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Old 03-02-2006, 06:36 PM   #1
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What is a UNIVOLT?

I have just brought home my new Quicksilver. Been trying out all the systems. My speakers have a hum when I have either DVD or CD playing. In trying to find problem, I see references to "Univolt." Is this the battery charger and how could it be causing the problem?
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Old 03-02-2006, 06:58 PM   #2
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Univolt is the converter that uses 110 volts to charge battery as well as keep up with your 12/110 volt outlets.- the newer univolt should have a 'filtered' outlit to take care of this problem. Jim J
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Old 03-02-2006, 07:13 PM   #3
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You can get an inline power filter for the radio like at radio shack. You would have to cut the power line to the radio and wire the filter inline.

It will filter out the noise. Better filters than radio shack would offer could be purchased at nice car stereo shops.

They probably cost about $10 - $20.
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Old 03-02-2006, 10:26 PM   #4
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Again, I'd put it on the fix-it list for my next warranty visit to the dealer, before I'd put much effort into it.
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Old 03-02-2006, 10:42 PM   #5
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Quote:
Originally Posted by skutman
I have just brought home my new Quicksilver. Been trying out all the systems. My speakers have a hum when I have either DVD or CD playing. In trying to find problem, I see references to "Univolt." Is this the battery charger and how could it be causing the problem?
This is an easy diagnostic procedure.
Unplug the trailer and run it on battery only. If it still hums, then your Stereo is the culprit. If it does not hum any longer, then it is likely the charger/converter.
Batteries deliver the ultimate DC power. Hum is usually caused by A/C power. A bad filter inside the converter/charger can cause A/C content in the D/C charging current, and manifest itself in an audio system hum.
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Old 03-02-2006, 11:11 PM   #6
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Do UWE's diagnostic procedure Then
Look on the panel of your converter for the lug's marked filter mine were empty . Next find your radio power circuit and move to the filtered lug. Friend gave me his newer univolt after he upgraded to Intel power for the same hum buzz.
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Old 03-04-2006, 09:55 PM   #7
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The hum is present on either AC or DC. I think I'll let the dealer handle it. Thanks for the info.
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Old 03-04-2006, 10:46 PM   #8
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Quote:
Originally Posted by skutman
The hum is present on either AC or DC. I think I'll let the dealer handle it. Thanks for the info.
My guess would be that the player has issues.
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Old 05-09-2006, 10:33 AM   #9
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same problem

I have the same symptoms (but I have just put in a new radio), Uwe, are you recomending against the radio shack filter?
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