Re: Viewsonic vp2130b & vx2235wm

Replaced the caps on the vx2235wm and it lives once again!

The transformer is bad on my vp2130b. Replaced all the caps on the inverter, power, and video board. I thought maybe the solder joints where bad so I removed the transformer and redid the solder joints on the pin header. There is little to no resistance on the secondary windings .05 ohms. The primary only has a slightly higher resistance. When the transformer is on it buzzes quite loudly. I can hear a moving part inside the transformer when I shake the board
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Hello I have 2 viewsonic monitors that are having trouble vp2130b & vx2235wm. Since I registered on these great forums I thought I would make a post on what I'm doing.

vp2130b turns on and off repeatedly.
None of the caps physically look bad on any of the boards.
The power supply shuts off and turns back on when either back lights are plugged into the inverter board. Hopefully I didn't damage any other components when testing point of failure. The power supply board got hot and smelt small amount of burning from the transformer when the monitor was turning off and...

Re: New Members - please post your introductions here

Hello to everyone,

I have some bad power supplies for a few viewsonic monitors. They where going out around the same time. Found references on the forums of the same models I'm having trouble with.

Nice little community you have here!