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Have a casio AP-60R power light comes on but appears no power to rest of keyboard anywhere all fuses seem ok is it the battery daughter needs it for uni help please

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regards
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Hello: Thanks for your feedback. I was surprised that the type of unit and manufacturer did not appear with the request for help, because without that information it made no
sense. However I did resolve the problem by experimenting with the controls and connections on the unit. Just got it.
Thanks again....

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