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Hello I have a vinatge nakamichi CR-4 that has a recording lights still on problem with it when it not supposed to be on when it powers up.

What its doing is that both the L/R channels should be out when it powers up but never on at all before recording any tapes. Any suggestions to this would be appreciated.

Posted by John Jusko on

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3 Related Answers

Anonymous

  • 15 Answers

SOURCE: VHS Recording Tape

not much of a help but sounds like your record head is bad on the vhs heads,

use cleaning tape try that, if that fixes great, if it helps but not fully there, you might have to clean them by hand with very soft paper town and rubbing alcohol rub side to side very easy , if none of the above work you have a bad record head or record board, not worth repair vs cost
good luck

Posted on Feb 05, 2008

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Michael Borelli

  • 979 Answers

SOURCE: Picture flips whill playing tape recorded from cable TV station

All tapes do this, or only ones made on this machine?...accordianman

Posted on Feb 15, 2008

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Rob Galayda

  • 54 Answers

SOURCE: Nakamichi CR-4 Only Recording on One Channel...need help!

Hmmm.....heres a really stupid question but........is the head clean ? There may be a bit of oxide shorting the one side of the head out. Try cleaning the head with a q-tip and some 99% pure isopropyl alcohol. If you have done that ( you seem to be more knowledgeable than most ), I would suspect either the circuit that drives the right channel record head, or the head itself. Is the head running flat against the tape?. Is there a record/play relay or record relay somewhere in the circuit ?. I think at this point you really need a schematic. Do you have the AC oscillator signal ( bias ) present on the right record head ?. I would try this first, then look into a manual.......Good luck...Rob

Posted on May 09, 2008

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Hmmm.....heres a really stupid question but........is the head clean ? There may be a bit of oxide shorting the one side of the head out. Try cleaning the head with a q-tip and some 99% pure isopropyl alcohol. If you have done that ( you seem to be more knowledgeable than most ), I would suspect either the circuit that drives the right channel record head, or the head itself. Is the head running flat against the tape?. Is there a record/play relay or record relay somewhere in the circuit ?. I think at this point you really need a schematic. Do you have the AC oscillator signal ( bias ) present on the right record head ?. I would try this first, then look into a manual.......Good luck...Rob
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