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HK head unit & NAV dead: update -FIXED!!!
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Rocket Mk2
 


Member Since: 07 Oct 2010
Location: Cambs
Posts: 55

2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Hi wiggs,

I have done the hard reset and joined the + to - terminals. I left for 20 mins like that and re-connected. No power still.

I have continuity checked all the fuses and swapped some over. Fuses are all good.

Will double check the Fuseable link as you say. Thanks Smile

R
 D3 HSE TDV6 '06  
Post #78729218th Apr 2011 3:00 pm
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Rocket Mk2
 


Member Since: 07 Oct 2010
Location: Cambs
Posts: 55

2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Duplicate post - deleted
 D3 HSE TDV6 '06 

Last edited by Rocket Mk2 on 18th Apr 2011 3:25 pm. Edited 1 time in total 
Post #78729418th Apr 2011 3:23 pm
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Rocket Mk2
 


Member Since: 07 Oct 2010
Location: Cambs
Posts: 55

2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Check FL 18. Done another Hard reset - computer still says no.....

Not looking good Crying or Very sad
 D3 HSE TDV6 '06  
Post #78729518th Apr 2011 3:23 pm
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wiggs
 


Member Since: 03 Sep 2006
Location: Manchester
Posts: 14372

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4

Think you may have to start checking voltage at each individual item ...and least to find out if its a break from the main supply to the units .
 G4 Gone ...but not forgotten  
Post #78729718th Apr 2011 3:26 pm
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wiggs
 


Member Since: 03 Sep 2006
Location: Manchester
Posts: 14372

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4

Radio

pin 8 + red / blue tracer
pin 11 + purple / blue tracer
pin 1 - black
pin 12 - black

Nav unit

pin 18 + blue
pin 17 + purple / blue tracer
pin 3 - black
pin 19 - black

Touch screen

pin 1 + purple / blue tracer
pin 11 + blue
pin 2 - black
pin 3 - black

Amp

pin 1 + red
pin 2 - black
 G4 Gone ...but not forgotten 

Last edited by wiggs on 18th Apr 2011 3:47 pm. Edited 2 times in total 
Post #78729918th Apr 2011 3:38 pm
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Rocket Mk2
 


Member Since: 07 Oct 2010
Location: Cambs
Posts: 55

2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

will do.

Thanks

R
 D3 HSE TDV6 '06  
Post #78730018th Apr 2011 3:42 pm
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Rocket Mk2
 


Member Since: 07 Oct 2010
Location: Cambs
Posts: 55

2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

duplicate again - when i click back it keeps re-sending the post....
 D3 HSE TDV6 '06  
Post #78730118th Apr 2011 3:43 pm
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wiggs
 


Member Since: 03 Sep 2006
Location: Manchester
Posts: 14372

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Fuji WhiteDiscovery 4

I have added wiring colours to make it easier
 G4 Gone ...but not forgotten  
Post #78730218th Apr 2011 3:46 pm
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Hobgoblin
 


Member Since: 15 Nov 2007
Location: As always, in the sh*t, it's only the depth that varies
Posts: 1445

Spain 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Kaikoura StoneDiscovery 4

When you say you have checked the fuses, is this only visually or have you put a multimeter accross them to be certain Question , might sound a silly question but sometimes they can 'look' ok, just a thought Idea
 I'm not as good as I once was........but I'm as good once as I ever was.  
Post #78732118th Apr 2011 4:51 pm
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Rocket Mk2
 


Member Since: 07 Oct 2010
Location: Cambs
Posts: 55

2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Hi,

I did a continuity check on them and also swapped some over. I can see a small arc when i reinsert Fuse No 53 in the glovebox.

Thanks for the colour codes and all the tips everyone Bow down

Do i need to remove the front trim panel around the centre console to do the next tests on the live feeds? I am assuming I have to pull each module out and disconnect the power leads in turn to check V inputs?

Certainly going to be ramping up my Disco skills now..

Where is the amp Neutral
 D3 HSE TDV6 '06  
Post #78743918th Apr 2011 9:15 pm
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Rocket Mk2
 


Member Since: 07 Oct 2010
Location: Cambs
Posts: 55

2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Update:

Been in to Landrover to get some suspension parts fixed and they checked the stereo whilst it was in. The Head unit 6 stack CD part has failed and hence does not power up the other units. Been quoted £1200 to replace it if I want a new one, or they are ok to refit another if I can get it repaired.

Have found this company that repair them http://www.mapleaudio.co.uk/

Anyone used them before?
 D3 HSE TDV6 '06  
Post #79619113th May 2011 3:38 pm
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Rocket Mk2
 


Member Since: 07 Oct 2010
Location: Cambs
Posts: 55

2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Anyone???

Its the 6 stack CD unit that has failed.

6CD 465

Part No VUX500330
 D3 HSE TDV6 '06  
Post #79669515th May 2011 11:18 am
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Rocket Mk2
 


Member Since: 07 Oct 2010
Location: Cambs
Posts: 55

2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Further update and a warning to all....

I have the head unit out of the car and have taken off the top cover. I can see crystalline deposits on the circuit board where water must have dripped down into it from above !!

Bare in mind that one evening the system was working fine and the next morning it had failed. I had noticed one of the children's plastic drinks containers on the small shelf in front of the sat nav display but it was empty - I thought nothing of it at the time until now.

It looks like some water from the bottle has come out onto the shelf and then dripped into the head unit causing it to fail. What made matters worse was the Disco was parked facing down on a steep drive so the water easily found a route under the sat nav display and into the stereo.

Maple Audio are aware of this fault and say that it is hit and miss whether they can save the unit or not. It depends how badly the board is damaged. I am sending it off to them - if they cant repair there is no fee, just courier charge of £15 to send it back.
 D3 HSE TDV6 '06  
Post #79752817th May 2011 8:43 am
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Rocket Mk2
 


Member Since: 07 Oct 2010
Location: Cambs
Posts: 55

2005 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Last update.

Head unit could not be repaired so bought another new from TLO. Can send old unit back as its and exchange part.

Arrived in the post today, literally plugged it in and the whole system is up and running again.

So keep your drinks off the shelf in front of the SAT NAV - even the ones with lids - they may not be a leaktight as you think...

Expensive lesson...

R
 D3 HSE TDV6 '06  
Post #79941423rd May 2011 12:07 pm
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icestationzebra
 


Member Since: 05 Nov 2008
Location: Cheshire
Posts: 598

United Kingdom 2006 Discovery 3 TDV6 S Manual Bonatti GreyDiscovery 3

Have started to go thru this section in detail as I have stereo problems ie lack of sound but unlike you the unit has power. Can I ask you how you extract the head unit out of the dashboard?
  
Post #79955923rd May 2011 7:18 pm
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