I use Chemtronics wick. I didn't buy mine from Ali but a search has it showing up.
You can buy it on there, but just like buying amtech flux on aliexpress it'll be counterfeit stuff of varying quality. The legit chemtronics stuff is made in the USA. My source for that is the last spool I bought from digikey a couple months ago for work had the COO on the invoice as United States. Curious though now how the aliexpress stuff compares to the stuff I got from digikey....
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Both are 100nf 0201 capacitors. The last ones I bought were 10V so anything in that voltage range should be more than enough.
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All the xbox one needs to boot and display is the power supply and hard drive. If you don't have the HDD the system will power up normally and not display anything on the TV. Fan is good to so the system will stay on without overheating, but if the heat sink is present it shouldn't be an issue for testing. All the other modular components are only needed for updating the system software or obviously reading discs. You don't even need the power button if you know which pins to short on the header.
If you're getting the 1.5v to the ram then it probably isn't a voltage rail kicking the...
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I have a board view that should help find the part you need....
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I believe I have a corrupted bios on a Dell Insprion 3105 with motherboard FDI55 LA-J081P....
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I thought I was getting about five Toshiba 6140-e30 POS kiosks today, but when the guy showed up it was actually 23 of them. In the chaos of making room at my shop for them I forgot to take a picture so I'll probably post back with pictures later. Currently no clue what I'm going to do with 23 of them.
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Even if there aren't any shorts on the M92 chip it may still be the issue. I don't know what kind of damage thee was to the port, but it's super common that damage to the port will kill the m92. I've seen plenty before that didn't have any shorts on them, but were still faulty and pulling around the same amps you're reading.
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I've had fans die on me like that before. Luckily the fans are cheap ($8 when I just checked). I'd try getting a new fan for it and see if that fixes it. It's possible only the fan is dead and since you'll absolutely need a new fan anyway may as well start there.
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Re: Sundown SFB-8000D What are these transistors?
Here's the follow up picture of the other side where the IRFP90N20P is still present. They have slightly different package appearances and I can't imagine they would have used only different looking transistors in the the s5 and s6 locations.
Looking closer at the picture I noticed the emitter of S5 and the emitter of Q16 are connected. The capacitors are definitely connected to the transistors I just don't know to which pins since I haven't pulled the board out of the housing yet.
Yesterday and today...
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Re: Sundown SFB-8000D What are these transistors?
I know that's the part number for the ones that are missing. I don't think these two transistors are the same. On the other side of the board there's still all of the D1(IRFP80N20D) and the package looks slightly different than the one for the S5 and S6 transistors.
I'll take another picture of the other side and upload it later today when I can get into the shop for a little bit....
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Sundown SFB-8000D What are these transistors?
I had a Sundown SFB-8000D amp come into the shop yesterday that wasn't giving any output. The guy who brought it in said he bought it off some crack head on Facebook marketplace for a good price, but bought it knowing it was broken. Apparently the original owner was cutting out the transistors to the right of the ones pictured whenever one would blow and take the output out. Best I can figure he also cut the legs on the S5 and S6 ic's as well and soldered them back together.
My problem is Sundown decided in the factory to remove the original markings on the IC's and now I can't figure...
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Re: Nintendo Switch lite charging chip heats up and does not short circuit
If you haven't already try replacing the m92 ic. I've had tons that looked like everything was charging correctly, but not turning on. It's weird how that chip fails sometimes without any shorts or signs anything is wrong.
You could also potentially have an issue with the lcd connector where a pin is bent out of line or an issue with the display power regulator (MAX77620) on the underside of the board by the lcd connector.
I personally don't think there's anything with the bq...
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Re: Chinese hot air and soldering stations
What's your budget? If you're looking for cheaper now and better later you're still better off spending a little more on separate soldering and hot air stations. There's pretty good cheap jbc and hakko clones out there that'll get you by for around $100. A friend of mine has a Aixun station and loves it compared to the cheapo combo station he had before and it was maybe $100 after shipping.
Hot air is where spending more money is worth it in the long run, but if you're looking for something affordable this one from Quick is...Last edited by redbaron1007; 10-23-2023, 06:24 PM.
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Re: Nintendo Switch lite charging chip heats up and does not short circuit
The BQ24193 gets hot while the battery is charging. That's basically what happens when you force that much current through the chip that energy gets dissipated as heat. As long as it's not getting hot while the charge isn't connected everything is most likely working as intended.
Is there anything else wrong with the switch other than the bq chip heating up?
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Re: Xbox series X HDMI
Either use ebay or an actual whole seller **********. Amazon ports are always the worst quality ones and somehow ebay and aliexpress have considerably higher quality ports.
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Re: PS4 CUH-1216B no USB power no 5V usb
You most likely have a dead southbridge if you're not getting any voltage out of the ports.
Does the system boot into the dashboard or are you stuck in safemode? If it is booting into the dashboard sometimes when the southbridge is shot it will give an error popup for either to much power on the usb ports or connected device couldn't be detected even when nothing is plugged in.
I don't have a board in front of me, but if the board has a GL3520 on it that could also be the issue. It's the USB 3.0 hub controller...
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Re: HP Envy 17tbw000 not detecting battery.
One of the batteries is the one that was the original one from the laptop that the owner replaced with one they bought from HP. The other one is the one they bought from HP directly that was also having the same problem.
I ended up buying a replacement battery for cheap off amazon to test with and rule out the batteries, but it's still got the no battery detected issue.
I checked the smbus lines and was getting ~2 kohm on one of the lines and ~4 kohm on the other. I don't remember which one...
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Re: HP Envy 17tbw000 not detecting battery.
I checked the voltages and get following on pin 1 VBUS
Adapter only 19v
battery only 0v
Adapter and battery 19v
I don't get any voltage coming from the battery when the adapter isn't plugged in. When I disconnect the charger The voltage on the battery goes from 10v down to about 2v and then back to 0v. I have access to the tabs coming off the battery to the control board and I do have ~2.9v-3v on each of the three cells in the battery. All three cells are within .005v of one another. The cells...
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