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Hi Technics RS271US cassette deck switch on power vu meter needles go directly into red and buzz noise as if direct short any suggestions also where can I dload schematic please

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Grubhead
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SOURCE: Technics Tape Deck RS-M227X. VU needles jump to the maximum right

More than likely the pre-amp IC has failed! Trace the wires from the VU meters back they should locate the source of the problem. Remember it will be something common to both channels!

Posted on Nov 02, 2009

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1 Answer

My technics cassette deck tr575 everything seems to work all the functions all the buttons but when I put a cassette tape in the unit I see no responce on the db meter... Everything is functioning on


There are 2 long switches, maybe 4" long, called record/play switches. These can certainly cause this. Try cleaning them with the power unplugged. You would turn the cassette deck on end, so the switches are vertical. Use LPS-1 or LPS-2, and spray a very small amount in the end. Work the switch back and forth and see if that helps. Good luck.

Nov 25, 2014 | Technics RS-TR575 Single Dual Cassette...

1 Answer

My tape decks buzz but when i touch it with my bare finger it goes away


It can be a bad ground inside the deck or broken solder joint. I have fixed this case often but can not tell you exactly the problem unless I see the unit.

Feb 15, 2014 | Technics RS-TR272 Single Cassette Deck

1 Answer

Cassette deck high pitched noise when playing


Sometimes this is caused by the record circuit being activated due to some kind of faulty switch. At other times it's caused by a fault on the pre-amp circuit. Possibly in the power supply to it. Perhaps a faulty capacitor?

Dec 09, 2013 | Audio Players & Recorders

1 Answer

Pioner cassette deck ct.f700 one vu meter does not work


Most likely a dirt switch contact in the unit, Clean with Deoxit and check again. Otherwise it could be a bad solder joint or a problem in the meter drive circuit. You might need a Technician to check it out.

Nov 13, 2012 | Audio Players & Recorders

1 Answer

My sony tapecorder tc-330 vu meter shows only one side working with the needle fluctuating, what causes that?


I have had that in a TC-366, the diode and a capacitor were the reason but you will need Technician tools, meters ans a soldering station to get the unit fixed. Sometimes the meter movement gets
knocked out due to abuse or shock. Does it move at any time as when you turn on the deck?

Sep 07, 2012 | Audio Players & Recorders

1 Answer

When i push play on either deck - the tape starts to move and then the tape deck switches the tape's direction continually


If you observe the sprockets in the cassette you'll probably see they're not turning. That would indicate a broken belt or something mechanically common to both decks. Deck logic probably interprets the lack of sprocket rotation as end of side and auto-reverses. Take it to a shop.

Mar 19, 2010 | Technics RS-TR272 Single Cassette Deck

1 Answer

Technics Tape Deck RS-M227X. VU needles jump to the maximum right


More than likely the pre-amp IC has failed! Trace the wires from the VU meters back they should locate the source of the problem. Remember it will be something common to both channels!

Oct 30, 2009 | Audio Players & Recorders

1 Answer

Sony tape decks model tc-355


Follow the left channel lead to where it joins with the PCB. Use a pointed tool and prod connections if you get a buzz then that stage in the amp is working. I suspect you will find it leads to a IC that might cause the fault. If you find it buzzers on the right but not left, then it's gone. PS don't short pins. If you can get hold of a signal injector it will make things easy.
Be careful and good luck.

Jan 08, 2009 | Sony TC-WE305 Single Cassette Deck

2 Answers

Remote control for Technics RS TR 272 Dual Cassette Deck


a system remote is the only option for you here. The deck does not have its own remote receiver. Sorry to break the bad news to you.

Jan 09, 2008 | Technics RS-TR272 Single Cassette Deck

1 Answer

No sound on cassette deck


Hi Does the deck have VU meters?...or a graphic display of some kind to indicate there is sound being picked up from the heads? If there are, and they are not moving or flashing, as the case may be, then you could have a wire off the head, or a problem in the preamp circuit, or if the deck is older, it could be as simple as a dirty play/record switch. I would need more info to help further. Good Luck!

Dec 02, 2006 | Technics RS-TR373 Single Cassette Deck

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