Testing The Charging Circuit On A Laptop Motherboard Part 1




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Preecha Bud: very nice good teching

Martin Flores: Hi, I have a dell inspiron 3520 laptop and it doesn't turn on, could you please guide me how to repair it?

savichovich: hello and thanks
two things here really , how did you come to this conclusion regarding the voltage over R285 to be 19v ??? there are two adjacent resistors which will divide the voltage ,!! second: in order to do that you need to inform the people how they can get the schematics otherwise they cant apply tests for other pcbs ... other than that thumb UP well done .. keep it up and Thank you!

Benedicta Arhin: Thanks for ur video but couldn't see where u put ur negative wire before testing. Thanks 

sujit prodhan: nice

Selorm Kwame Yikimey: A good one there kudos 

Sherif Aliti: What if you check power tree directly from dc-in to battery out, isn't shorter way ?

Aaron Baron: Cool

BiMi UK: where u getting the schematics from :/ ???

Celynjo05: sir how about the battery that 0% available plug in, charging. but my battery wont increased the battery percent. please help.

Chanthachon Senesouphap: I think I found the problem of your board, there is a mosfet below D20 it has some small holes on it.

Donald Ellett: Very interesting

Sadek Oussalah: I've got aquestion if you don't mind, the acer mobo i have will see the amber light if the battery is inserted but when only power it's dead, where to check thanks in advence

Stephane “ET3RNiTY” R.: Where did you get the service manual? I need one for my Toshiba L650D
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Testing the charging circuit on a laptop motherboard Part 1