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September 4th, 2007, 10:50 AM
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#1 |
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Tourist
Join Date: Aug 2007
Location: Blaine, WA
Posts: 1
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LCD Monitor Power Supply
I recently purchased a low cost 7 inch LCD Monitor . Model - LCD4Video 7 Color TFT . It requires a 12 volt DC power supply at approx 800ma. . When I requested information on the polarity required at the connector the supplier WWW.lcd4video . com told me they did not have that information. My question was simply "what polarity ,Positive or Negative is the center pin on the ac adaptor cord supplying the monitor " I thought that would be a reasonable and simple question for them to answer but appearently not so.
Is there anyone in the DVi group that could help me with the answer to this question ? UPDATE I have just received further information from supplier that allowed me to answer my question - For anyone else the center pin is + positive polarity on this monitor . Best regards Last edited by Barry Sharpo; September 5th, 2007 at 09:31 AM. Reason: I have resolved answer to my question. |
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September 4th, 2007, 12:30 PM
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#2 |
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Inner Circle
Join Date: Feb 2004
Location: switzerland
Posts: 2,073
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usually it is written/engraved on the monitor
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September 4th, 2007, 01:37 PM
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#3 |
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Regular Crew
Join Date: Jan 2007
Location: Ottawa, Ontario, Canada
Posts: 94
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Re. written/engraved on the monitor. I wouldn't expect that to be the case here because there's a multi-pin connector between the LCD panel and the splitter cable into which power would be plugged.
More often than not these things are center-positive/shield-negative. All else fails, get the automotive adapter and confirm through that.
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