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tbabb
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I had a problem with my audio system driving home in my 2012 range sport. static noise was coming out of the radio, when I switched it to cd…same thing. In fact I turned off the radio completely and it was still coming through the speakers, loud and annoying. Any suggestions as to what it is? I have tried turning the car on and off and nothing. I will take it in to the dealership in the am. So many issues with this car, starting to think it wasn't worth the purchase price.
 

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tbabb
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I had a problem with my audio system driving home in my 2012 range sport. static noise was coming out of the radio, when I switched it to cd…same thing. In fact I turned off the radio completely and it was still coming through the speakers, loud and annoying. Any suggestions as to what it is? I have tried turning the car on and off and nothing. I will take it in to the dealership in the am. So many issues with this car, starting to think it wasn't worth the purchase price.
 

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I have had a similar issue in both a Discovery and an LR3. In my case, I finally narrowed it down to the ignition key. Your situation may be different.

When driving the Disco, my wife would turn and really crank the key to the start position and hold it hard and firm. What was happening over time is every now and then the key would not spring the entire way back, there was still just a fraction of millimeter or so that it could spring back further if you manually tristed the key. Whenever she did this and it did not fully spring back, all sorts of crazy things would happen. The radio would not work sometimes, the climate control would be frozen, etc.

When I discovered this, I began to always manually twist the key back to position II each start and had no issues.

When I took her LR3, I was still in the habit of twisting the key back manually. One day I got in did the usual start/twist with the key and the radio would not work (lights but no sound). Like many here, eventually it came back on after some driving and a couple restarts. The next time I had an issue, some interior stuff also went awry and it dawned on me that I was still twisting the key like the Disco, but I did not need to because the spring action was fine. In this case I was twisting the key a fraction past the II position toward I.

I stopped twisting the key back and have not had an issue since. So, my guess is that in some cases, people may be inadvertently over/under tristing the key in the ignition and it somehow causes electrical gremlins to pop up. I hope it helps at least someone here! I am sure some of these issues may be real mechanical issues too, but play around and see what happens!
 

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Hard Reset Instructions

I am posting the Hard Reset Instructions below as sometimes a hard reset can fix a no sound problem. I do not know why and the hard reset is no guarantee of a fix but it costs nothing to do and is fairly easy to do as well. Nothing get wrecked and sometimes the radio starts up again.

Hard Reset Instructions

In brief, to start the hard reset process, open the hood but close all doors and let your 3 go to sleep - no radio display etc and no key in the ignition. This will take a couple of minutes and do not open any doors until the reset is completed. (I find that it is often a good idea to have the drivers door window rolled down and the key in my pocket whenever fooling about the vehicle.) Also when I play with a car battery, I remove any rings I have from my fingers, also my watch.

Disconnect the ground battery terminal from the main starting battery.
Disconnect the positive battery terminal from the main starting battery.

The reason for this order is if a wrench or loose battery cable ends grounds to the body, no arcing or other bad things happen.

(I assume that you only have one battery in your 3. If not, disconnect the others as well and leave them disconnected until after all is done.)

Connect the negative cable to the positive cable. (NOT the battery.) To do this, you will need a short length, (a foot or so), of light gauge, (14 to 18 gauge AWG, insulated stranded copper), wire to span between the battery cable ends as there is not enough slack in the positive and negative battery cables for the ends to touch each other.

Hold all together for about a minute or more, (at least two minutes), as you are discharging memory modules within the engine computer and elsewhere. Then it is suggested you then just let all sit disconnected for say ten minutes, (minimum five minutes), prior to commencing to put the battery cable ends back on the battery posts per the following order.

Reattach positive terminal to the main starting battery positive post.
Reattach negative terminal to the main starting battery negative post.

Start engine and hopefully within a minute of so, you hear the radio again.
Reset time on the radio - note that the station presets are still there as not everything is erased. Nothing much else needs resetting either.
You can also now connect up the other batteries if you have a multiple battery setup.

This is a link to a thread in disco3 re the hard reset procedure. DISCO3.CO.UK - View topic - Hard Reset

DISCO3.CO.UK - View topic - Hard Reset

This is a link to a thread on Disco3Club re the hard reset procedure.
Disco3Club The Discovery 3 and 4 Owners Club ? Login
 

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Hello ROVERANDOM
Living in a little french island in Indian Ocean, with in summer a quite wet weather. I've a 06 LR3 with the same problem with radio sound desapearing time to time. I suppose as you suggest its a problem of corroded wire, located under the plastic cover on passenger side (left hand driving)
Ive alreday repaired this sort of problem with the remote control of doors... But for the radio, wich wires are concerned, do you have a colour indication ?
Regards and forgive me for my poor english
 

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The link below is to a number of files related to the infotainment system.

