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If you confused ,you should read this before. Andy Tue Mar 08, Works fine when a charged battery is attached.

MOSFET N / P-Channel SO-8 package

Ill datwsheet back when I get them and fit them with the results. Thanks your bolg is very helpful. Flux helps bridge that space between them and makes the contact happen.

Dafasheet this SO3 also have P or N channel type. Mosfet Type on Laptop Motherboard. Could this be the problem? All times are GMT Did battery hold any power? VS the Power Switch. If the laptop is off and you try to power it on with the AC adapter plugged in the laptop […]. I have attached a picture. CMOS Technology file 1. Find More Posts by gabik No lights or anything. Others N channel mosfet examples: Pressing the power button gives nothing, connecting the AC adapter gives nothing.


Actually one I fixed with a hairdryer was on vacation – had to improvise. I have a dv7 with the exact power issue you described in a different post but not the same mosfet.

Make sure the CPU is removed or many n-channel fets will read shorted. Mayo Hardware Tue Mar 08, Synthesized tuning, Part 2: Thnx for helping us all out. If it were me, I’d try dtaasheet.

So I’m probably going to have to replace the whole mobo. You can easly use AO instead. Check AO switching mosfets on power source side on mobo just where power entering.

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 find 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 Pressing the power button gives me nothing, connecting the AC adapter gives me nothing. Find More Posts by unlockdev. HP Pavilion DV powers up momentarily and turns off with no display.

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Have this Dell Latitude D that has been work fine with no issues what so ever.

AO Datasheet (PDF Download) 1/5 Page – Alpha and Omega Semiconductor, Inc.

It is similar to the A or A but going to order direct replacements. The same thing happens when two heated solder joints ‘bridge’ and connect to each other.

Dattasheet better to use motherboard manufacture by using Motherboard code ,we dstasheet know how much adapter voltage usage. Dell Latitude D no power fix. Shawn Hustle Russell Wed Feb 16, Without knowing the actual circuit they’re going in, this is just an educated guess. Just a quick note to say my original issue with the HP G was resolved by fitting those new parts.

Filed in Laptop Power Issues on Sep. Equating complex number interms of the other 6. Newer Post Older Post Home. Learn How to Repair Laptop! Originally Posted by barry.

AO Datasheet (PDF Download) 5/5 Page – Alpha and Omega Semiconductor, Inc.

Or at least, the culprit. Wel’p, there’s our problem! They have considerably different values. Otherwise there should be some resistance one way.