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D3 6CD Radio Issues
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Green Bob
 


Member Since: 03 Feb 2017
Location: Teesside
Posts: 1

United Kingdom 2005 Discovery 3 TDV6 S Auto Zambezi SilverDiscovery 3
D3 6CD Radio Issues

I appreciate there are dozens of threads on this very issue, however I can't find any with the same problems we are facing:

The unit is a hiline 6CD multichanger, part number: VUX500320.

The radio would not turn on at all. Display didn't light up.
All manner of hard reset and fuse-pulling achieved nothing on Tuesday night.
When reconnecting the CD changer can be heard cycling through, so there is definitely power going to the unit.

Removed unit and removed disconnected face. No noticeable damage to any tracks on PCB of unit.
Left car on trickle charge with disconnected battery overnight.
Earthed positive cable with jump lead for 10/15 mins.
Refitted unit and refitted battery etc.
Still nothing.

Hard reset again with unit fitted.

This time, the display lights up, but the buttons, they do nothing.

On turning ignition off, once the display light turns off, the power button lights the display up again and the volume knob now works and gives sound, albeit static. The volume knob then changes how loud the static is, but the unit will not turn off with the power button.
Turning the ignition on then off and removing the key turns it off again, as it did when it was working.

To me, this says the radio unit itself is dead as a dead thing, but has anyone faced any similar issues/got any ideas I haven't tried?

My ideal solution is to have another disco to swap head units with to narrow down what's at fault, but i don't have a spare lying around sadly.

Any help appreciated!

Edit: Forgot to say, the display only lights up, there is no information displayed when lit up or off, no clock, no nothing.
  
Post #194575416th May 2018 6:54 pm
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