Originally Posted By: pwarren


Do you mean the internal power supply (VW+ connects to mains) or do you mean my mains supply?


Sorry, to me a power supply is a power supply is a power supply, does not matter if its external or internal.

Was talking with my Repair Technician Hat on. I would suspect a PS problem first if presented with the unit on my testbench. But if I checked things with the meter and the 'scope and did not find a power issue, of course then it would move on to looking at things like the bootup routine, which is often performed by separate small digital logic chips, these can fail sometimes in devices of this nature and cause thoase kind of problems as well.

Bottom line is that if you aren't test bench qualified in this kind of electronics, your best bet is to find the factory authorized repair for your area as they are best suited and equipped with service data, experience and backing from the parent company to handle this sort of thing. That goes double, no, triple, if the thing is still under warranty.


--Mac

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