Question about Teac Audio Players & Recorders

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My teac MA-7 amplifier makes a very loud bang (rather a very loud clicking noise) a few seconds after I turn it on, and then every 5 minutes or so. Even with volume all the way down, even with no inputs plugged in. The protection turns itself on but it's always too late for the poor speakers. It does thing on both channels simultaneously always. Recently one channel got fried after one of these loud pops. Please help?

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  • Teac Master
  • 5,259 Answers

All I can tell you is that if the noise is on both channels the cause of it has to be something that is both channels running to it or is something to do with the power supply. If the main amp channels are outputted by one device I would blame it on that. But if they are separate you will need to look elsewhere.

Posted on Aug 19, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Technician (only for users in the US for now) and get all the help you need.
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Posted on Jan 02, 2017

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SOURCE: Output volume has dropped in right channel

dear sir,pls check the HT voltage fuse, LTsupplay also and out put stage,and volume controle,

Posted on Feb 01, 2007

robotek
  • 1512 Answers

SOURCE: Protect Mode With Sony str-de595

Hi snark63

Ypou have an intermittent problem that sounds to be heat related... the more work the amp does, the more heat generated by the output stages. This will be aggravating some poor solder joints that are cracked or dry. The unit needs some repair work done in these areas. If you have good experience with a soldering iron, the cure for this is to resolder the power stages of the unit, or any other solder joints that look to be failing.

I am more than happy to answer any other questions you may have about it, please get back to me here, or use the ASK function to go straight to me :) If you are still unsure, have problems, or we need to look at the situation more deeply, then before you give a rating for this advice, hit the ASK button Thanks for using FixYa, If you consider the advice I have given you as sound, a FixYa rating is a great reward for my efforts to help you. Cheers.

regards robotek

Posted on Jul 06, 2008

petraman7
  • 1175 Answers

SOURCE: Yamaha AX-930 Audio Amplifier

HI...

Do a websearch for a competent repair shop in your region or ask the stereo folks where you got the amp.
It WILL need surgery.

Cheers,

Scott

Posted on Jan 03, 2009

petraman7
  • 1175 Answers

SOURCE: Adcom 7500, Adcom 5400(bi-amp), Marantz AV-9000, Dakiom HA103

Try just the power amp on ..nothing connected
no Dakiom thingy either. It's a matter of elimination. Start at the output device and work back. Keep the Dakiom out of the loop.
If there's hum with just the Adcom..then it's the ADCOM

Posted on Mar 25, 2009

StuartB
  • 807 Answers

SOURCE: crackling noise with my volume knob when i turn the volume

It's probably dust in the volume control. It gets in between the carbon track and the wiper that rotates on the track, or the resistive / carbon track inside the control is wearing out. As yours is stereo there will be 2 tracks and 2 wipers, one could be worn more than the other.
This should give you an idea. Inside Pot

Posted on May 06, 2012

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