JacT Posted January 6, 2017 Report Share Posted January 6, 2017 Hi, I have seen a similar fault described on the forum somewhere but cant find the thread again - sorry. I have a betapack 1 that has just developed a fault: Channels 5 & 6 do not work - neither with control from a demux unit, or on manual overridde per channel. Simply no output. The channel fuses for both channels are fine. I have memories suggesting it is likely to be in the control circuitry somewhere as channels are controlled in 2s somewhere?? but would appreciate any further enlightenment. The unit is 20 years old, and aside from fuse holders getting snapped, has had no issues to date, bless it. Many thanks! Quote Link to comment Share on other sites More sharing options...
kgallen Posted January 6, 2017 Report Share Posted January 6, 2017 Likely candidate is the 100k sync resistors. I've posted on this so will try to find the details for you. Here - Just a couple of topics down in this same sub-forum: http://zero88.com/forum/topic/7712-betapack-1-channel-fault/ Quote Link to comment Share on other sites More sharing options...
KWR88 Posted January 7, 2017 Report Share Posted January 7, 2017 Yes the 100k resistors or the 10uf cap either failed or a dry solder joint on it would be the first place I would start looking at on the mk1 Quote Regards, Keith Rogers Zero 88 Support: support@zero88.com Link to comment Share on other sites More sharing options...
JacT Posted January 9, 2017 Author Report Share Posted January 9, 2017 Thanks for the responses Quote Link to comment Share on other sites More sharing options...
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