The camera turns on, rewinds, stops, and all that but when I push play or try to view the video it's just a blue screen. It wont play any tapes that we have previously recorded. So basically it turns on and everything just no playback whatsoever

You have a clogged video head. It happens. Do not use the chamois again. Instead, purchase an 8mm head cleaner and give that a try. Only use a brand name cleaner - no generics, and make sure it doesn't come from China!

There might have been some sort of residue on the "bad tape" that you played in this camcorder. If you are only getting a blue screen when trying to play back your tapes now, you should try a head cleaning tape. Play the cleaning tape for 5 to 10 seconds and then try your tape again. If it is not all better, repeat this process (only in intervals of 5 to 10 seconds at a time). A head cleaning tape is a little more abrasive than your regular tapes. This will probably do the trick for you. Sony makes an excellent miniDV Head Cleaner. If you do not have one, your local camera shop may or you can find them online reasonably priced.

Hope this has helped you.
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please i am umber and we buy panasonic dv nv-ds5 please send me english languge manual this model and change the japniss language thankx

Video head is dirty / clogged. Use good quality Mini DV Head Cleaning cassette.

Have you tried playing the tape in a regular vcr with the VHS-C adaptor?

the head may be dirty, try cleaning the head with a cleaner tape and try recording again.

hmmm, then u have a diry drum head. Try a head cleaner first.

a sony cleaning cassette may clear the gunk from your friend ' s possibly ? bad tapes ( do not rewind it - or the gunk will be redeposited ) ; if still no video , get an estimate to have your heads and guides cleaned . . . professionally ;

Take the tape out to keep it safe, then remove the battery for 24 hours.

I have been experiencing the same problem with my Panasonic PV-GS120. I don't know the root cause or real solution, but I found if I keep playing the tape, rewind->play->rewind->play, eventually I would get the image back normal. I think I would try to clean up header with a header cleaner to see if it helps or not. If not, I plan to submit a request to Panasonic support to check out possible solution. Good luck.