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Lcd tv 20" Sharp Aquos LC-20AD5E-BK

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    Lcd tv 20" Sharp Aquos LC-20AD5E-BK

    hi just picked one of these up it uses a CEF 300B-4 psu unit the problem i have the psu has no out put markings on it all the issue with the set is no picture so far i have stripped it down to the cfls and fired it up all the tubes light but only one end and only all half way maximum aon all cfls at the same time each power up gets less each time would you guys say this may be a psu issue not giving enough voltage to the inverter board? not giving enough voltage to run it or may be a inverter board issue? i dont want to spend too much on it untill i see the lcd is ok.
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    Last edited by vinceroger69; 04-30-2014, 04:07 PM.

    #2
    Re: Lcd tv 20" Sharp Aquos LC-20AD5E-BK

    Most inverters are 24V, what do you get on yours?
    Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
    For service manual, schematic, boardview (board view), datasheet, cad - use our search.

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      #3
      Re: Lcd tv 20" Sharp Aquos LC-20AD5E-BK

      going to have to use this set for parts just noticed when trying to power on nice crack on lcd screen was a freebie so can complaine.

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