Question about Toshiba Satellite A75-S2292 (PSA70U09K00G) PC Notebook
Relaced the power jack on the motherboad because the battery would not charge and it would not run on direct AC power. Now it will not power on at all. The power plug and power supply are good. I may have shorted out the motherboard or may have messed up the power line on the board???
As stated by ParrotheadPC, you need to have the correct equipment and techniques for repairing these jacks. All is not lost though. Take the unit to a servicer that has experience with surface mounted devices and multi-layered PC boards and he/she may be able to salvage it for you. Please note that I have also seen the traces burned because of excessive heat used to desolder and resolder the jacks,
Posted on Oct 07, 2009
If you desoldered and resoldered the jack onto the motherboard, the most reasonable assumption on my part would be that you damaged the tiny brass inserts in the jack leg sockets. These are very fragile and can be easily damaged and if so will not transfer power correctly throughout the motherboard. I have literally destroyed motherboards by not having the proper equipment and manhandling the boards. It does not take much and I applaud you even attempting it, because it is one of the hardest home projects to do....soldering a motherboard. It's much better working on the ones where the jack is connected to a satellite plug that connects to the motherboard....I try ti work on those solely so I don't have to mess with the other. But understand it could also not be your fault entirely because there is much more to the power circuit than just the jack, and there could have been damage done all the way down the line when the jack problems came about. I would say get another board and practice on the old one.
Posted on Oct 07, 2009
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Posted on Jan 02, 2017
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