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DEAD LEFT CHANNEL!!

I have a technics RS-AZ7 Tape deck, the Left channel no longer plays? It is/was an expensive tape deck and I don't want to let it go.
Is it fixable?

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  • RKC115 Apr 04, 2008

    I have tried this several times, but sadly to no result!

    Do you have any other solutions?

    Thank you for that one also!

  • RKC115 Apr 05, 2008

    Yes the left meter is dead too!

    I'm gutted!

    Its the top technics tape deck (that I know of anyway!)

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  • 518 Answers

The most common problem is a dirty record<>play switch inside the unit. Try this: Using a blank tape, press and release record/play buttons several times. This can clean the switch a bit. Then play a tape. If it fixes the problem, then you need to take the unit apart and use a plastic safe spray cleaner on the switch (Check at Radio Shack, their tuner cleaner Catalog #: 64-4315 will work fine). Spray it into the switch and then work the switch with the buttons several times.

Hope that helps...

Geno

Posted on Apr 04, 2008

  • Gene Wells Apr 05, 2008

    Is the left meter also dead? If so, I can't think of anything easy for you to look at.



    Geno

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I presume you have proven the channel is dead by trying multiple sources, swapping a different speaker onto it and that the balance control is NOT all the way to one side; headphones don't work either and we're down to proving it's dead before you take it in to a tech, right?

There is the slighest chance that a common control may have developed a high-resistance or 'dead' spot and is causing your symptom. Turn the POWER OFF and operate every control throughout its range a number of times, especially rarely-used ones like Tape Monitors and the Mute control.
If it still doesn't work you might want to prove if its a low-level signal loss or a high level amp failure.

One way would be to run an RCA cable pair from the Tape Out to any other device (even a TV with speakers) you might have that accepts an audio input. If IT can't detect receive the DEAD Channel you're losing it in the preamplifying or source selection stages.

If it CAN be played externally, the receiver is losing it on its way to or at the amplification stage. Further isolation might require hands-on technical expertise.

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There is a chance that a common control may have developed a high-resistance or 'dead' spot and is causing your symptom. Turn the POWER OFF and operate every control throughout its range a number of times, especially rarely-used ones like Tape Monitors and the Mute control.

If it still doesn't work you might want to prove if its a low-level signal loss or a high level amp failure.

One way would be to run an RCA cable pair from the Tape Out to any other device (even a TV with speakers) you might have that accepts an audio input. If IT can't detect receive the DEAD Channel you're losing it in the preamplifying or source selection stages.

If it CAN be played externally, the receiver is losing it on its way to or at the amplification stage. Further isolation would require hands-on technical expertise.

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I presume you have proven the channel is dead by trying multiple sources, swapping a different speaker onto it and that the balance control is NOT all the way to one side; headphones don't work either and we're down to proving it's dead before you take it in to a tech, right?


There is the slighest chance that a common control may have developed a high-resistance or 'dead' spot and is causing your symptom. Turn the POWER OFF and operate every control throughout its range a number of times, especially rarely-used ones like Tape Monitors and the Mute control.


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Let's break this into its two parts.

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There is the slighest chance that a common control may have developed a high-resistance or 'dead' spot and is causing your symptom. Turn the POWER OFF and operate every control throughout its range a number of times, especially rarely-used ones like Tape Monitors and the Mute control.

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http://www.onkyousa.com/images/hookup/TX-SR803/detail_tapedeck.jpg

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