User manual Casio Privia PX-400R (English - 49 pages)
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Casio PX-400R Privia Digital Piano with 88 Full-Size Keys and Grand Piano Touch (Stand Included), Hobbies & Toys, Music & Media, Musical Instruments on Carousell
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CASIO PX-400R PIANO USER MANUAL Service Manual download, schematics, eeprom, repair info for electronics experts