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Technics sa-gx670 wont power up from stand by

Removed top cover checked fuse ok theres a round thing near the fuse that is clicking when turned on and off but front panel wont light up was working fine yesterday wont go today

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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petraman7
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SOURCE: Technics SA-DA10 Receiver-no sound

Most of these problems are rooted in a failed power amp module.
I'm working on an older technics unit but with the same troubles.

Posted on Mar 12, 2008

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  • 236 Answers

SOURCE: No Power

in your power board near the back of transformer you have a backup power source of 5volts. that is for the cpu and the power relay swicth. can you check if you have that 5volts present. What i can see only in your unit is a major brekadown of your main amp section, all power transistros must be busted/shorted, and no chance even for a click on the relay. that is also feature of the protection. you wont be able to get the unit started even for a while. the fuses for yamaha do not normally blow and very often only your protection circuits enables. but in your case it is a very bad output stage now that you dont even get the display on to see the trouble in the built in diagnosis.

Posted on May 14, 2008

  • 4234 Answers

SOURCE: Kenwood KR-A4070 blowing 5a 125v fuses

I am guessing that the ceramic resistor is close to the output transistors. I would also guess that one or more of the output transistors has shorted. This causes a high current draw that is blowing the fuse. You could also have a power supply problem. The ceramic resistor is a .22ohm dual emitter resistor that is used in the output stage. The transistors located close by are probably shorted and should be replaced. Start there and let us know what happens once the transistors and the resistor are changed.

Dan

Posted on Oct 10, 2008

  • 1 Answer

SOURCE: Technics sa-g78 no sound from front speakers

Buy yourself a nice Krell amp!!

Posted on Jun 25, 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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Free owners manual for a technics stereo receiver model SA-GX670


You best hope is the Technics website. Other sites will want to charge you for it.

Sep 06, 2013 | Audio Players & Recorders

2 Answers

I have a Technics SA - DX750 Amp Everytime I turn it on I get an error message F70 and then it requests that I turn the power off. This is all it does now, so sound. How do I solve this issue I have...


Hi!

The F70 error certainly indicates a blown fuse inside.
The real problem is why the fuse is blown: there are only two possible reasons
1. there is a short circuit on the output (lines or speakers)
2. you have a blown output transistor (and that means some work and skills to replace).


To be sure, please change the fuse with a same rated fuse (buy more than one because it can blow again). Disconnect the speakers and turn the amp on. If the fuse blows again, it is sure something wrong with the output transistors. If the fuse remains ok, then please check all the wiring to the speakers.

Hope it helped.

Regards,

Bogdan

Aug 21, 2011 | Technics SA-DX950 Receiver

1 Answer

Technics sa-gx670 reciever sound drop


it could be that your amp chips are gettin hot

Jul 22, 2010 | Technics SA-DX750 Receiver

1 Answer

Wont power on


You need to check the mains (cable and the socket voltage). Check the availability of the main supply either with the voltmeter (if you have) or plug any other thing like table lamp or any electric appliance for conformation of desired voltage. If voltage is there and still TV is not Switching ON then check the cable itself. For this, you check the plug itself. To check the cable you have to remove the cover and then check main fuse too.
(IT REQUIRES TECHNICAL SKILLS)
If you are not a technical person, get it done with some technician near you.
Hope, it will either FIX or help to fix the issue.

good luck

Jan 29, 2010 | Westinghouse LTV-20V2SL 20.1 in. ED-Ready...

1 Answer

VCR will not turn on.


Remove top cover of the VCR. Then look near the back where the plug-in and power supply is. There should be a little glass fuse. You should keep that fuse and take it to the store and replace it with same exact one. If your VCR can be self-repaired, than this is the only thing you can try.

Mar 11, 2009 | Philips Televison & Video

1 Answer

F70 on my reciever


Most likley it is in need of repair. I suspect the output IC. Check for bad solder connections on the IC and voltage regulators.
Remove the speakers and see if it still happens (it probably will).

Feb 11, 2009 | Technics SA-DX940

2 Answers

TV does not not turn on


These flat panel tv's all have a problem with bad leaky capacitors. look for any capacitors ( round cylinder shape with a metal top) that have the top rounded over (bulged up) that part would be bad.

Jan 02, 2008 | Sylvania 6632LG 32 in. LCD HDTV

2 Answers

Overload on Technics SA-AX710 Receiver


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?

Nov 22, 2005 | Technics SA-AX710

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