Optimus STAV-3560 - Answered Questions & Fixed issues

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Have lost sub woofer sound and suround sound

In most cases I find that that section in your receiver just got turned off somehow. Go into the set up where it shows the 5.1 speaker display and make sure the speakers are all activated. Larry's Electronics. [email protected]
4/24/2010 11:03:45 PM • Optimus... • Answered on Apr 24, 2010 • 101 views
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I need the wire color code for an optimus model

Colour code for what for the optimus 12-1936?
1/14/2010 12:54:55 PM • Optimus... • Answered on Jan 14, 2010 • 134 views
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Remote sensor is not working

I doubt that its the sensor. you can check at radio shack for a replacement remote. I have yet to see a universal remote that controls receivers. they would have to order it if available. use the catalog # on the back of the receiver (31-XXXX) or let me know the # and I can check into it for you. is it an stav3560 or 3250?
11/9/2009 1:28:50 AM • Optimus... • Answered on Nov 09, 2009 • 228 views
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Power off

check the fuses, there is one (fu1) behind the transformer and 2 under the transformer board (fu3, fu4)
9/24/2007 4:43:54 AM • Optimus... • Answered on Sep 24, 2007 • 277 views
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I turn my receiver on then it says "powering off" right away everytime i turn it off. I hope you can help. thanks

Looks like a rebadged Pioneer if it is, one of the output channels has probably been damaged and it shuts down to protect the rest of the system. Time for service at your local HiFi dealer.
2/23/2024 6:48:05 PM • Optimus Audio... • Answered on Feb 23, 2024 • 24 views
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How to hook Optimus stav 3770 to tv

well mixing old AVR with newer TV (non told) or the reverse does that,! early AVR (mines packed in box attic) has no digital ports only has RCA analog and no hdmi ports. (retired it ,just like me) see there, that is progress. (1/2 joking) just looked at 3770 is all analog a sea of white/red/yellow RCA jacks on the rear.. OLD tech. no TV told but the the best TVs like LG and SAMSUNGS have both. analog and HDMI digital jacks. mine does. LG55xxxxxx there are only 3 choices new AVR, (best choice with a future) buy older TV (hah) buy LG with both on the rear. se this? D = digital A = analog RCA pin jack inputs. video and audio too. a far better TV has both not just HDMI. tv-undefined-undefined-0_0.jpg
8/16/2022 12:17:25 PM • Optimus Audio... • Answered on Aug 16, 2022 • 84 views
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Need a replacement remote for Optimus STAV-3770 audio/video receiver

google Optimus STAV-3770 remote several offers on line. eBay has several starting at $6.00
3/17/2022 5:11:21 PM • Optimus Audio... • Answered on Mar 17, 2022 • 90 views
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I recently bought a optimus stav 3350 reciever and the left side channels on both a and b speakers has a static distorting sound coming from it used more then one set of speakers to check, I inspected it and there are 3 transistors I believe they are small black box looking things that are round with one flat side that has dark burn marks around them on the board the are in, could that be the problem and what else could cause this? Thank you for any advice you can give

It is possible that the solder connections on those transistors are bad and need to be re-soldered. This is common with components that get hot. I would also check any capacitors that are close to them since heat can dry out the capacitors. Other than that, it could be a number of other things.
2/15/2022 10:43:39 PM • Optimus Audio... • Answered on Feb 15, 2022 • 347 views
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Optimus stereo wont power up

  1. Verify the Unit Isn't in Protect Mode.
  2. Check the Fuses.
  3. Check the Pigtail Connector.
  4. Check for Power at the Head Unit.
  5. Check for Ground at the Head Unit.
  6. Bench Test the Head Unit and Replace if Needed.
4/18/2021 1:46:37 PM • Optimus Audio... • Answered on Apr 18, 2021 • 217 views
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How do I program preset radio stations on an optimus stav 3450

this should work on your model
2/17/2019 5:03:53 PM • Optimus Audio... • Answered on Feb 17, 2019 • 154 views
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I need a remote to go with optimus 32-1163 mmanufactured in 2000 karaoke machine

http://www.amazon.com/OPTIMUS-Replacement-Remote-Control-12070397/dp/B009H5LWKG
9/29/2018 5:10:25 PM • Optimus Audio... • Answered on Sep 29, 2018 • 126 views
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How do i get my optimus sta-3180 receiver out of stuck in standby mode

I found the plastic button plunger on the front becomes too short to actuate the tiny on/off switch inside. Remove the cover and insert a piece or two of thickish paper (like file-folder thickness) between the plastic plunger and the switch. Let it hang back over the circuit board so it will stay in place.
5/22/2018 1:34:52 PM • Optimus Audio... • Answered on May 22, 2018 • 530 views
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How do I connect my optimus LAB1100 belt driven turntable preamp to my computer audio please

Hi Denise. try this link out and scroll down the page you might see how to do it. How do connect my optimus to my computer audio Google Search
11/8/2017 11:45:49 AM • Optimus Audio... • Answered on Nov 08, 2017 • 48 views
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My Optimus STA 3760 Receiver will not play any sound on tape monitor, and will only play the right channel on the phono setting. What could be wrong with it/ how do I fix it?

Chemically clean all of your input selector switches and see what happens. If still have issue then one of your amps is in need of repair.
9/8/2017 2:46:46 AM • Optimus Audio... • Answered on Sep 08, 2017 • 284 views
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My RADIO SHACK Optimus STA-3180 stereo receiver has lost the output to one of the speaker channels on both the "A" and "B" circuits. Can't find any fuses or wiring diagrams. Any thoughts?

You have a bad amplifier in receiver. Headphones work? If so you know the issue is after that area in the schematic.
8/28/2017 1:16:50 AM • Optimus Audio... • Answered on Aug 28, 2017 • 496 views
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Service manual for optimus sta-3190 receiver, how do I go about getting one? the sensor will not recognize the remote anymore

Hello! Here is the link to the manual: http://manualsbrain.com/ru/manuals/1107432/
5/3/2017 2:03:03 PM • Optimus Audio... • Answered on May 03, 2017 • 263 views
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No sound on left channel on home stereo optimus sta-795 will changing fuse out restore sound

Not likely! Suggest swapping input connection, red RCA connector to white and white to red and see if problem swaps speakers. If still left channel bad swap speakers left to right see if problem follows speaker. Check balance adjustment and confirm that it is set to the middle! Check all other inputs and confirm always no left output. The goal is to confirm that the left channel is defective! The service manual is MS3102101 would normally be available from Radio Shack. Check for defective capacitors or failed solder joints on the PC board. These units are repairable even by DIY however replacement recievers are relatively inexpensive. Hope this helps? 26364739-n5uv4pl0imrm51spsuhjadcc-3-0.jpg 26364739-n5uv4pl0imrm51spsuhjadcc-3-2.jpg
11/20/2016 6:09:28 PM • Optimus Audio... • Answered on Nov 20, 2016 • 280 views
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I need the schematic diagram of optimus stav-3450

Your best bet would be to call Radio Shack Customer Service at (800) 843-7422
2/3/2015 3:09:06 PM • Optimus Audio... • Answered on Feb 03, 2015 • 510 views
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