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Audio System Dead
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nikademus
 


Member Since: 08 Sep 2006
Location: Geelong
Posts: 61

Australia 2012 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4
Audio System Dead

My 2005 TDV6 audio system has stopped functiong. It will turn on and off and shows AUX selected. I can't change the input or get any noise out of it. Ican't access the clock or anything to reset time. Anyone seen anything like this?
 Disco 2 TD5 "Good"
Disco 3 TDV6 "Better"
Disco 4 HSE SDV6 "Best"
The older I get, the better I was. 
 
Post #70450817th Oct 2010 10:11 am
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Comanche
 


Member Since: 22 Jul 2010
Location: So far behind I think I'm first!
Posts: 960

Wales 

Hi there,
Had a similar problem with mine on a trip back from Skye last month, It packed up 1 hr into a 15 hr drive, Oh how I laughed.
After 3 hrs I stopped at the services and locked the car up, on return, it was all working correctly... no further problems since
 I started off with nothing and Ive still got most of it left.  
Post #70458817th Oct 2010 3:19 pm
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bigdave
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Member Since: 04 Jul 2008
Location: Cornwall
Posts: 9868

England 

Mines been doing this since I've had it.

It happens once every few weeks.

Turn off, lock the car, leave it 15mins and hey presto tunes are back.

Just a little hissy fit I reckon!

Dave
 All things shipping, storage, transport. UK and worldwide.

E-mail [email protected] 
 
Post #70459117th Oct 2010 3:23 pm
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BBS SPY
Site Sponsor 


Member Since: 15 Jun 2007
Location: Sunny Cyprus
Posts: 3054

Cyprus 2005 Discovery 3 TDV6 Base 7 Seat Auto Bonatti GreyDiscovery 3

As many will know, the Hi or Premium audio systems use a fibre optic MOST (Media Oriented System Transport) bus.

This is a great system IMHO, but it does have a drawback in that the MOST bus is a loop circuit going in and out of each connected ECU in turn before being finally connected back to the first ECU in the loop. (The Integrated Head unit)

Each ECU takes the light sent it by the one before and then re creates and transmits it to the next.

If any ECU has a hissy fit or loss of power and stops doing this, the chain is broken and the system goes down like a deck of cards.

As many will know, i personally retro fitted my own base spec D3 with a MOST system.
http://www.disco3.co.uk/forum/topic37092.html?

However not long after, the system started playing up, shutting down and blowing a fuse.
I tracked this down to a common seat mount problem you might want to look at.
http://www.disco3.co.uk/forum/topic37595.html?highlight=

This solved the problem, however several months later and as yet undocumented here, i discovered a problem that high lights just how sensitive this system is to problems. The symptoms being that the system would go silent whan i hit a bump or opened the rear tail gate.

In my initial retro fitment, due to not then having long lengths of MOST bus fibre optic bits, I elected to re locate the Phone and TMC units close to the Centre Console area. In doing so i neglacted to appreciate that i was not supplying the TMS unit with a direct "to body" earth.

However the Unit was getting an earth via the cosx cable connected to the TMC antennea amplifier mounted in the tail gate and everything worked OK.

The earth to the tailgate was on my D3 provided soley via the hinges, (I note on other later D3's that thare is an additional earth strap). A bump or opening of the tailgate was all that was required to isolate this earth, causing my TMC to power down and break the MOST bus Chain.

I hope this helps some.
  
Post #70465317th Oct 2010 6:47 pm
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Phil1644
 


Member Since: 14 Nov 2009
Location: Probably still in work!
Posts: 303

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Zambezi SilverDiscovery 3

Mine has done this a couple of times in the last week, (base CD400 set up). On the way to work yesterday it froze on one station with no volume, I couldnt change station or anything, but it would switch on and off. I switched the car off when I arrived at work with the radio still on (but switching the ignition off turned the radio off). When I came out knackered ten hours later and started the car, the radio was blaring and freely changed stations!
  
Post #70486918th Oct 2010 8:32 am
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caverD3
 


Member Since: 03 Jul 2006
Location: Oberon, NSW
Posts: 6922

Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

Tht's why I replaced my low line with an after market HU.
 â€œThere are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games”
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System. 
 
Post #70489518th Oct 2010 9:20 am
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CraigP
 


Member Since: 22 Feb 2010
Location: East Yorks
Posts: 41

England 2011 Discovery 4 3.0 TDV6 XS Auto Buckingham BlueDiscovery 4

I keep having problems with my radio/cd etc. I have to remove the fuse for the system then refit it. It then re-boots itself then I’m ok for a few weeks. Marvellous isn’t it.
  
Post #70513418th Oct 2010 6:33 pm
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nikademus
 


Member Since: 08 Sep 2006
Location: Geelong
Posts: 61

Australia 2012 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

i unplugged the battery and that fixed it.... untill it happened again.

any good ideas for a permanant fix?

its a CD400 set up.
 Disco 2 TD5 "Good"
Disco 3 TDV6 "Better"
Disco 4 HSE SDV6 "Best"
The older I get, the better I was. 
 
Post #70626921st Oct 2010 6:02 am
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