is it best I return it and get another with working sound? Quote Link to comment Share on other sites More sharing options...
Krip316 Posted December 15, 2016 Share Posted December 15, 2016 Well, the first thing that comes to mind is do a full cap replacement. Is the sound low? Some caps might be bad, and/or the speaker itself is bad(you can get an upgrade speaker from Best). If you're not electronics savvy, just return it. Quote Link to comment Share on other sites More sharing options...
Orange-Phantom Posted December 15, 2016 Share Posted December 15, 2016 If it was sold as working I'd send it back. You could spend the time re-capping it only to find it's something else! Quote Link to comment Share on other sites More sharing options...
cowdog360 Posted December 15, 2016 Share Posted December 15, 2016 So I've had this happen on a customer's Lynx. What I ended up doing that fixed it was resoldering all of the sound amp IC's.. things just mustve came loose over the years from being dropped. Quote Link to comment Share on other sites More sharing options...
ATLynxer Posted December 16, 2016 Share Posted December 16, 2016 (edited) So I've had this happen on a customer's Lynx. What I ended up doing that fixed it was resoldering all of the sound amp IC's.. things just mustve came loose over the years from being dropped. Same issue on a Lynx II I'm trying to repare (totally recapped)....only crackling noise from the speaker and also from headphones if I connect them. Excuse me, which IC? U7 ? I resoldered its pins but nothing changed... Edited December 16, 2016 by ATLynxer Quote Link to comment Share on other sites More sharing options...
ATLynxer Posted December 17, 2016 Share Posted December 17, 2016 ...tried also to change U7 with the one frome another Lynx but it's the same, it's not U7 Any idea on which compontent could it be the issue? Quote Link to comment Share on other sites More sharing options...
ATLynxer Posted December 17, 2016 Share Posted December 17, 2016 I do all by myself.... REPAIRED! It was....U5 or U12 Those are the audio amp. I had two not working Lynx.... so.... I substituted the two audio amps with the others two taken from the other not working lynx and now the console is 100% working afther that it was 0%! Great! At least one on two! I don't know if the issue was exactly U5 or U12....or both..... because I changed immediately both the ICs to try.... but now I don't want to try changing again one by one to find the real guilty. I see that the component name is NJM2073 Unfortunately on Ebay you can find only NJM2073M and I don't know if it is good as a plug and play spare part. There is also NJM2073B but it has different kind of pins...(anyway it could be adaptable...I really don't know) 1 Quote Link to comment Share on other sites More sharing options...
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