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vaio sz230p won't do anything

by fsherburne / October 16, 2007 11:02 PM PDT

I posted this in computer help also. I used an aftermarket ac adapter with the polarity reversed. Now, with the correct adapter, nothing works. Is there a reset or fuse or something to fix it, or is it fried?

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I rarely find a fuse in this design.
by R. Proffitt Forum moderator / October 16, 2007 11:29 PM PDT

It has to do with the thought of "the package." There is not much the usual owner can replace but third party repair such as, can beat the usual repair counter since they might replace the burnt parts rather than the usual entire mainboard.

In closing, the parts sometimes look burnt, sometimes not. So visual inspection of the components (plus a background in inspecting such) may or may not tell us what to replace.


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Polarity reversal..
by ikenfixit / October 17, 2007 2:44 AM PDT

Pending inspection I can say 99% the Supply line Diode is shorted as well as SMT fuse or Fusable resistors. Repair should not exceed 189.00 shipped back as there may be other damage as well. Am familiar with the VGN-S series but not this model. Another thing to note on the universal adapters, Targus being one, They offer 2 seperate sony Tips. One is for the 16 V Machines (Centrino's and newer low consumption units) and the other is for the 19V Standards.(P-4 or Similar). Good luck!

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