Question about Garmin nuvi 350 GPS Receiver

1 Answer

Please post the steps for replacing the internal speakers for nuvi 350

Even the voice on my GPS is not clear and cracks.... I am just outside the warranty... :(

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  • Zenifar Aug 25, 2008

    Dear Jim,

    You are right. I checked with a headphone and it is working perfect.
    Can you please let me know if it it possible to replace the speakers?
    If you can give me the steps and where to find the part,,, I would be really grateful....
    Thanks.

  • SHARCNET-USA
    SHARCNET-USA May 11, 2010

    Finding the part is easy. Taking your Nuvi apart isn't and I wouldn't recommend it unless you have the proper tools to do so.

  • SHARCNET-USA
    SHARCNET-USA May 11, 2010

    I haven't had the opportunity to try to second source an internal speaker (1.3" - low profile) for the Nuvi. Have you tried listening through the headphone jack? Is the sound ok there? If it is ok, then you do probably have a bad speaker.



    If it sounds bad there too, then it isn't your speaker.



    The headphone jack contains an electrical switch that switches the sound from the speaker to the headphone jack. This means the same audio output stage that drives your speaker, also drives the headphone jack.



    So, if your sound is bad in both the speaker and headphone jack, then the problem is in the audio output stage.



    If the problem is only present while using the internal speaker, then indeed the speaker is at fault.



    I need more info... try listening to the sound through the headphone jack. Is it ok there?



    Also, the internal speaker has a 2 position plug on it that plugs into the motherboard. A new speaker will probably not have wires (blue/black) attached to it, therefore you'll have to unsolder the wires from the bad speaker and move them over to the new one.



    Also, taking apart the Nuvi requires the right tools. You also take a risk in damaging the internal flex cables. There's three of them.



    Let me know if you would like for me to fix this for you. I'll try to locate a replacement speaker for you. I also have a modification for the power switch issue. Info about that can be found in this forum. Contact me at ks3r at sharc dot net.



    - Jim

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I would suggest you replace the unit with a tom tom garmin is not a top of the line system and most people that buy them are having problems with them

Posted on Aug 25, 2008

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Tip

No Sound or Garbled Sound on a Nuvi Series GPS


I've seen many posts of "No Sound" or "Garbled Sound" for the Garmin Nuvi Series. This is a common problem with the Nuvi.

In order to troubleshoot this problem, we need to determine if it's a hardware or software issue or a setting issue.

No Sound:

1. Try the obvious. Is your volume setting turned up?

2. Is the sound muted with the mute button?

3. If your Nuvi has a FM transmitter, is it selected to "FM" or "Speaker"? The "FM" setting will mute the internal speaker. Setting it to "Speaker" will send sound to the speaker.

Garbled Sound:

1. Does the sound seem to be better at lower volume settings?

If you still can't hear audio or if the sound is garbled, then we now have to determine if the internal speaker is defective. The easiest way to do this is:

1. Plug a set of headphones into the headphone jack. Now try listening to the sound. Listen for the touchscreen beeps, MP3 audio, voice directions, etc. Try adjusting the volume using the headphones. If you can hear sound through the headphones and it's clear and not garbled, then your internal speaker is defective.

The headphone jack is not only a jack but it's also a switch. When you plug in your headphones, the audio amplifier of your Nuvi is switched from the internal speaker to the headphone jack. When you unplug the headphones, your Nuvi's audio amplifier is reconnected to the internal speaker.

Now, if you can't hear audio through either the internal speaker or the headphone jack, you may have a different problem.

1. The internal audio amplifier (hardware) is defective.
2. There is a software problem. You could try resetting your Nuvi with the reset button or perform a factory reset. The software problem is more likely if you can hear MP3 audio or touch screen beeps but not speech.

The internal speaker has a voice coil. The voice coil is nothing more than a thin piece of long wire, wrapped around a magnet, numerous times. If you can't hear any sound, it is very likely that this coil is "open"; meaning that the wire has broken inside. If the sound is garbled, this is an indication that the speaker is mechanically defective and not reproducing the sound as it should. The speaker has a "diaphram" that moves in and out as it reproduces sound. If the diaphram has been damaged, it can't move in or out like it should and reproduce the sound clearly. There is also a possiblity that the voice coil has shorted windings, meaning that instead of it being a long piece of wire, it's now shorted to its adjacent windings and is electrically shorter now. Again, this can impact the reproduction of sound.

So, why did your speaker go bad?

1. It's possible it was defect in the manufacturing process and failed prematurely.
2. You might have had the volume up too high. I recommend using the lowest volume level possible. High volume levels put greater stress on the diaphram and may overheat the voice coil.
3. A speaker is an electro-mechanical device. It's subject to being damaged if you happen to drop or jar your Nuvi and/or operate it outside of its normal operating parameters.

