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Roland JV1000 no L side display (just squares). Cannot factory reset.

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  • Roland JV1000 no L side display (just squares). Cannot factory reset.

    Well, I tried a few things.

    First the reset. Not sure I can do it since I can't see the L side display. (if the option is chosen from the menus)

    Checked the voltages, all were good and clean. The 5 pin Reg (SI 3050R) has a reset on it, that didn't seem to be doing much, though when you powered down it went to zero.
    Normally I am used to seeing a quick pulse on the scope.

    Units has sound, and R side display is working. Buttons all function, but the rotary selector is not working. May be bad too.

    Came in pretty clean, so taken care of enough. Mem battery was changed too. I checked and it was good.

    The manual shows to test power on while holding Num 8 button, then Num 1 and Write. I tried many different ways. Does not work.

    TIA
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