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Search: Posts Made By: clearchris
Forum: Troubleshooting Power Supplies and Power Supply Design 04-11-2022, 11:39 AM
Replies: 26
Views: 12,439
Posted By clearchris
Re: Dell laptop LA90PE0-01 charger repair

I was wondering how long it took you to dig that all out. I took one apart for fun, saw the glue and said nope! If we were lucky, it might be thermoplastic, maybe warming could soften it, but...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-11-2022, 11:34 AM
Replies: 4
Views: 471
Posted By clearchris
Re: Dell Latitude e6510 Boots Once in UEFI

Thank you. I'm going to try this once I'm at a place where I can reboot and be without my computer for a while should things go wrong... I have a spare small partition, I might just throw freedos...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 04-11-2022, 11:32 AM
Replies: 16
Views: 876
Posted By clearchris
Re: Backlight Tester procurement

Don't these leds have pretty similar rated life? Seems like something where you would want to replace them all while you had it out...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 04-11-2022, 11:27 AM
Replies: 5
Views: 352
Posted By clearchris
Re: BEST BST-863 vs Atten 863D

This looks more exciting to me. stm32 chip that can likely be reprogrammed pretty easily.

https://www.aliexpress.com/item/32859878885.html
Forum: Equipment Usage, Soldering, Techniques, and Reviews 04-11-2022, 11:25 AM
Replies: 5
Views: 352
Posted By clearchris
Re: BEST BST-863 vs Atten 863D

I thought it was a nice touch that it came with a holder that you could point down and reflow chips, but the bottom is solid, so that's not going to work.

The cord looks short, the handle looks...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-06-2022, 11:30 AM
Replies: 4
Views: 471
Posted By clearchris
Re: Dell Latitude e6510 Boots Once in UEFI

Yeah, I was considering that, but was concerned that if I did so, it might just die completely. :)

Do the bios chips get fatigued? Or is corruption more likely? I suspect the last windows update...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 04-05-2022, 05:05 PM
Replies: 4
Views: 471
Posted By clearchris
Dell Latitude e6510 Boots Once in UEFI

Ok, really strange problem here. I have a laptop, a dell latitude e6510. When I go into the bios, I can delete all the efi boot options, replace one, and have it boot. When I shut down the laptop,...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 03-26-2022, 09:21 PM
Replies: 16
Views: 941
Posted By clearchris
Re: Desoldering station/gun above ZD-915/474A++ ?

Maybe stretching the spring works if you clean it more often than I do. There's usually a solder ball lodged way up in the narrow part of the spring. It's a pain.

Anyone want to wager a guess...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 03-26-2022, 12:37 PM
Replies: 17
Views: 1,506
Posted By clearchris
Re: Solder to ... aluminum?

I haven't tried this myself, but I have heard good reports from them.

https://www.harborfreight.com/8-piece-low-temperature-aluminum-welding-rods-44810.html
Forum: Equipment Usage, Soldering, Techniques, and Reviews 03-26-2022, 12:22 PM
Replies: 16
Views: 941
Posted By clearchris
Re: Desoldering station/gun above ZD-915/474A++ ?

Pretty funny, he must have sucked a lot of solder to melt the tube. It's kind of like a nervous twitch of mine, but I'm always pulling the trigger to make sure that no solder is stuck, I bet it also...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 03-26-2022, 11:50 AM
Replies: 124
Views: 16,102
Posted By clearchris
Re: New tool to find short capacitors on motherboards : shorty with display

I have done some i2c work lately, and if I can't communicate with the chip, the first thing I do is scan for addresses, not to really check for the address, but to verify communication and wiring.
...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 03-24-2022, 09:07 AM
Replies: 124
Views: 16,102
Posted By clearchris
Re: New tool to find short capacitors on motherboards : shorty with display

If there's a question of addresses, there are sketches included in the arduino gui where you can flash a program to the arduino and scan the i2c or spi bus for addresses.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 03-24-2022, 08:54 AM
Replies: 16
Views: 941
Posted By clearchris
Re: Desoldering station/gun above ZD-915/474A++ ?

