Re: 2 Viewsonic VX1940W buzzing and no signal
When you recapped the monitor, did you recap the little cap just above the word CAUTION?
That little cap plays an important role in the startup of the SMPS which generates the secondary voltages (i.e. 5V DC).
edit: Also, what is the DC voltage across that little cap. Put your black probe on the negative and red probe on the positive leg of the cap. Is it a steady or fluctuating voltage?
Originally posted by Neobyte
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That little cap plays an important role in the startup of the SMPS which generates the secondary voltages (i.e. 5V DC).
edit: Also, what is the DC voltage across that little cap. Put your black probe on the negative and red probe on the positive leg of the cap. Is it a steady or fluctuating voltage?
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