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My Technics sa-ch750 amp cuts out when the volume goes over apr. 26db. I have a t1.25a 250v fuse on theboard near the power which is what it says is required on the board. Not sure if i need a specific type of fuse. Any ideas?

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SparkGap
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SOURCE: remote control code

You need to let us know the make and exact model number of the universal remote. All universal remotes do not use the same codes. We'll try to help you control your technics sa-gx100 upon your reply.

Posted on Sep 29, 2007

SOURCE: technics sa-ex700

Hi,I have the same receiver...and what you mean by "the two stk".....i have the operation manual whith the specs....

Posted on May 24, 2008

  • 1 Answer

SOURCE: Technics sa 400 Receiver

Checked fuses then sprayed contact cleaner on the fuses and the fuse holders. The speakers began to work correctly.

Posted on May 29, 2009

  • 1 Answer

SOURCE: Technics SA-AX730 Receiver PLAYS FINE AT A VERY LOW VOLUME.

Have you checked to see if your fan is still working.....I am having the same issue but I think it's my fan b/c it was doing this when I first got it and for the 1st couple of years.

Posted on Jul 31, 2009

  • 11 Answers

SOURCE: i want to buy a Technics SA-DX940 reciever

ebay cheap as chips just keep your eye out for them there always about look for the sa-ax730 aswell more or less the same

Posted on Aug 04, 2010

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Older technics SA-GX100 sometimes left or right speaker will not work until volumes is cranked up


buy some turner cleaner or electrical contact cleaner(radio shack) with the power off take the volume knob off spray into the area where the knob goes(the little metal post) turn the post back and forth with your fingers or needel nose plyers several times (over time dust and dirt build up makes a bad connection) you may have to do this a couple of times dont worry this stuff drys realy fast this should do the trick

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The volume gets noisy, cracking sounds and fades out


Your volume control is dirty. Apply some deoxit or wd40 directly onto the module.

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I am playing Cd's and have a pair of Definitive Technology- Model BP-10 tower speakers connected to my Technics SA-DX1040 5.1 Channels Receiver and while the music is playing, all of a sudden the music...


There are 2 major possibilities and since you didn't say if the sound comes back here's the general split.
1. The power amp section could be having problems and/or protection circuits are kicking in. In this case repair of the amp will be needed.
2. There is a bad connection somewhere making the audio path go bad. In this case a good can of contact cleaner applied to all switches and controls may help. If not, the bad connection may be internal. If tapping (or rapping) on the unit makes it come back, there's probably a bad internal connection.
If letting the unit cool down brings back the sound, its the power amp section.

Dec 27, 2010 | Technics SA-DX1040 Receiver

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Technics SA-DV290 Amp. Sound cuts out as volume is increased


hello it sound like the output ic may be in trouble you may have just dry joint on the ic which just resolder it . or there could be a capacitor leaking or they may have swelled up in which you will have to replace. it's best to do some visual checks first i'e look for any burnt parts any capacitor with bulging tops

regards
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1 Answer

When i turn up the amp the 'current drive' cuts


Check all your wiring for short circuits, check your speaker coils are not shorted either - if you cant do this try any other pair of speakers on the system.

check the main capacitors in the power supply, check the internal fuses, and change the wall plug fuse - check all the large capacitors for closed/short circuit or cracked solder joints, resolder anything suspicious looking. the fuse could be **nearly** blown, and bend apart when it gets warm, change it to be sure... hope this helps.

Jan 25, 2010 | Technics Audio Players & Recorders

2 Answers

My Tchnics Sa-Da10 shuts down on what appears to


Ahh technics. Technics always had overheating problems, trust me. Every since they started, their amps would get so hot they would hurt to touch. The reason the fan is not coming on seams to be something inside the circuit board. I'm sure that technics could fix this. If the fan works out of the receiver, then it must not be the fan. ;P

I would maybe get a computer fan, and just put it on top of the receiver and turn it on, or send it in for fixing. Also, do you have to crank the volume to get the speakers to play at your volume, and does the impeadence match the receiver. Because you may be pushing the receiver too hard.

Oct 11, 2009 | Technics SA-DA10 Receiver

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try this mate:
http://www.electronicspoint.com/googlesearch.php?cx=002919058480771089906%3A03mranmmdze&cof=FORID%3A10&ie=UTF-8&q=Technics+SA-GX550&sa=Search#862

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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.

Dan

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Cooling solution for technics volume controlled fan


fit a case fan from an old p.c to the 12volt rail or ex ternal power supply put the amp at the top of the pile

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This happens on mine also. My theory is a relay. If you turn the volume up (Waaay up) momentarily, you "burn through" the oxidation on the relay and the sound comes back - for awhile. Some day, I'll get in there and replace it with something more robust.

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