Re: Squeezebox v3 (Classic) remote repair kit

DanielTheGreat wrote: 
> Sorry, but a replacement SB3 main board is not going to happen, from me
> at least.  Compared to reverse-engineering a single- (or even double-)
> sided PCA, doing that for a multi-layer PCA is a horrendous task.  It
> would never repay the development cost, given the niche market it's
> for.
> 
> Even the replacement remote PCA has not/will not repay its cost (huge
> PCB manufacturing setup cost for blind vias and gold finish!).  The only
> reason I did it was that I *had* to because I had so many non-working
> remotes and didn't want to spend money on second-hand replacements that
> might also be on their last legs.
> 
> Of course, if Logitech would send me their full circuit diagrams for the
> SB3 (about as likely as finding a way to turn lead into gold!), that
> would make a replacement PCB a relatively simple design task, but
> despite Logitech not making them anymore, for some reason they seem
> reluctant to support existing users.
> 
> Now, getting to your SB3 that frequently reboots, I have a suggestion. 
> Some time ago I had one of my SB3s that would occasionally reboot for no
> apparent reason (not often; maybe once per month or so).  I suspected a
> power supply problem, and swapped the plug-pack for one from another of
> my SB3s.  Fixed it – no more reboots.  So then I put the 'suspect' power
> pack on the bench and tested it – seemed fine: correct voltage even
> under load.
> 
> After a bit more swapping back-and-forth and confirming that one was
> reliable and the other not, I eventually noticed something different
> about the DC connectors.  The 'dodgy' one had the old-style 'barrel'
> connector, and the reliable one had the much better 'fork-style'
> connector.  It then seemed only logical – the barrel style has no
> springiness to ensure positive contact with the centre pin of the mating
> connector, and sufficient vibration will cause it to momentarily lose
> contact, causing the SB3 to reboot.
> 
> Thereafter I went round ALL my devices (not just SB3s) that use DC
> connectors, and replaced all barrel style ones with fork-style ones. 
> Subsequently, I came across this YouTube video that demonstrates the
> problem beautifully:
> https://www.youtube.com/watch?v=2YizLzyQ2PQ
> 
> Maybe your frequently-rebooting SB3 has one of these 'bad' connectors,
> and is subject to more vibration than mine was, and thus reboots more
> frequently?
> 
> Daniel

@danielthegreat


I know this is an old thread, but I found the video and info on barrel
and fork connector very interesting. Before watching the video I would
have said everything in my house is a barrel. But after looking at some
they are in fact fork and I never noticed it.


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