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Old September 4th, 2007, 11:50 AM   #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 10:31 AM. Reason: I have resolved answer to my question.
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Old September 4th, 2007, 01:30 PM   #2
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usually it is written/engraved on the monitor
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Old September 4th, 2007, 02:37 PM   #3
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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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