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Posted on Apr 04, 2010
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Technics SA-DV290 Amp. Sound cuts out as volume is increased

Hi, I have a Technics SC-DV290 Stereo system. It's worked fine for 2 years until today. Whether using either one of the external inputs, or a CD, the sound cuts out as I turn the volume up. I have to switch the stereo off and on again to get the sound back. Then it cuts out again...
Any help is much appreciated.
Pete =]

2 Answers

shaun taylor

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  • Posted on Apr 05, 2010
shaun taylor
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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
shaun

Mike Leary

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  • Posted on Jan 05, 2021
Mike Leary
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Hi I got a sony technics sa-dv290 I had it on then it all went off so now I had power coming thought and now I have no power what so ever what could it be I change fuse and still the same

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I have not Technics SA-DV280 User Manual Instruction the same needed to E-mail Please at my registered mail

We are FIXYA dot com, we are not Technics, and we don't have your registered email address. Technics may have it, you use it to log in here but _we_ don't have it.

No manuals for the 280, just the 290 sorry.

Technics-SL-DV-280-GN-SM - vintage hifi

www.vintageshifi.com > repertoire-pdf > pdf > telecharge

PDF Design and specifications are subject to change without notice. 2.Dimensions and weight are ... Sound processor: SH-DV280, Tuner/ Amplifier: SA-DV280,.

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TECHNICS SC-DV290 OPERATING INSTRUCTIONS ...

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How do i connect technics turntable model SL-QD33 to technics stereo model SC-DV290 and what do i need to switch to on stereo to play records.

Have a look on the back input panel of the sc-dv290. Check for a "PHONO" input. If there is no phono input it will not play turntable. If there is: then plug it the turntable in and switch the SC-DV290 to PHONO mode.
Another way would be to purchase a "phono preamplifier" from ebay: Hook the turntable into the phono preamplifier, and the preamplifer into the SC-DV290 AUX input.
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My techincs dvd stereo will not power up

does it come on then click & go off? if so the boards gone in the amp & they've been discontinued so you can't order one.
But other than that, silly question but have you checked the fuse in the plug.or just do what i did & get a second hand amp the SA-DV280 works just the same as the 290.
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Mty tecnics

Maybe the audio amplifier IC are fried
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Technics DVD Stereo SC-DV290

never done this myself, but I would guess you take phono jacks from your TV (L & R out) and plug them into the back of the sound processor, iether VDP(AUX) or VCR(EXT) IN
then go to your remote and press (vcr(ext)/vdp(aux) repeat pressing until you hear you tv
each time you press button it should go through a selector menu
TUNER->DVD->TAPE>VCR(EXT)->VDP(AUX)

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I belive that you have a lot of dust how is gatherd behind the system in the amplifier and it is preventing it to cool down you need to blow it clean and make sure that you keep the system gets cool air

if the temp in the amplifier gets to high it shut down the system instand of burning it very clever solution from the manufacturer

you have a very good system good luck
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Technics SC-DV290 System

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