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Some issues with LA-200

I used to be a happy LA-200 user. Everything was ok until I left my home for a week and switched all electricity off.
When I returned and switched all devices back, LA-200 plays sound for a while (about 30 mins) then the sound stopped. Only complete reload (power supply off-on) could help. Afterwards the same story - playing for 20-30 and then no sound... Quite annoying...
I use USB connection to my computer (Windows 7).

Could you please advise - how to cure the issue?


Re: Some issues with LA-200

It looks like something is destroyed .I suspect the external power supply is the reason. Could you try another power supply (a laptop power supply is ok for test max 22V).