laptop battery issue with mosfet (fix in 10 minutes)

so I'm going to this board if the [Music] battery is okay [Music] so now I have plug in my back SE let me put it this way so that you can see what I'm doing I'm going to set my multimeter to 12 Vol you can see 12 Vol here then I'm going to remove the protection here so this is how to test if the voltage of the battery is okay so please before so we continue troubleshooting this board please I would just like you to take few second to subscribe to my YouTube channel and don't forget to drop a comment in the comment section if you have any issue or any challenges so I'm going to use my red poop and the black poop I'm going to put my black poop on the ground anywhere here here is the ground you can see anywhere here any Point here we have the gun so here is the gun anywhere here is also the gun [Music] so I'm going to ground the black PPE then I'm going to use my positive PPE on the battery connector Port I have sorry is [Music] not I have I have 14 Vols here I have no volt okay I have 327 volt yeah I should I have no V here this is also know this is the ground 13 volt so I'm going to show you all this voltage from the batter comes sorry so I'm going to check my mfet I have the first M fet [Music] here no voltage we have 14 something volt here I should have voltage on this moset here we have 14 Volt if you should read back from this point to this place we should have 14 volts so let me check I have 14 volts that shows that the first output of this battery is the most F which is here we have 14.14 you see exactly we are having 14.14 also so let me check the gate we have 14.14 also and this other [Music] mate should have [Music] 14.14 okay you see there's no voltage here that shows that this mosfet is [Music] somehow we should have voltage on the gate we have 14.14 here we have 14 14 and we have not voltage at this point you can see let me bring it closer to you so that you will see this moset no voltage [Music] so what I'm going to do here now is that I'm going to is either I jump this mosfet or I replace the mosfet but I'm not going to work too much hard I'm just going to jump this mosfet here and let's give it a try let's see what we have here so we need to remove the battery from the board I'm going to remove now I remove the Box the mosfet is short we have a short M there so so I have my pasture I'm going to [Music] minut so need now so so now my mosfet I've jumped the mosfet so I'm going to now test the I'm going to read the mfet no if we are having the exact vote on this you can see now I have the um exact volt I'm having um 14 to 13 volt here so now I've jumped the mosfet I've now passed the voltage to the other mosfet and you can see our mfet is now working so please guys don't forget to subscribe to my YouTube channel this will also encourage me to do more videos like this and also Share my video and also like my video see you in my next video bye

Channel: UniversalTech

Views: 711

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Id: rS95OC3YukE

Length: 9min 58sec (598 seconds)

Published: Thu Apr 25 2024