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  • GEM piano

    From Asus@21:1/5 to All on Thu Jun 29 20:13:45 2017
    Anyone has got experience about GEM (General music) Italian maker?
    I've an expensive RP220 piano. After magnificent 14 years performances
    failed.
    Gem manifacurer failed and servicing is not available anymore.
    I've a good knowlwdge about electronics but no idea how theese gadgets work. Opened the case and among lots of boards I focused my attention to the mainboard because of a ni-mh battery faulty. Dameged copper lines were restored and now I'm hunting for the "custom made" battery.
    No idea what it is for. The piano, at switch on, shows just an illuminated display, nothing else, and no functions are available.
    Any idea to avoid scraping that excellent, exspensive piano?
    Here the service manual: https://www.manualslib.com/manual/833715/Generalmusic-Rp220.html

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  • From Asus@21:1/5 to All on Thu Jun 29 20:19:19 2017
    "Asus" ha scritto nel messaggio news:oj3g0t$11pp$1@gioia.aioe.org...

    Anyone has got experience about GEM (General music) Italian maker?
    I've an expensive RP220 piano. After magnificent 14 years performances
    failed.
    Gem manifacurer failed and servicing is not available anymore.
    I've a good knowlwdge about electronics but no idea how theese gadgets work. Opened the case and among lots of boards I focused my attention to the mainboard because of a ni-mh battery faulty. Dameged copper lines were restored and now I'm hunting for the "custom made" battery.
    No idea what it is for. The piano, at switch on, shows just an illuminated display, nothing else, and no functions are available.
    Any idea to avoid scraping that excellent, exspensive piano?
    Here the service manual: https://www.manualslib.com/manual/833715/Generalmusic-Rp220.html

    maybe this one is better:
    http://www.shema.ru/cd/us/2/data/rp220.pdf

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