Question about Technics SA-DX1050 Receiver
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Posted on Jan 02, 2017
first of all, check all the capacitors. Other than that, it needs a repair guy to have a poke about inside it with a screwdriver. Has anything happened to it lately that could have upset it a little bit? such as a powercut or had anything done to the plug? (e.g. change of fuse, and put in one that was a different rating) And is it plugged into a surge protection socket, or a plain old fashioned electrical socket?
Posted on Nov 22, 2005
From the manual pg 27....... "The protection circuitry has functioned because the positive and negative speaker connection wires are "shorted," speaker systems with an impedance less than the indicated rated impedance of this unit are used or under severe use, such as loud volume, excessive power and in an excessively hot environment."
Posted on Jan 17, 2009
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
rafatecnico amigo mio el error esta en la placa de coneccion de dispositivos auxiliares por favor revisa soldaduras de los dos transistores de potencia que se encuentran juntos y de los dos transistores de acople de los de potencia, si se encuentran bien entonces alguno de ellos esta averiado en cortocircuito o abierto
Posted on Aug 04, 2010
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