Question about Plantronics .Audio 355 Multimedia Headset

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My headphones fell to the floor and a connection on the right side broke (a wire disconnected from the solder). I tryed too re do the connection with my soldering iron but I cannot get it to work,

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Check for insulation on the wire you are soldering. It is usually a coating on the wire and may not be easily seen. If solder sticks easily and well to the wire, the coating is probably removed. If you can, check for continuity at the plug and across the earphone contacts. Often you will find around 20 ohms, sometimes but not often it is 8-16 ohms. It shouldn't be open or in the meg ohms. Hope this helps

Posted on Jan 03, 2011

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Posted on Jan 02, 2017

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Why did the right side stop working?

I have the same set and mine broke on me too. Though mine was the left side. It looks like you've opened up the back piece but you can get to the meat of it if you just push on the pole that ear piece sits under push back on it(don't snap) and use a little upward force on the ear piece. Then you can see where the wire has most likely disconnected.

If it hasn't on that side you can do the same on the other side, it most likely has disconnected from the PCB as the wires are very very thin(what happened to mine). Just use a soldering iron and heat up the solder on the pad and put the wire back on. You need to make sure that the wire is exposed from the insulation first(I could use my nail to pull it off but the right wires looked different).

I attached a picture I took with the PCB exposed. On the left and right you can see the two grey prongs you need to put some pressure on to remove the rocker and get in. On the PCB at the top left you can see the 4 pads the speaker wires connect to. My left speaker was disconnect so you won't see wires on there(red and black). right beside it is the right speaker connection(blue and white wires). those should be attached like in the picture.

Use a soldering iron only if you have experience or with someone who does. I don't take responsibility for burns or fires or any other crazy mishaps. Doing this could break your headphones further, by burning the PCB or snapping the rockers on the side or any number of other things that could go wrong. So only do this if you already don't care if they break further.


Jun 22, 2015 | JBL Audio Players & Recorders

1 Answer

Wire broke

Speakers need two wires. there should be two solder pads similar in a radial arrangement on the back of each speaker around the magnet. If you do not have a solder Iron, it won't help anyway. Each speaker, two wires. 4 wires in headphones, reduced to 3 as two are a common, the clear ones. Red and White or another color go to channels L and R.

Oct 31, 2013 | Thermaltake Audio Headsets HT-SHK002ECBL...

2 Answers

Right side of bose headphone is not working

I have fixed over 500 headphones. Its the plug that connects to audio devices.
Take a look at it
Look at the Standard stereo headphone. When you plug it and unplug it from your audio/music device,
the little 3 or 4 wires disconnect. The smaller the headphone, the more chance this will happen.
To revive your headphone, you have to cut it and re solder the wires to the plug.
follow this step because I don't know how to explain it to you and make you understand it.

Please rate if this helped you.

Apr 19, 2011 | Bose Audio Players & Recorders

1 Answer

What can I do to fix a cable issue in my headphone? The right side doesn't work unless I move around the wire attached to the headphone.

Hi, what makes oneofthe earphones not to work,is because the wire inside the right side of the earphone hascut and will need to soldered back to it's position.

Open the right side of the earphone,and use a soldering iron and a lead to put back the wire properly.
after put back the wire,problem solved.

Thanks for using fixya..

Oct 27, 2010 | Skull Candy Ink'd Stereo Ear Bud...

1 Answer

Left side of my sharper image ct411 doesn't work at all.

Check your cable and make sure there aren't any frayed or cut wires. If your cable looks good, then open up your headphones and make sure the connection to each speaker is correctly soldered. Sometimes when you expand/contract the size setting on these headphones it pulls the wire until it eventually disconnects. I hope this helps!

Aug 31, 2010 | Sharper Image (CT411) Consumer Headphones

1 Answer

Need repair on connector

The connector is called a 3.5mm stereo plug. You can purchase these plugs from electronic shops or Digi-key. It will require some careful soldering with a small soldering Iron. The outer tip is Right, the sleeve is Left and the large back sleeve is the ground.
Inside the headphone cable there are four wires. Two will be likely bronze in colour. These connect to the Ground. One wire is gren. This will connect to the middle sleeve. The last red wire will connect to the tip.
These are 'Litz' wire and contain a cotton fill for support. it can be a bit tough to solder.

Apr 19, 2010 | Bose in-ear headphones - Black with...

1 Answer

Trying to reconnect right side of my bose

soldering would do the job but... if its dead, I suggest leaving it dead. if its wire damage, there is very little to what you can do. perhaps you should consider a new one.

Mar 10, 2010 | Bose TriPort Consumer Headphones

2 Answers

The headphone jack that goes into the device broke off. Can the wires be soldered back on? If so I see three colors. Red, Blue, and bare copper. Which one goes where on the jack. Do they sell replacement...

Red is for the left speaker, blue for the right and the copper one is the ground. Replacement 3.5mm jacks should be available at all hobby shops. Solder it yourself; the left wire goes to the central connection.

Nov 30, 2009 | Skull Candy Lowrider Headphones

1 Answer

Headphones work, attached mic doesn't

microphone fell so it was hanging by thin wires ...
must have come of the solder...
resoldering should fix it...
p.s. do not try to solder if you're a noob you might ruin it all but if you're confident enough then go ahead

May 30, 2017 | Voyetra Turtle Beach Ear Force X3 Wireless...

2 Answers

I lost the sound on the right ear of my bose around-ear head phones and I checked the lines and nothing is cut, the left ear is working perfectly. Please help!

This may be your headphone jack (what you use to connect it to your ipod or speakers ect.). check the connection there, and if you see the wire became loose near it, that is most likely the problem. You can fix it! With a new headphone jack (available at the Source or Radioshack or other stores like that), and with some manual soldering (it's not too hard, I fixed my myself and I havn't soldered before.) you'll get those headphone to be as good as new. here are the steps to fix this problem.
1. cut your old headphone ******** and strip the wires. you should see two wires; one copper wire and one coloured wire (green or Red) on each cord. there is a total of 4 wires, two per cord.

2. Tin coat the wires. this means to burn the wires a bit (with the soldering iron) and put solder over them. this gets rid of the coating that is on the wires to stop them from shorting out in the cord and helps conductivity when soldering them onto your headphone jack.

3. there should be three holes on your new headphone jack. there should be two prongs left and right of the part you plug into the machine, and there should be one connected to the part that holds the wires once done.

4. connect the coloured wires (red and green) to the left and right prongs of the new jack and secure with solder. These are called the live (or hot) wires because they are the ones that send the signal that makes the sound.

5. connect both of the copper wires to the other hole and secure with solder. these wire are both ground wires, which are very important.

6. by the end, you should have connected four wires. two to the seperate prongs, and two to the third ground hole.

7. test your connection by trying to use your headphones. if it does not work (which may happen, don't get discouraged!) check your soldering. if it is touching any metal it shouldn't be, that means you have created a short circuit. simply burn off the solder (with the soldering iron) and try again.

8. keep trying until you get sound. good luck!

9. Once you get sound, you may want to secure the soldering job. you can either use two part epoxy and put this over your work, or you can tie a knot before you put the cover on you headphone jack. either will work just fine. Also, there sometimes are two metal protrusions that you can bend with plyers to help hold your chord in place.

10. enjoy your fixed, good as new headphones! Enoy hope this helped.


Jun 20, 2009 | Bose Around-Ear Headphones - Silver

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