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Technics sa-ex510 dolby sound problem

I have a technics sa-ex510 reciever with jvc sxxsw6000 speakers and when the dolby surround sound is off i can hear everything just fine but when i oress it on i cant hear anything. im pretty sure all the speakers are hooked up properly i just dont know what to do. please help

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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.
petertaussig33@hotmail.com

Posted on Jul 13, 2009

  • 118 Answers

SOURCE: I have a technics reciever - model SA-GX670 --

depends on whether it works or not

Posted on Nov 03, 2009

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SOURCE: technics sa-gx670 reciever sound drop

it could be that your amp chips are gettin hot

Posted on Jul 23, 2010

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