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DISCO4.COM > In Car Electronics (D3)

Sound system on the blink
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Member Since: 15 Jun 2007
Location: Sunny Cyprus
Posts: 3054

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

Hiya guys

There aint no by chance element here

Every ECU fitted on the most bus has its own Power supply conversion circuitry that may be affected by the overall internal temperature of the vehicle.

You may well have been distracted and side stepped into believing that your IHU had a dried out capacitor that was being affected by the overall temperature of the vehicle, but what if this were the case with your TMC module or other.

You need to follow the light and by pass each module on the Most bus in turn to discover the true culprit of your problem..  
Post #95477814th Jul 2012 8:15 pm
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NIDISCO
 


Member Since: 25 Jul 2012
Location: TOBERMORE
Posts: 14

Northern Ireland 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Having a similar problem with mine....sat nav not functioning and radio with no volume altho it is functioning perfectly otherwise....screen is stuck on landrover logo and doesnt change...any update on this??  
Post #9628135th Aug 2012 8:21 pm
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johnnychainsaw
 


Member Since: 24 Nov 2009
Location: West Sussex
Posts: 1222

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Still awaiting to have MOST system checked, still having problem but getting by all the time air con is keeping temp down. Hopefully taking it up to Billing show next weekend so Geoff can get his hands on it with an optic loop thingy. 

Last edited by johnnychainsaw on 5th Aug 2012 9:42 pm. Edited 1 time in total 
Post #9628175th Aug 2012 8:34 pm
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6308

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

NIDISCO wrote:
Having a similar problem with mine....sat nav not functioning and radio with no volume altho it is functioning perfectly otherwise....screen is stuck on landrover logo and doesnt change...any update on this??


NIDISCO

You need to do a hard reset first bud look in the wiki at the top of this page..then it needs to checked to see which ecu is not responding .. I am taking my fibre optic loop cable to the billing show just for this same issue..

Flack Thumbs Up  
Post #9628625th Aug 2012 9:29 pm
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geoff.
 


Member Since: 24 Jan 2010
Location: West kent
Posts: 8531

England 

Well spent a couple of hours on this yesterday and seem to have found the problem fingers crossed Rolling with laughter

Looped out the sat nav screen And all seems to work fine so it looks like the screen is over heating Thumbs Up  
Post #9723712nd Sep 2012 10:19 am
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johnnychainsaw
 


Member Since: 24 Nov 2009
Location: West Sussex
Posts: 1222

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Cheers for your help Geoff, radio still working (no more singing) see you in a couple of weeks. Thumbs Up  
Post #9723912nd Sep 2012 11:23 am
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Mikeyb
 


Member Since: 08 Nov 2016
Location: Maldon, Essex
Posts: 516

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

Well, it's been a while since this thread was posted on but may I ressurect?

What chance have I in tracing and intermittent sat nav and radio reboot?
Can happen on or twice in a journey or not for a day or two.

A relay click or similar with blank screens followed by reboot with clock set back to 00:00. Sometimes everything back to normal, occasionally no control of volume on radio, which remains on when ignition turned off. (fixable by battery disconnection or following random reboot!)

Any ideas please? Not such a Disco Newbie now!
IID BT  
Post #226300818th Nov 2021 9:25 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10689

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

I’D get a replacement head unit off eBay.  
Post #226301118th Nov 2021 10:13 pm
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Mikeyb
 


Member Since: 08 Nov 2016
Location: Maldon, Essex
Posts: 516

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

I did wonder to start from there, however some of the conversation in the above thread made me hesitate Not such a Disco Newbie now!
IID BT  
Post #226304419th Nov 2021 7:59 am
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