HP TX1000 Entertainment Tablet PC GPU Fix

A friend of mine ask for a favor to take a look at his HP TX1000 Entertainment Tablet PC blackout LCD problem. I have no idea on how to fix this until I found below video.Instead of using bulb, I used a heat blower to re-flow the chip.From my observation, there is a the gap between the GPU and the heat sink was join by a burned thermal conductive silicone sponge.I replace this with an aluminum foil folded a couple of times to get just the right thickness.After reassemble it back together and now, the moment of truth, Hey! it works! :-)Thanks a lot jasonshay2. You really save my d...

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P16PRO40 programmer strip board layout

What is P16PRO40? It is a programming tool for several types of PIC micro controller. I'm not sure the origin of it, but I found it here at http://www.winpicprog.co.uk/ while browsing. The schematic can be found here at http://www.lpilsley.co.uk/pdf/p16pro40.pdf.Since I saw a several request for P16PRO40 strip board layout, so I decided to share it here.My PIC programming tool is a strip board based (AKA Veroboard). It is not as compact & neat as the commercial programmer but guess what, It took only 2 hours for me to built it from my electronic junkyard, except the 74LS05 and of course the strip board it self. Use normal IC socket if you don't have a ZIF socket.I have made some modification to the circuit to match what I can find on my...

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