Having problems with your ViewSonic VP930b 19" LCD Monitor ?

My VP930B monitor screen is so distorted that you can barely see what is there. Once in a great while the picture will suddenly be perfect! The monitor and tower both have a DVI-i dual connectors , but my cable has DVI-D singlelink. Could this be the problem? Linda


Answers :

Could be. You can try using the VGA port just for a test. Connect it to\015\012a friends computer or a laptop. also, there is the following solution\015\012for unusual problems on the VP930B:
\015\012
\015\012\015\012It is caused by bad capacitors in the power supply circuit.
\015\012\015\012
\015\012\015\012Open the monitor, and look at the power board. There are six\015\012capacitors. Replace the 220uF @ 25V and the 1000uF @ 16V capacitors. I\015\012would recommend replacing them with 35V and 25V capacitors respectively.
\015\012\015\012
\015\012\015\012If the serial number on your monitor starts with Q8H you could also\015\012have a bad IC on the main board. Q8 on the main board is an FET in an\015\012IC package. If this problem persists solder a wire from the right side\015\012to the left side. There is one pin that turns the IC on and off. All\015\012the other pins (per side) are soldered together. Do not solder the pin\015\012on the left side that is by itself. Just leave it. Solder ALL the other\015\012pins on the left to ALL the other pins on the right.
\015\012\015\012
\015\012\015\012Remember, do this ONLY if the problem persists after replacing the capacitors AND if your serial number starts with Q8H.
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