I have the 474a++. I think they are all still plastic. Not sure seeing into the chamber would help anyway, there's a spring like solder catcher, you can't see through it.

Overall, I think the...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 03-24-2022, 07:53 AM
Replies: 18
Views: 1,112
Posted By clearchris
Re: Anyone ever hear of this solder brand before?

I paid 16usd a two years ago for this. It's 32 now, but that's still not 100.

https://www.mouser.com/ProductDetail/738-13977
Forum: Equipment Usage, Soldering, Techniques, and Reviews 03-23-2022, 09:42 PM
Replies: 17
Views: 750
Posted By clearchris
Re: Finally bit the bullet on the Hakko FR301

Yeah, it has been years since I opened up my desoldering gun base, but the pump is about fist sized. It's not small, and I have no lack of suction. The base is a bit oversized for what's in there,...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 03-23-2022, 09:38 PM
Replies: 16
Views: 941
Posted By clearchris
Re: Desoldering station/gun above ZD-915/474A++ ?

I'm still on my first tip. Sometimes I leave the iron on because it takes a while to heat up. Not really that long, but longer than I want to wait to desolder a joint. So the tip has had plenty of...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 03-23-2022, 09:12 PM
Replies: 17
Views: 750
Posted By clearchris
Re: Finally bit the bullet on the Hakko FR301

I have a chinese one, and I love it. Takes some time to heat up, but once it hits temp it works well. Sometimes you need to add a bit of pb solder to the joint, but when you pull the trigger and...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 03-23-2022, 09:09 PM
Replies: 18
Views: 1,112
Posted By clearchris
Re: Anyone ever hear of this solder brand before?

I highly recommend getting a pound of solder from digikey or mouser. It's much cheaper than you think (iirc, a pound of AIM was around 20 USD), and it will last you a long time. Cheap solder really...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 01-15-2022, 06:35 PM
Replies: 16
Views: 941
Posted By clearchris
Re: Desoldering station/gun above ZD-915/474A++ ?

I have the 474A++ and have no issues. What did you see? Opening the sucked solder tank is fine. You should be prepared to have some additional springs and sponges on hand, but that's about it. I...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 11-18-2021, 11:30 AM
Replies: 23
Views: 3,524
Posted By clearchris
Re: Ly ir8500 station good or?

Impressive! And that is low cost, around 200USD for a bga station.

What are you planning on for your MCU, some are a bit hard to get at the moment.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 11-18-2021, 11:28 AM
Replies: 11
Views: 1,154
Posted By clearchris
Re: OK SA-1000 Soldering Station

Probably print one of buy new iron (just the part that you hold), you can get these clone irons cheap on ali.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 11-06-2021, 06:01 PM
Replies: 43
Views: 7,269
Posted By clearchris
Re: New Cheap Chinese Soldering Plates

Link? Which one?

I can't measure right now, my meter is across the country. :( I may pick up a cheap meter in the meantime though.
Forum: Equipment Usage, Soldering, Techniques, and Reviews 11-06-2021, 10:39 AM
Replies: 43
Views: 7,269
Posted By clearchris
Forum: Equipment Usage, Soldering, Techniques, and Reviews 11-05-2021, 10:24 AM
Replies: 43
Views: 7,269
Posted By clearchris
Re: New Cheap Chinese Soldering Plates

Ok, did some testing. 3 minutes 30 seconds to 215C. Top temperature around 330C or so in another minute or so. It bounces aronud a bit between 225 and 235. I had one measurement around at 239C. ...
Forum: General Capacitor Questions & Issues 11-05-2021, 08:53 AM
Replies: 8
Views: 3,489
Posted By clearchris
Re: Help to bring cost down for 15 Caps

If you are doing small quantities your best bet is to find a local brick and mortar place. You can probably save a few bucks and skip replacing c103, those large caps tend to not go bad.

If you...
Showing results 1 to 25 of 500

 
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