What's the Next Step?

If your Nuvi is under warranty, I strongly suggest that you contact the manufacturer and tell them what happened. Tell them all of the steps you have gone through to confirm that the speaker is defective. If the warranty is still in effect, they should repair or replace your Nuvi.

If your Nuvi is out of warranty, try calling the manufacturer anyway. You have nothing to lose. Maybe they will replace it anyway.

If you have no sucess with the manufacturer, you will need to take your Nuvi to someone who is qualified in repairing your Nuvi.

I hope this tip has been helpful to you. Feel free to contact me if you have further questions or require further assistance with this problem.

Best wishes,
- Jim
http://www.sharcnet-usa.com

on Oct 01, 2008 | Garmin Nuvi 350 Car GPS Receiver

Tip

No Sound or Garbled Sound on a Garmin Nuvi GPS


I've seen many posts of "No Sound" or "Garbled Sound" for the Garmin Nuvi Series. This is a common problem with the Nuvi.

In order to troubleshoot this problem, we need to determine if it's a hardware or software issue or a setting issue.

No Sound:

1. Try the obvious. Is your volume setting turned up?

2. Is the sound muted with the mute button?

3. If your Nuvi has a FM transmitter, is it selected to "FM" or "Speaker"? The "FM" setting will mute the internal speaker. Setting it to "Speaker" will send sound to the speaker.

Garbled Sound:

1. Does the sound seem to be better at lower volume settings?

If you still can't hear audio or if the sound is garbled, then we now have to determine if the internal speaker is defective. The easiest way to do this is:

1. Plug a set of headphones into the headphone jack. Now try listening to the sound. Listen for the touchscreen beeps, MP3 audio, voice directions, etc. Try adjusting the volume using the headphones. If you can hear sound through the headphones and it's clear and not garbled, then your internal speaker is defective.

The headphone jack is not only a jack but it's also a switch. When you plug in your headphones, the audio amplifier of your Nuvi is switched from the internal speaker to the headphone jack. When you unplug the headphones, your Nuvi's audio amplifier is reconnected to the internal speaker.

Now, if you can't hear audio through either the internal speaker or the headphone jack, you may have a different problem.

1. The internal audio amplifier (hardware) is defective.
2. There is a software problem. You could try resetting your Nuvi with the reset button or perform a factory reset. The software problem is more likely if you can hear MP3 audio or touch screen beeps but not speech.

The internal speaker has a voice coil. The voice coil is nothing more than a thin piece of long wire, wrapped around a magnet, numerous times. If you can't hear any sound, it is very likely that this coil is "open"; meaning that the wire has broken inside. If the sound is garbled, this is an indication that the speaker is mechanically defective and not reproducing the sound as it should. The speaker has a "diaphram" that moves in and out as it reproduces sound. If the diaphram has been damaged, it can't move in or out like it should and reproduce the sound clearly. There is also a possiblity that the voice coil has shorted windings, meaning that instead of it being a long piece of wire, it's now shorted to its adjacent windings and is electrically shorter now. Again, this can impact the reproduction of sound.

So, why did your speaker go bad?

1. It's possible it was defect in the manufacturing process and failed prematurely.
2. You might have had the volume up too high. I recommend using the lowest volume level possible. High volume levels put greater stress on the diaphram and may overheat the voice coil.
3. A speaker is an electro-mechanical device. It's subject to being damaged if you happen to drop or jar your Nuvi and/or operate it outside of its normal operating parameters.

What's the Next Step?

If your Nuvi is under warranty, I strongly suggest that you contact the manufacturer and tell them what happened. Tell them all of the steps you have gone through to confirm that the speaker is defective. If the warranty is still in effect, they should repair or replace your Nuvi.

If your Nuvi is out of warranty, try calling the manufacturer anyway. You have nothing to lose. Maybe they will replace it anyway.

If you have no sucess with the manufacturer, you will need to take your Nuvi to someone who is qualified in repairing your Nuvi.

I hope this tip has been helpful to you. Feel free to contact me if you have further questions or require further assistance with this problem.

Best wishes,
- Jim
http://www.sharcnet-usa.com

on Sep 30, 2008 | Garmin Nuvi 660 GPS Receiver

Tip

No Sound Issue on the Garmin Nuvi Series


I've seen many posts of "No Sound" or "Garbled Sound" for the Garmin Nuvi Series. This is a common problem with the Nuvi.

In order to troubleshoot this problem, we need to determine if it's a hardware or software issue or a setting issue.

