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Toshiba Satellite 1905-S301 NO Power Repair

When plug in the AC adapter and push down the power button, laptop has no light at all and it does not turn on. Check that "VIN" has 0V. Fuse PF1 looks good and has beep on both side. It must be something wrong either on PD1, PL2, PC1, PC2, PC3, PC4, PR4 or PZD1. Coil PL2 has no beep and replace one. But it is still no voltage at "VIN". Repalce PD1 and voltage comes. Repair done.















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Source of all circuit diagram are from Apple's schematic. iPad, iPhone, iPod, Macbook are trademarks of Apple company.