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Technics SA GX710 having sound problem pls help

Technics sa gx710 when switched on it works fine for few seconds only after that graphics disply for equalizer not showing i mean only shows frequency numers but actual frequency display not showing and also no output from one of the speakers some times no o/p from front right or sometimes no o/p from front right i tried resoldering loose connection but still unable to solve the problem when swithed to FM it displays tuned indicator but imbalance output from left and right

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6 Suggested Answers

  • 979 Answers


The system has detected a fault in the output section. How much are you asking of the system? Greater than 50%? That will push most systems to their limit in a short period of time...accordianman

Posted on Jan 14, 2008

  • 682 Answers

SOURCE: Technics SA-GX470

over load means your speakers and its cable----please check it for bad cable or bad speaker------try to insert speaker one by one and test each time to investigate the bad one.--------if every thing is ok and you keep good ventilation around your receiver (no blocking of ventilation holes)and you still have a problem your protection circuit in your receiver needs to be checked by service technician

Posted on Aug 06, 2008

  • 1 Answer

SOURCE: Technics sa-g78 no sound from front speakers

Buy yourself a nice Krell amp!!

Posted on Jun 25, 2009

  • 1 Answer

SOURCE: Technics SA DA20

I have a Technics SA DA20 control receiver. I was given it by an electronics workshop and it has this same error of OVERLOAD coming into the display when switched on. I removed the plates from underneath and re-soldered as far as I could all the points along the stereo amplifier ICs and as far as access would allow. The unit then worked normally for several hours. I was very pleased, and went out shopping!. But on my return after it had been off for about an hour, the same problem has come back. But my boss at the electornics workshop thinks it it just a dry joint, or series of dry joints. The unit is complex to dismantle, so patience and care is required in taking it apart and making a note or diagram of how it comes to pieces and how to re-assemble it after the board has been re-soldered. It does not appear to be a component problem or fault with the SVI power amplifier ICs.

Posted on Jul 13, 2009

  • 95 Answers

SOURCE: Overload on Technics SA-AX710 Receiver

Turn it off...remove all the speakers and turn it on....If it goes into the protect mode. you have a bad power amp. That's the big black flat things attached to the cooling fins.. one or both is shutting the system down. If it doesn't trip out, plug a head set into the phono jack and see if you can hear the music there. Can you turn it up without tripping.... if it's still ok...hang one speaker on the system, if it trips thats the bad leg...check the speaker/wire

Posted on Oct 23, 2009

  • 4518 Answers

SOURCE: on switching my technics sa-dx750 it says switching off overload

The question is what is causing the overload? The power supply or the output devices on the heat sink?
If you have accidently shorted a speaker wire, then the answer will be output devices, otherwise it could be anything in the power section. You may find a burnt or damged device with either of the causes.

Posted on Mar 09, 2010

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There are poor solder connections at the output amp pacs and the voltage regulators. Once these are resoldered the problem should go away. If you can solder, resolder any connections that appear grainy or have rings. If you can not, this should be effectively a labor only repair for any shop that works on audio gear.


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This may sound like a silly check, but verify that the tape monitor switch is not engaged. What is the quality of the sound when turned up? Is the cound clear or raspy?


Dec 04, 2008 | Technics SA-DX950 Receiver

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Technics SA-DA10 Receiver-no sound

Most of these problems are rooted in a failed power amp module.
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