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Input port and input output port declaration in top module 2. Heat sinks, Part 2: Last edited by darasheet at P channel mosfet 2. Make sure the CPU is removed or many n-channel fets will read shorted.

HP G Dead – Badcaps Forums

Have this Dell Latitude D that has been work fine with no issues what so ever. Even with the fet lifted on darasheet side, testing the pads from source to drain and vice-versa have these same readings. Works fine when a charged battery is attached. Took the system apart and looked around the system and found burnt part near the white power connector.


Introduction of System Power Laptop Motherboard. Otherwise there should be some resistance one way. This is because I have not had experience on every motherboard that is out there.

Hi all, I have a HP G laptop here that is totally dead.

Me Tue Jun 21, Replace latching relay with Mosfet 7. Andy Tue Mar 08, Thanks for the suggestion, I spotted the guy in Portugal selling them and have ordered a couple.

This is usually the case with U.

Getting In Too Deep: Tips on Testing MOSFETs

Just check the continuity between the Drain and Source of the pads prior to you installing the substitutes. With the number of balls under the chip, it is difficult to get it enough heat evenly before scorching the topside of the GPU essentially damaging it.

If it does charge the battery, the charge will not have sufficient current to the LiION particles.

Other way to Identified for SO6 and SO3 Mosfet transistors are by finding the marking code on ic than browse the data sheetif they not found get mosfet location code on board than datassheet on schema by typing marking code to adobe reader search column to look the correct marking code than browsing the datasheet again to get know mosfet type and get substitution How to repair Laptop. Hopefully I can save you some xo4433 the headaches that I had.


Mayo Hardware Sat Apr 23, How do you get an MCU design to market quickly? That’s the best way and more easy. Thanks for all your help. Find More Posts by unlockdev.

Analog Layout Finger Size 4. Easy way to identified look at the end number of marking code. You can easly use AO instead.

What is the function of TR1 in this circuit 0. But it is not a hard and fast rule with some Chinese manufacturers, and may need to check the datasheet before assuming they will be the same.

AO4433 Datasheet

I have also found a datasheet and am now pretty sure I am looking at the right thing. Looked over everything, nothing was burned. Digital multimeter appears to have measured voltages lower than expected. If you do need it repaired.