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. 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 Regards, Daniel (Gerroa, Australia) ------------------------------------------------------------------------ DanielTheGreat's Profile: http://forums.slimdevices.com/member.php?userid=13031 View this thread: http://forums.slimdevices.com/showthread.php?t=109016
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