Questions & Answers for: Yamaha 640 fine

...640 optical input (CD). Surround sound from DTV works fine, but no sound when I play a blu-ray DVD on the PS3. Is Yamaha HTR-640 a receiver? Try HDMI from PS3 to receiver or Sony HDTV. If HDMI from ...

when turning the volume knob i get static & loud feedback. does it need to be cleaned? Yamaha Model # CR-640 its old, yes. good luck

yamaha psr 640 model, recently change new rubber but,problem came again check the circuit board below the rubbers for dry joints or corrosion. check the MKS board.

Where, exactly, is the headphone jack on the dgx 640? I cannot find it anytwhere. Here you go: ...

yamaha cr-640 Turns on but produces no sound I look for a shop that is clean, professional, and leaves a good impression it will be taken care of, you should be able find a suitable one in Melbourne.

yamaha dgx-640 display We've only owned it for ONE WEEK and when turned on today, the display lights up, but there is no text at all. We looked through the book and their fix seems to be to ...

Yamaha DGX 640 - keys make odd sound I just bought my keyboard and some keys make an odd sound when played. When I press F, A#, and D at the same time (this happens on all octaves), they make a LOUD,

how do i connect hs50 & hs8s yamaha speakers to a portable keyebord yamaha dgx 640 you need a midi cable

I need access to the keyboard mechanism ofa yamaha dgx 640 piano.How to unmount the black wooden panel to get access without causing any trouble. Hopefully the attached will let you remove the base ...

Where can I get a manual for portable grand D6X640 Yamaha piano Do you mean the DGX-640? To my knowledge, Yamaha doesn't have a D6X line of keyboards. Most of Yamaha's manuals are available from their