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Nexxtech headset How can I open the  volume and  speaker switch.?  there us a short which I would like to fix but can't get into the casing. Bernie

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Hello,

I am not interested in a  "plan"  I just wanted to know how to open the casing of the mic switch on a  "Nexxtech" headset.  I found out how  and I now have it fixed.
I did not expect to have to wait a day for an answere.

Thank you

Ebern70

Posted on Feb 28, 2008

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Posted on Jan 02, 2017

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Jvc rx 5052 overload when volumes open


Could be....
  1. There's a short in your speaker wiring somewhere
  2. or a blown speaker
  3. or you are recycling the speakers from an old all-in-one system and they're too low Ohms
Check your speakers first. If they are less than 8 Ohms, or there's no label on them which gives the Impedance (in Ohms) then I'll lay money that they aren't suitable for the amp. Stop using them and get some proper 8 Ohm speakers.

Wiring shorts might be only a single strand of copper wire. But it's enough that at higher volumes it conducts enough current between the speaker terminals to trip the amp's protection mode.

Fix the problem. Go through your wiring. Check using a torch. If all looks good then it's a blown speaker.

Remove the speaker wires from the amp. Switch the amp on and turn the volume up full. The amp should stay on. Turn the volume down and switch off.

Now connect ONE speaker only. Try the amp on and volume up again. If it trips out then that's the faulty speaker. Repeat by adding one more speaker each time. When the amp trips, the last speaker added is the culpret.

Sep 08, 2014 | Audio Players & Recorders

Tip

Acoustic Authority A-3780


The Acoustic Authority A-3780 speaker system was an awesome unit blowing away all other competitors in it's price range. One would pay four or five times more to get similar results. Some owners have even used the system for Karaoke and keyboards on stage (very demanding and not recommended) in small venues. That's the good news.

The bad news is that the parts used failed often, especially in the remote control. But if you own one, here's a few general electronic repair solutions to help keep you up and running.

Problem: Remote won't turn on the speakers.

The power on switch is usually broken. They don't seem to last long.
1 Replace it if you can find one...good luck.
2 Replace with another switch design with a little modification to the remote case.
3 Remove it and resolder wire jumpers where the switch was on the remote board so that the unit is always on unless you unplug it or turn it off using a surge protector. As this system did not have a delay circuit per power on and speakers on it will work the same.

Problem: Scratching noises when changing the volume control on the remote.

Oxidation/wear on the volume potentiometer. Using a electronic contact cleaner will clean it up for awhile.
1 Replacement is best but you probably won't find the part.
2 Keep the remote volume fixed and use the computer volume to adjust.

Problem: Loud buzzing from the speakers. Tests:
1 Do the speakers still play audio even though you hear the buzz?
2 Does the buzz go away and the audio is OK on a headset plugged into the connector on the remote?

If yes then chances are one or both of the large 10,000uf 50v electrolytic capacitors on the main power board in the sub woofer has blown. These are filter capacitors to eliminate AC voltage in the DC. When one fails you can get a loud AC 60 cycle hum at the speakers. Check to see if the capacitors are flat on top. If one or both are bulged upwards then the capacitor has vented the electrolytic fluid and failed. Replace them both even if one failed. They cost $5.00-$20.00 online. You can also find them sometimes in audio power amps/receivers if you have a broken one in the closet.

Problem: No audio, no lighted remote. All connections are correct.

Check all parts on the sub woofer power board for any visual failures. When ceramic capacitors fail they usually blow up. Check resistance on all resistors looking for shorts or opens. Get a DVM with Diode Check (example Fluke 77) and check the diodes. Also check the large power transistors for shorts or opens. Just read the resistance across the transistor pins and see if they all match between each other. The specific value in not important. If one is mostly shorted or open compared to the others then it has failed.

on Aug 30, 2011 | Audio Players & Recorders

1 Answer

Carver manual


Could be....
  1. There's a short in your speaker wiring somewhere
  2. or a blown speaker
Wiring shorts might be only a single strand of copper wire. But it's enough that at higher volumes it conducts enough current between the speaker terminals to trip the amp's protection mode.

Fix the problem. Go through your wiring. Check using a torch. If all looks good then it's a blown speaker.

Remove the speaker wires from the amp. Switch the amp on and turn the volume up full. The amp should stay on. Turn the volume down and switch off.

Now connect ONE speaker only. Try the amp on and volume up again. If it trips out then that's the faulty speaker. Repeat by adding one more speaker each time. When the amp trips, the last speaker added is the culpret.

If you've done all the simple stuff, then what's left is a problem with one of the output transistors. It needs the output transistor(s) replaced inside the unit. These directly drive the loudspeaker outputs on the receiver itself, and one or more of them being shorted (closed circuit), will trigger the error on the display of the receiver, and it will not go off until the problem is repaired. They are not user-replaceable as they are PCB mounted, and thermally coupled to a heatsink. In this case, the unit is in need of service.

Sep 07, 2014 | Audio Players & Recorders

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Jabra headset phone


either the switch is partially shorted or the pin on your headet has a shorted wire in it somewhere..try a new headset first..

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The sound on my iPhone suddenly stopped working, it does not work for music like pandora, videos, youtube, police scanner, the ringer fully works and I can hear people talking when they call so I do n


Try resettin, hold home button and power button for about 25 seconds, if this doesnt work the speaker prob went out. they have two speakers, one u hear people on and the one u hear music from.

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The volume of my laptop is locked and works through the headset


The headset switch has a tiny contact that cuts off the speakers when the headset is plugged in it may be the cause of this problem. Open the system up and see if you can repair the switch.

Jul 12, 2012 | Acer ASPIRE 8930G844G32BN COMPATIBLE...

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When i plug in my logitech headset whitch is usb plugin the music plays go over the headset.But when I unplug the headset music does not play over the speakers.How do I fix this so it playes over my...


Start - Control panel - Sounds and Audio devices - Click on the "Volume" tab. Check that the device volume is included in your volume control (Advvanced - Options - Properties)

Also check your speaker Volume and Settings.

May 16, 2010 | Microsoft Windows XP Professional

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When I have my headphones in the volume works but when I take them out it dosn't work anymore


THIS MAY HELP!

For PSP Go owners, a very cool feature is the ability to pair bluetooth devices with the system. This recipe will show you how to toggle between outputting audio between the PSP Go’s speakers/headphone jack and a bluetooth headset/speaker.
1. Pair your bluetooth device with your PSP Go.
-Go to Settings > Bluetooth Device Settings
-Be sure to turn the Bluetooth Connection ON. Then select Manage Bluetooth Devices.
-Click on Register New Devices; put your headset into pairing mode and pair it with the PSP Go by following the onscreen prompts.
2. Once your headset/device is paired. Be sure to leave the Bluetooth Connection on.
3. Finally, open up the music player or a game and when you want to switch between the PSP Go’s speaker or your headset, just hold the Audio button on top for about 7 seconds. It will change the volume icon w/a bluetooth icon and audio on your PSP Go should start outputting via your headset.
To toggle back to speakers/headphones, again hold the audio button for about 7 seconds and it will switch back.
This should work with any bluetooth headset and does not require it being a stereo headset (ie any $5 headset should work).

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Volume from TV and Cordless headset, only want it in headset


Cordless phones are often of the infra red type and can be connected directly to the AV line out sockets (rca or scart, left/right audio out) on your TV or VCR. Since the audio is taken off prior to the TV sets volume control it is at a fixed output level. You can then turn down or mute the volume on your TV without affecting your phones sound level.

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your head phone volume controller /speaker/s has been short circuited so please replace /purchase new headphone
thank you

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