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Viewsonic VG191b

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    #21
    Re: Viewsonic VG191b

    The lights test OK..... I put a meter across the ends of each transformers and get no readings but with power off I get the same Ohm readings for both.
    So I think something that provides power to them is not working...
    Where can I get a drawing on This board?

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      #22
      Re: Viewsonic VG191b

      OK with ohm meter on power side (input side ) of transformers I get 1 volt for the split second lights turn on when power switch is turned on

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        #23
        Re: Viewsonic VG191b

        Originally posted by Lakerat View Post
        The lights test OK.
        How did you test the lights to conclude they are ok?
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          #24
          Re: Viewsonic VG191b

          I opened up my main monitor and A Viewsonic and made jumpers to try them.
          I also noticed that I should recap my main before trouble happens it is 5 years old

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            #25
            Re: Viewsonic VG191b

            You will be very lucky to get a schematic for this,and suspect you are at the stage where to get the thing to work, you will have to replace the Inverter board with a good one.

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              #26
              Re: Viewsonic VG191b

              I just bought a case light and tested the lights with the power supply it came with.The power supply runs off a plug from the computers power supply and has 2 plugs for lights (was 5.99 at Frys).
              Could I take 2 of these power supplys and run the 4 lights for the monitor off them would the monitor work if I did this?I would use the power that goes to inveter board to run both power supplys and they look to be the right size to go where the orignal inveter board goes. would this work?
              Thx

              P.S. link http://www.frys.com/product/5948774?...H:MAIN_RSLT_PG
              Last edited by Lakerat; 10-01-2010, 10:53 AM. Reason: added info

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                #27
                Re: Viewsonic VG191b

                I made my home made inverter and can see the the screen change shades and see lights in back of screen (did not reapply tape yet).
                But no picture when when computer turned on but a steady green power light on front of panel... any idea on this?
                Thanks

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                  #28
                  Re: Viewsonic VG191b

                  UPDATE
                  I built my inverter and got the screen to work just meed to insulate it good
                  Total cost less than 15.00

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                    #29
                    Re: Viewsonic VG191b

                    Originally posted by Lakerat View Post
                    UPDATE
                    I built my inverter and got the screen to work just meed to insulate it good
                    Total cost less than 15.00
                    Great Ingenuity! Congratulations!
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