Question about Technics Audio Players & Recorders

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Only sound from 1 channel but view meters working on both channels Techniques RS-B18

This is a DBX and dolby B and C Would not care as have 2nd deck but this is the only one with dbx and some of the tapes were recorded with dbx

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  • Edward Oct 28, 2012

    have cleaned head with alcohol No better. Checked cables and they work fine. Any ideas?

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  • Technics Master
  • 1,258 Answers

On the easy side it could be a dirty switch. On the hard side it might need to go to a Technician as there could be an open capacitor or other component failure. The unit can be fixed if given to the right person who is familiar with the cassette deck repair. I have been doing it for 40 some years so far.
IF you need my help, E mail me skywavebe@sbcglobal.net

Posted on Oct 29, 2012

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SOURCE: akai gx 747 dbx reel to reel need repair and service zip 95624

What problem(s) are you having with unit?

Posted on Apr 23, 2008

  • 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

skywavebe
  • 1258 Answers

SOURCE: Technics RS-TR272 dual cassette deck

Ahh, Another Dual cassette deck. These are typically not worth a repair charge. I went looking for a service manual but Hi Fi Engine did not have one but they had a Owners Manual. Any unit that has a specification as to wow and flutter starting new at .18% was never made to be a long lasting deck of any quality. I don't like to be negative about people equipment but you might be better off getting a better deck from the start. If you think it is worth the repair, then send it to someone but I don't think you will want to sink $100 into a unit like this.
I am not saying it is unrepairable but that with what you come out in the end you could have made a better choice for a deck to buy.
It is probably a bad solder joint or bad capacitor on the circuit board.
I am in Chicago and would look at it for you if you want.

Posted on Oct 17, 2012

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My Sanyo DP23845 23 In. LCD Television does not have any options under set up beside color-how do I add channels?


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The difference in sound quality provided by HDTV televisions and programming does not end there. Many HDTV programs are also broadcast in Dolby Digital 5.1 surround sound, but in order to take full advantage of this technology, it is necessary to have the right equipment.

Dolby technology has been created by Dolby Laboratories, Inc. This technology is the most renowned provider of digital audio technology. Also, Dolby Laboratories is known for reliable and superior products. For these reasons, Dolby Digital Surround has become the standard for HDTV. Many television manufacturers substitute their own surround sound systems, but they cannot live up to the reputation and performance of Dolby. Therefore, it important to check the specs on an HDTV television before buying in order to ensure that it uses Dolby Digital Surround.

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1 Answer

Unit looks to be working fine but I get no out-put on line out. Both 1 and 2 decks were ran and problem is on both decks


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1 Answer

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The good news. I have a setup similar to what I think you're trying to do and it works great!

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Run the dbx and BSR in tandem with each through the tape monitor loop on the receiver but be advised you can only use them on analog source stero material. However, you can still employ the various DSP options to spread the sound around the room.

At my PC workstation across the room I have a stack of analog processors and sources including dbx 3bx-ds, dbx 120x-ds, BSR Spatial Enhancer, BBE 462 Sonic Maximizer, SS-525x EQ, Carver C-9, dbx-224x, JVC cassette deck, Dual 1249 Turntable running through a Garrard MRM-101 Preamp, Pioneer PDR-509 CD Recorder and the Media Center PC stereo analog channels all running through a dbx 400x Program Route Selector (a godsend) which is attached to my ONE TAPE MONITOR on my Pioneer VSX-36TX Receiver. Of course, I have some of my analog processors running in tandem, too, since the 224x only has three processor and three tape loops.

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I'm sure you're already aware that the compressor has separate mono channels and you'd have to hook up right and left through their own compressor channels to have stereo compression.

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