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ProView PL716s U101 roasted

I have a ProView PL716s that shuts off the video after about 10 seconds. I read some of the posted solutions, took it apart looking for swollen/exploded caps, but all caps look OK. On the main power board, U101 is roasted and U105 looks like its been hot. These are surface-mount 8 pin mini-DIP ICs, located on the opposite side of the board from transformer T102. Does anyone know anyone who sells replacement boards for this monitor (Board has label E5260357G on it), and if so, at what cost? Or is this baby belly-up?

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  • Gary Jan 30, 2009

    Thanks for replying, Bat. But the IC is actually burned (crispy) - one of the legs has lifted away from the board, and the middle part of the DIP is charcoal. I'm surprised that the monitor displays any kind of image, even for 10 seconds...

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I would change the caps anyway, they're cheap. The IC's may be running hot trying to make up for the bad caps.

Posted on Jan 29, 2009

  • Bruce Volkers
    Bruce Volkers Jan 30, 2009

    Those little I.C.'s are probably the inverter drivers for the CCFL transformers. The crispy one may then be the source of overload causing the shutdown. The one remaining is making backlight for the brief period of time you have a display. I don't know where exactly to buy the board. Your best bet may be to offer the unit on eBay, indicating it has a problem, and sell it as parts or repair. there's always someone looking to buy such for parts or for the screen. It may surprise you what you will get for it. Or you may find one on eBay with one of those broken screens and good for parts, like the board you need.

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