 | Home > Technical > Sudden radio interference |
 
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731   
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Help requested:
Turned on my radio this morning (LR Puma issue) and there was loads of crackling and interference. Still there tonight. I haven't driven the 110 for a few days and the last thing I did was scrap the reverse park sensor. Only electrical connections were to the reversing lamp and I encased those cables (individually) in resin (where the insulation had been cut by the connectors). The aerial is standard LR telescopic and I have checked it is screwed down and earthed. If I unplug the aerial cable to the radio, it goes quiet (no crackling). The reversing lamp works fine (no short) and besides, if all lamps are off at the back how could its cables interfere? Can a telescopic aerial "break" inside? Wobbling the antenna doesn't make it worse. Any ideas, however bizarre, most welcome. I'm fresh out of them 
Ta very much, Matt Tell someone you love them today because life is short. But shout it at them in German because life is also terrifying and confusing... |
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19th Oct 2012 6:16pm |
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| me@td5.org Member Since: 16 Jan 2011 Location: Warwick Posts: 856 
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Does the crackle change pitch at all with speed or load?
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19th Oct 2012 7:08pm |
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731
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No... but I just took the radio out to check all the cabling again and hit (or rather "dropped") it a bit and now the crackling has stopped. Dry joint perhaps
 According to the label, the radio was made in Mexico in 2002.
I'm thinking another warranty issue 
Cheers guys Matt Tell someone you love them today because life is short. But shout it at them in German because life is also terrifying and confusing... |
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19th Oct 2012 7:45pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20115 
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Or get a new one under warranty then sell it for top price being brand new and then get an aftermarket one.
 Kenwood cough cough 
Perfect excuse. NEVER SURRENDER! ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧 |
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19th Oct 2012 7:48pm |
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731
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Life is cruel
Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing... |
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19th Oct 2012 7:52pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20115
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From another thread now it makes sense. I forgot you put the Kenwood in the other car. So you've just got the LR unit with aux in I guess NEVER SURRENDER! ⛽️🛢️👨🔧🧰⚙️ RED, WHITE & BOOST! 🇬🇧
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19th Oct 2012 9:10pm |
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| AndyS Member Since: 18 Aug 2012 Location: London Posts: 595 
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My one crackles when the air-con is on, could it be that, something you've switched on?
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19th Oct 2012 9:17pm |
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731
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Aux works fine  Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing... |
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19th Oct 2012 9:34pm |
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731
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Don't think so - I've fiddled with everything. Wife thought I'd lost my marbles when I asked her to listen to the radio and put the car in reverse whilst I crawled under the rear mudflap  Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing... |
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19th Oct 2012 9:36pm |
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| kmac Member Since: 07 Oct 2009 Location: Middlesex Posts: 1301 
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Do you have another radio you can plug into the Defender so you can eliminate the radio as the cause? I had this in the wife's Golf and assumed it was the radio itself. Changed that and problem persisted but after a while it cleared itself so I'm none the wiser, other than knowing at least it wasn't the radio unit itself that was causing the issue.
The other thing you can then do is disconnect the aerial at the retractable aerial end and radio end and run another cable from the radio to the aerial - that will eliminate another section. |
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19th Oct 2012 10:55pm |
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| ZeDefender Member Since: 15 Sep 2011 Location: Munich Posts: 4731
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Both good ideas I will try tomorrow - need to savage wifey's car again for the Kenwood HU (useful in so many ways
) and find the spare aerial coax cable (will probably have to botch the connector) I have somewhere in the boiler room... Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing... |
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19th Oct 2012 11:18pm |
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| spudfan Member Since: 10 Sep 2007 Location: Co Donegal Posts: 4615 
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Radio interference? Usually caused by the wife talking.
1982 88" 2.25 diesel
1992 110 200tdi csw -Zikali 2008 110 2.4 tdci csw-Zulu 2011 110 2.4 tdci csw-Masai |
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19th Oct 2012 11:48pm |
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| Captain Speaking Member Since: 23 Jan 2012 Location: Oxfordshire Posts: 159 
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Me too! I just accept it now! |
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30th Jan 2013 11:46pm |
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| bpman Member Since: 21 May 2008 Location: Oslo Posts: 8069 
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re: the dry joints - when my parrot died (going back to them for an autopsy) i dug out my land rover radio/cd, fitted but it was not great, I ended up taking the covers off and having a look, there were a few joints with no solder at all
- I soldered them and the radio if 100% now. |
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31st Jan 2013 8:13am |
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