Question about ViewSonic VE710b 17" Flat Panel LCD Monitor

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Power dies when video signal applied

Monitor powers up momentarily and goes to standby normally with no video connected to it, but while its on, it lights up bright white, which does not appear to be a normal mode. Also, sometimes video is fine, but in most cases, the presence of a video signal from the PC's VGA connector to the monitor causes the power to the monitor to shut down completely. It is not going into standby; its going completely off (the power LED is completely dark). The monitor cannot be powered on while connected to the PC's video output, no matter how many times I press the PWR button. Now, if I disconnect the monitor from the PC, it turns on (LED green, white background) then goes to standby. Please note: the PC is NOT the problem, is OK, and works with its usual flat-tube monitor connected. The problem is completely with the ViewSonic VE710b. This is a good one, so please DO let me know if you can help me with this before I give it to my youngest son to tear up!!

Thanks,
James

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I fixed this problem by replacing all the electrolytics 1000uF and 1500uF on the power supply/inverter board. All were either bulging or had burst at the bottom rubber seal. This cleared up all problems and I am using this monitor successfully at this very moment.

Posted on Sep 23, 2008

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