I have NEO netbook ,the problem is when i connect the ac charger i notice that the led of the charger is blinking so i open the machine and looking for the shorted parts and i found it.,a smd caps & a SOP-8 mosfet which is located near j-mbat1.,the model is NIKOS PD1503YVS,.i can't find a datasheet for this IC so please help me.is there any compatible replacement for this IC?
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Re: Nikos mosfet
Does the mosfet not have any writing on it at all? The cap can be replaced with similar size. It's not perfect, but for the most part ceramic SMD caps are designated by their size. Take a junk laptop apart and you'll find one you need off of it. -
Re: Nikos mosfet
Hi did you find this;http://products.niko-sem.com/index.p...od_list&cat=19
Please can you update your profile with Country and Mains VoltagePlease upload pictures using attachment function when ask for help on the repair
http://www.badcaps.net/forum/showthread.php?t=39740Comment
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Re: Nikos mosfet
thanks mattbrad2 .,but i already replaced the smd caps and the remaining problem is the mosfet .,it is shorted.,i can't find any replacement with the same spare parts .,
thanks selldoor for the link..Comment
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Re: Nikos mosfet
Perhaps one of these would work? FDS6982AS
Any laptop gurus watching?Please upload pictures using attachment function when ask for help on the repair
http://www.badcaps.net/forum/showthread.php?t=39740Comment
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Re: Nikos mosfet
ok i'll try it..,then i'll tell you what happen..thanks in advance..Comment
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Re: Nikos mosfet
Ao4932Comment
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Dear All
Anybody have experience to repair L13 Gen2 Board Number : LAR-2 PD charger problem?
I have one board the U4201 CSD87501L are burned and the 20V_VBUS_USB2 can't switch to 20V_VINT_IN, after replace this Mosfet it's still very HOT and just use few hours will burned again. i have repeat replace this Mosfet 3 times and all dead.
After that i try to shorted Mosfet Source 1 to Source 2 to bypass the 20V, and found the Control Gate 1 and Gate 2 voltage both are 20v same with 20V_VBUS_USB2.🤨
So did anybody know this case will need to replace... -
I tried to use this method:
Testing an N-channel MOSFET:
Step 1: Discharge the Gate (turn off the MOSFET)
Place the black probe (COM) on the Source (S) and the red probe on the Drain (D). The multimeter should show no continuity (high resistance or "OL" – open line).
Then, touch the black probe to the Source (S) and the red probe to the Gate (G). This discharges any stored charge in the Gate, turning the MOSFET off.
Step 2: Charge the Gate (turn on the MOSFET)
Now, place the red probe on the Gate (G) and the black probe on the...09-27-2024, 03:31 AM -
Laptop Question
Hello,
I'm working on a Lenovo T460 that has been having trouble charging as of late. Its worked well since I've owned it for a few years. When I went to use it the other day it was dead and wouldn't turn on (was sitting on an Anker 65W GaN charger). After some fiddling with the charger I got it to turn on and start charging, but seemed like the charger was not working as it should (took a few plug and unplug cycles to get it to start charging).
A day later it was dead again and wouldn't boot/charge no matter what I did. No lights or anything when... -
The ISL88739 & ISL88739AHRZ are a highly versatile combo battery charger
configurable for operating as either a Hybrid Power Boost (HPB)
charger or a Narrow VDC (NVDC) charger, supporting 2-, 3-, or
4-cell batteries. Both configurations allow the battery to work with
the adapter together to supply the system load when it exceeds
the adapter capability, referred to as system Turbo mode. HPB
charger configuration reverse-boosts battery energy to the system
bus to help the adapter provide the system power in Turbo mode.
NVDC charger configuration...11-05-2024, 03:28 PM -
Hello everyone, I recently found this badcaps site and super Learn Electronics Repair youtube channel. And I wanted to learn how to troubleshoot power supplies and VGA cards and how to practice soldering, since I already have a properly defective piece of them. I am currently trying to solve two problems:
I have a Gigabyte GV-RX460WF2OC-4GD type card. I managed to find the faulty MOSfet (AON6414A) on it, which I replaced. The card starts up, but after about half a minute, the MOSfet in the same position will be shorted again. Is it possible that the PWM controller driving the MOSfet...
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