Turns out this was not the manual i was looking for. The concertmate 670 keyboard i have is a "Realistic" model made for Radio Shack and none of the diagrams on the owners manual i received matches up. HOWEVER, I must say the service Owners Manual provides was fast and efficient by being available online. The manual was in good readable condition and easily downloaded.
Thank´s for your help, I already recived these manual from you
Text excerpt from page 2 (click to view)
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INNEH�LLSF�RTECKNING
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TV�TTMASKINEN OCH DESS UTRUSTNING MILJ�R�D S�KERHETSF�RESKRIFTER ATT FLYTTA OCH TRANSPORTERA TV�TTMASKINEN SORTERING AV TV�TTEN TV�TTMEDEL OCH TILLSATSER F�RGNING OCH BLEKNING VAL AV PROGRAM OCH SPECIELLA TILLVALSFUNKTIONER / ATT STARTA PROGRAMMET LUCKL�S / ATT AVSLUTA PROGRAMMET ATT V�LJA NYTT PROGRAM ATT TA BORT N�LF�LLAN / T�MNING AV KVARBLIVET VATTEN UNDERH�LL OCH RENG�RING BARNSP�RR FELS�KNING SERVICE INSTALLATIONSANVISNINGAR