Question about Teac R-H300 Dual Cassette Deck

1 Answer

TEAC cassette deck not working suddenly.


The function buttons stopped working suddenly. The drawer opens and closes and the counter reset, reverse mode, dolby all work but the forward & reverse play and record & stop buttons are not working.

I checked all the connections and they still seem ok.

This product is discontinued so I can't replace it and nothing wrong with the amplifier, tuner or CD player.

Am quite upset as use it a lot. I look forward to hearing from you.

Hilary Newman

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  • 3 more comments 
  • hilary_newma May 27, 2010

    Thanks very much. I will try disconnecting the power cord as suggested but if that's the same as switching the whole thing off at the plug then I doubt that will make the difference.

    Seems it will have to be taken apart as I had thought. It is 5 years old and has been used on an almost daily basis so it's not surprising I suppose.

    thanks for your advice.


  • hilary_newma May 28, 2010

    Hello Ginko

    Thanks for your latest information. I disconnected the power cord and left it for a while, but as you predicted it's obviously not that simple and it still doesn't work. I have a bit more time this weekend, we have a bank holiday on Monday here in the UK, so hope to get round to trying to check it out inside. I'll be careful not to touch the circuits.

    I'll let you know how I get on next week.

    thanks again

    have a nice weekend


  • hilary_newma Jun 01, 2010

    Dear Ginko

    I took the casing off at the weekend and apart from a small bit of fluff in there, everything looks as new. So I guess it needs more attention than I can give it. Can you tell me if the people I take it to to try and repair it will need me to take the amplifier that it plugs into to try and fix it, or will they be able to manage with just the tape deck itself?

    Best wishes


  • hilary_newma Jun 02, 2010

    Thanks Ginko and for the websites. Am having some holiday next week so will have to sort it out now when I get back. I'll let you know the outcome eventually.

    Best wishes


  • hilary_newma Jul 29, 2010

    Hello Ginko

    Just to let you know I now have the tape cassette deck back in working order. I tried it out again when I got back from my holiday and it worked for 2 minutes & what I noticed was the tape-loading indicator was on when it worked and when it went off, it didn't! The repairer could not fix the old one, but managed to get a new tape-loader so replaced it. In the meantime I saw a TEAC tape-to-tape which is compatible with my mini system so I bought that as well! It was a surprise as I didn't think they still made them..Now the other is fixed as well I am set up for continuing using tapes for another few years! I know it sounds old-fashioned but as my car has only a tape deck installed it will continue to be very useful.

    Thanks for your support, it was very much appreciated.

    With best wishes.




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If the cassette is opening and closing, then the problem is likely mechanic.

As start disconnect the power cord for five minutes to reset the unit, this may not fix the problem.

If the unit does not reset, then the problem is mechanic, usually caused by dirt or foreign objects (eg.tape) stuck in the cassette player gears or by a broken part in the player unit.

To fix the problem the unit must be taken apart, inspected, cleaned, and if there is a broken or missing mechanic part, fixed.

Here an online service manual with schematics. The website will ask a small subscription fee to enable download. :

Posted on May 27, 2010

  • 1 more comment 
  • Ginko
    Ginko May 27, 2010

    Hi Hilary.

    Disconnecting the power cord is not the same as switching off. When power is off there is still power reaching PSU and other circuits. Disconnecting cord you drain power completely, this may fix troubles caused by accumulation of electrostatic charges in circuiaits.

    In your case I am however afraid that the fix won't be this simple.

    Removing the external case should not be too difficult. Ensure that you disconnect power and do not touch circuits, they are sensitive to elecrostatic discharge from your finger.

    See if there are fragments of tape or any bit out of place in cassette deck mechanism. If there is no fault in there, then it is a blown component in the deck control circuit. usually the problem is a foreign object or a jammed cassette sensor (they are plastic tabs).

  • Ginko
    Ginko Jun 01, 2010

    Hi Hilary.

    If you take the deck to a repairer, then presumably the technician will have his own amp to test the deck.

    If you want to locate a Teac authorized support contact Teac giving them a phone call.

    Here the websites:

    TEAC AMERICA's Technical Support Center

    TEAC Australia - Contact Us

  • Ginko
    Ginko Jun 02, 2010

    Hi Hilary.

    Thanks, let me know how it goes.




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