Question about Panasonic SC-AK75 Shelf System

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Cooling fan don't work when i start up the hifi system

Just want to know how come the cooling fan from my technics sa-dv 280 don't turn when i start the system i've tested separatly the fan it did work and i also replaced the power module regulator because i had no power on at the origine problem
i've ckeck componants around the fan plug with no results
Phil

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In fact the cooling don't turn when you power up the system but only if you increase the power at a certain amount with just one woofer connected
Phil

Posted on Dec 14, 2008

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I have a turntable connected to my technics hifi system but the volume is very low the hifi system is the sc-dv 290 help woud be apricaited


I imagine it is also tinny. Is your unnamed TT self-preampified?

It always helps to know some details about BOTH parts of the scenario when they don't work together. I'm sure the TT's manual would identify how to use it.

http://audio.manualsonline.com/manuals/mfg/technics/scdv290.html

"PHONO" is the only designated connection on an audio device that is literal and exclusive. Nothing but PHONO will work right on it and old-school turntables would require it to preamplify and frequency-correct the tiny current produced by a Phono cartridge. Look up RIAA equalization.

If your unit doesn't have a PHONO connection AND your TT doesn't have a self-contained preamp you will have to get a Phono Preamp to connect between the TT and any Line Level input, like Aux.

eBay always has some...
http://shop.ebay.com/?_from=R40&_trksid=p3984.m570.l1311&_nkw=phono+preamp&_sacat=See-All-Categories

Aug 20, 2011 | Technics SC-DV290 System

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SA-DX1040 cooling fan not working. need part number and approximate replacement cost. Thanks,


It might be REM0080B $21.72 at Panasonic.

They're also available at anumber of online suppliers. Google "rem0080b fan"

Support: 1-800-211-PANA (7262) could verify the part number.

Jan 22, 2011 | Technics SA-DX1040 Receiver

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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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Have you tried connecting speakers? What was the result?

Yes, when you turn the volume up on these amps (or when the output gets past a certain level) the cooling fan should automatically come on.

Oct 14, 2008 | Technics SA-DA10 Receiver

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Su-g91


Have you checked the fuse in the unit?

Aug 31, 2008 | Technics SA-AX540 Receiver

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I have a technics su x502 amp & it works for a while then goes off & then comes back on after about 5 mins,the rest of hifi stays on its just the amp.


take out the cooling unit (the fan) and use a cpu fan out of a pc connected to an external power source like a 12v dc/ac adaptor and use it to blow constant cool air through the hole onto the heat sink. i know it sounds like a ruff job but it does work, my amp doesnt even get hot and it plays all night long without cutting out once. you will get noise from the fan constantly on but i just turn it up louder. this is just a ruff quick fix.

Aug 09, 2008 | Audio Players & Recorders

1 Answer

Technics SA-DX940


Ratnesh, I have this same receiver and the fan only comes on at certain volume levels. Unfortunately I now live in an apartment and can very rarely listen to it that loud. I had the same problem for a little while until I thought about moving the receiver to the lowest shelf with nothing on top of it. This seems to have worked so far although it does still get quite warm. Good luck!

Aug 04, 2007 | Technics SA-DX940

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