Hi to all (sorry for my bad englisch i speak italian) my problem ist that i have no power and no chrging battery on my sony vaio vpc sa4w9e it see like the cnx 458 dont give out 19 v fuses are okay please help
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Cnx 458 problem on sony vaio
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Re: Cnx 458 problem on sony vaio
Fortunately, the CNX458's schematics file is available:
https://www.badcaps.net/forum/showthread.php?t=53164
First, measure voltage on pins of W_PQ81 and W_PQ82.
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