No Sound:

1. Try the obvious. Is your volume setting turned up?

2. Is the sound muted with the mute button?

3. If your Nuvi has a FM transmitter, is it selected to "FM" or "Speaker"? The "FM" setting will mute the internal speaker. Setting it to "Speaker" will send sound to the speaker.

Garbled Sound:

1. Does the sound seem to be better at lower volume settings?

If you still can't hear audio or if the sound is garbled, then we now have to determine if the internal speaker is defective. The easiest way to do this is:

1. Plug a set of headphones into the headphone jack. Now try listening to the sound. Listen for the touchscreen beeps, MP3 audio, voice directions, etc. Try adjusting the volume using the headphones. If you can hear sound through the headphones and it's clear and not garbled, then your internal speaker is defective.

The headphone jack is not only a jack but it's also a switch. When you plug in your headphones, the audio amplifier of your Nuvi is switched from the internal speaker to the headphone jack. When you unplug the headphones, your Nuvi's audio amplifier is reconnected to the internal speaker.

Now, if you can't hear audio through either the internal speaker or the headphone jack, you may have a different problem.

1. The internal audio amplifier (hardware) is defective.
2. There is a software problem. You could try resetting your Nuvi with the reset button or perform a factory reset. The software problem is more likely if you can hear MP3 audio or touch screen beeps but not speech.

The internal speaker has a voice coil. The voice coil is nothing more than a thin piece of long wire, wrapped around a magnet, numerous times. If you can't hear any sound, it is very likely that this coil is "open"; meaning that the wire has broken inside. If the sound is garbled, this is an indication that the speaker is mechanically defective and not reproducing the sound as it should. The speaker has a "diaphram" that moves in and out as it reproduces sound. If the diaphram has been damaged, it can't move in or out like it should and reproduce the sound clearly. There is also a possiblity that the voice coil has shorted windings, meaning that instead of it being a long piece of wire, it's now shorted to its adjacent windings and is electrically shorter now. Again, this can impact the reproduction of sound.

So, why did your speaker go bad?

1. It's possible it was defect in the manufacturing process and failed prematurely.
2. You might have had the volume up too high. I recommend using the lowest volume level possible. High volume levels put greater stress on the diaphram and may overheat the voice coil.
3. A speaker is an electro-mechanical device. It's subject to being damaged if you happen to drop or jar your Nuvi and/or operate it outside of its normal operating parameters.

What's the Next Step?

If your Nuvi is under warranty, I strongly suggest that you contact the manufacturer and tell them what happened. Tell them all of the steps you have gone through to confirm that the speaker is defective. If the warranty is still in effect, they should repair or replace your Nuvi.

If your Nuvi is out of warranty, try calling the manufacturer anyway. You have nothing to lose. Maybe they will replace it anyway.

If you have no sucess with the manufacturer, you will need to take your Nuvi to someone who is qualified in repairing your Nuvi.

I hope this tip has been helpful to you. Feel free to contact me if you have further questions or require further assistance with this problem.

Best wishes,
- Jim

on Sep 30, 2008 | Garmin nuvi 350 GPS Receiver

1 Answer

I have my garmin nuvi 350 on max volume control and still have difficulty hearing prompts is there a secret way i can override and increase the volume even more?


Maybe you speaker is defective. have you tried plugging in a set of headphones and listening if the audio is louf throgh the headphones?

There is ano secret way to do what you are asking. While there is a way to change the volume for the voice within the voice file, you need a hex editor do this and it's beyond the scope of this forum.

- Jim

Dec 12, 2008 | Garmin nuvi 350 GPS Receiver

1 Answer

Nuvi 350 will come on but will not stay on


The internal batteries are not user replaceable. Please don't try to do this yourself. I've received numerous emails from people who have destroyed the Nuvi attempting to do this. I have replaced numerous Nuvi batteries. The life of the battery depends on how many cycles its gone through.

- Jim

Nov 29, 2008 | Garmin Nuvi 350 Car GPS Receiver

1 Answer

Sound Breaks up on my GPS if I raise Speaker over medium


Try listening with headphones rather than the internal speaker. If you can hear the sound in the headphone jack clear with the volume all the way up, then the internal speaker is bad.

- Jim

Sep 25, 2008 | Garmin nuvi 350 GPS Receiver

1 Answer

Nuvi 350 Garbled voice


How is the other sound? Like MP3 sound? Is it garbled there? Try using headphones. If the sound is good there, then your internal speaker is bad.

Email me at ks3r at sharc dot net if you are interested in me fixing this for you.

- Jim

Sep 10, 2008 | Garmin Touch Screen GPS Receiver

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