One of the files when opened is a 12 page wiring pdf that you can copy, save and then print out. The wiring pdf shows wire colours in a code as follows: B black; G green; K pink; LG light green' N brown; O orange; P purple; R red; S grey; T transparent; U blue; W white; Y yellow.

DISCO3.CO.UK Photo Gallery - NAV Radio BlueTooth phone and Rosen DVD

Incidentally, your English is a lot better than many who live here in Canada.

Which French island are you referring to as France has many, including in the Pacific.
 

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Thanks a lot, I"ll try next weekend and hope I"ll be able to find the right wires.
The French island in wich I live is Reunion Island (Ile de la Réunion in french) : about 800 km to the east of Madagascar, and 150 km to Mauritius island. We are in the south Indian Ocean and continental France is about 10 000 km far. Reunion and Mauritius were both French colonies, but in 1814 Mauritius was let to Great Britain (something like the Canada's history ... but much smaller !!!)
Reunion Island is a quite young volcanic island, and as I'm writing, our volcano "Piton de la Fournaise" (an hawaian volcano type) is
erupting.
 

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the MH 370 island

Yes, Réunion, I have heard of it; actually read about it in various 18th century sea novels etc as well as more recently with the parts of that Malaysia Airlines Flight 370 washing ashore.

MH370 debris confirmed: Number on washed-up wing matches missing jet, French prosecutor says | National Post

I cannot say I have been there but I did spend a week or so in Nouvelle Calédonie in the South Pacific and I have about 15,000 km driving a Renault about France and the EU.

Below is the Wikipedia link to Reunion.

https://en.wikipedia.org/wiki/Réunion

Good luck with the radio - it will not be easy.
 

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Audio system has full function but no sound 2005 Sport HSE

Turned on my radio and crackle no sound. Turned volume right up and got message on radio screen low battery mode.
Dealer could not access system to check out the problem so as I'm from the trade myself decided to investigate.

All fuses behind glove box for audio system were fine but swapped them out as matter of course.
14.5v was registered at the back of the amplifier under the drivers seat (Harman/Karon) checked wiring at terminals all seamed good.

On board self diagnostics confirmed fibre optic loop was ok. Removed radio to check for wiring at terminals all ok.
Sent radio head away to a Alpine repair specialist and they confirmed software was corrupt so re-programmed the unit.

Refitted but still no sound.
Removed Harmon amplifier and took apart for internal inspection. No burning or cracked solder joints are apparent.

Now have tried three hard re-boots of the vehicle electrics still with no result.

I'm guessing the amplifier is faulty but no one wants to bench test it for me so vehicle I'd going back to the dealer now the radio head is re-programmed let's hope they can now access the audio system via their plug in diagnostics.

Will post results.
 

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Not revive a dead thread, but I figured someone stumbling across this might be able to point me in the right direction...

06 LR3 HSE. Radio volume works 20% of the time. Comes on randomly. When it's not working, it's almost like the radio doesn't even recognize the knob - it doesn't say "Audio Volume" or show any of the volume numbers like when it's working.

Pooling water in passenger footwell. I have replaced passenger sunroof drain, warped windshield cowl and blew out both AC drains. It's drying out slowly.

Question...could the water be affecting my intermittent volume issue or does that sound amp or software related?
 

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Not revive a dead thread, but I figured someone stumbling across this might be able to point me in the right direction...

06 LR3 HSE. Radio volume works 20% of the time. Comes on randomly. When it's not working, it's almost like the radio doesn't even recognize the knob - it doesn't say "Audio Volume" or show any of the volume numbers like when it's working.

Pooling water in passenger footwell. I have replaced passenger sunroof drain, warped windshield cowl and blew out both AC drains. It's drying out slowly.

Question...could the water be affecting my intermittent volume issue or does that sound amp or software related?
Post #16 of this thread sounds like the same thing you are experiencing. They posted the solution as well.
 

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hard reset first

See my post above, #24 regarding how to do a hard reset.

It costs nothing, damages nothing, and sometimes fixes the radio.

You problem sounds a bit different is that I guess you do have sound/music but at a low level?

If so, maybe the hard reset will not work as for me, I get no sound a all, usually after a battery change out or new alternator being installed - something that totally depowers the 3 for awhile. I think it might be caused as a result of disconnecting the battery before the truck has gone to sleep and hence the audio software or whatever gets corrupted.

The hard reset seems to straighten that out, or whatever.

As I said, costs nothing and does not wreck anything and might solve the problem. If it does, let us know. I guess let us know regardless.

Water and the wires never seem to mix well.

Water collects in the under door sill channels and takes months to dry out but I do not think any audio system wires are there - mostly under the carpet thru the centre console and in the doors to the speakers.

That said, I also like the post #16 solution where the those wires are under the edge of the carpet and parallel the drivers door sill channel.
 
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