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Search: Posts Made By: Agent24
Forum: Troubleshooting Power Supplies and Power Supply Design 10-02-2018, 07:36 PM
Replies: 2,959
Views: 691,535
Posted By Agent24
Re: Power supply build quality pictorial. part 2

Why put so much effort in, just to use Fuhjyyu and Teapo? Sad.
Forum: Troubleshooting Power Supplies and Power Supply Design 09-16-2018, 02:54 PM
Replies: 1,527
Views: 290,519
Posted By Agent24
Re: the gutless, bloated, and fried power supply hall of shame

And you can guess which 'shop' it was by the firetrucks parked out front...
Forum: Custom Tweaks, Modifications, and Revisions 09-15-2018, 01:04 AM
Replies: 456
Views: 122,349
Posted By Agent24
Re: The ghetto mod thread

I haven't seen any that fancy.

Mine would possibly drip if I used it sufficiently, but I don't do much with it.

I did have an awfully cheap ($1) one before, which fell apart. I pulled the...
Forum: General Capacitor Questions & Issues 09-01-2018, 01:28 PM
Replies: 39
Views: 1,834
Posted By Agent24
Re: Swapping japanese/generic electrolythics with solid-states

Nobody ever found a datasheet for FL. It was likely only given to motherboard OEMs. I believe they would be ultra low ESR given their typical usage.

Your tester I think is accurate enough if...
Forum: General Capacitor Questions & Issues 08-31-2018, 04:50 PM
Replies: 39
Views: 1,834
Posted By Agent24
Re: Swapping japanese/generic electrolythics with solid-states

Well, the datasheet for MBZ says a 1500uF 6.3v part in 10x12.5mm size should have an ESR of no more than 0.026 Ohm @ 20C/100kHz.

Now, if your ESR test is at the same frequency and temperature,...
Forum: Troubleshooting TVs and Video Sources 08-22-2018, 11:34 PM
Replies: 82
Views: 15,757
Posted By Agent24
Re: Sceptre X505BV-FMDR

Suffix is often for the package type or denotes lead-free versions etc, but could be anything else as well, like voltage range or temperature. Without a datasheet it's hard to say.

I think some of...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 08-21-2018, 09:44 AM
Replies: 1
Views: 71
Posted By Agent24
Re: motherboard damaged near gpu

Photos would be useful. Solder vs wire wouldn't be a problem, bridged traces is more likely.

There may be damage to internal layers though, if the scratches are deep enough
Forum: Troubleshooting TVs and Video Sources 08-21-2018, 09:41 AM
Replies: 5
Views: 115
Posted By Agent24
Re: sony kdl-46r473A went crazy after a while

Bad regulator giving dirty power = overheating CPU and lockup?
Forum: General Computer Discussion 07-16-2018, 04:15 PM
Replies: 2,379
Views: 367,777
Posted By Agent24
Re: best cheap/free scores 1.1

Ghetto-tastic! Haha! :)
Forum: Troubleshooting Power Supplies and Power Supply Design 07-12-2018, 02:20 PM
Replies: 32
Views: 1,927
Posted By Agent24
Re: Replacing unknown NTC Thermistor in Corsair CX400

Indeed, there is certainly no relay and I've not seen a Triac in there either.
Forum: Troubleshooting Power Supplies and Power Supply Design 07-10-2018, 04:24 PM
Replies: 32
Views: 1,927
Posted By Agent24
Re: Replacing unknown NTC Thermistor in Corsair CX400

I had a look at this again yesterday, after being annoyed by it and leaving it in a corner.

The design is such that the primary filter capacitor is initially charged via a diode direct from the...
Forum: Troubleshooting Power Supplies and Power Supply Design 06-20-2018, 03:40 AM
Replies: 54
Views: 3,334
Posted By Agent24
Re: Altec MX6021

Can you post photos showing these parts especially C25?

You can't test capacitors in diode test mode except for a short so the results are meaningless.
Forum: Troubleshooting Power Supplies and Power Supply Design 06-19-2018, 03:58 PM
Replies: 23
Views: 1,732
Posted By Agent24
Re: Help an untrained ear to identify this sound? (unplugging a Hiper Type-R 480W)

For lifted pads on "easy" boards, you can usually fix them by just scraping off some solder-mask on the track with a sharp blade (don't push too hard!), bending the component lead over, and soldering...
Forum: Troubleshooting Power Supplies and Power Supply Design 06-18-2018, 04:32 PM
Replies: 23
Views: 1,732
Posted By Agent24
Re: Help an untrained ear to identify this sound? (unplugging a Hiper Type-R 480W)

Have you confirmed that the short-circuit reading across the 5vSB output is now gone?
Did you be sure to put the diodes in the correct way around?
Did you check for solder bridges?

Can you post...
Forum: General Electronics Technical Discussion 06-16-2018, 07:27 PM
Replies: 62
Views: 1,881
Posted By Agent24
Re: Buying custom crystals...

Sorry to say it but you'll have to get used to SMD sooner or later... with the right tools its not all bad though. I used to hate SMD parts too. Now they only mildly annoy me.

I actually like them...
Forum: Abit - Asus - Aopen 05-27-2018, 04:19 PM
Replies: 30
Views: 2,407
Posted By Agent24
Re: ASUS A7M266 Kills T-Bred B??

What cooks itself? The CPU or the VRM?

Maybe you've managed to short both CPUs now or the VRM controller is instead\also damaged.

Did you try the CPU in another board?
Forum: Abit - Asus - Aopen 05-27-2018, 05:40 AM
Replies: 30
Views: 2,407
Posted By Agent24
Re: ASUS A7M266 Kills T-Bred B??

So maybe you have bad VID signal to the VRM controller. I get the impression you are trying to use an unsupported CPU as well?
Forum: General Electronics Technical Discussion 05-25-2018, 03:47 PM
Replies: 62
Views: 1,881
Posted By Agent24
Re: Buying custom crystals...

That's what samples are for! It's a free test. Even if you intend on mass production there's no guarantee you're going to use the same chips you prototype with. The design can always change.

And,...
Forum: General Capacitor Questions & Issues 05-21-2018, 02:01 PM
Replies: 46
Views: 4,233
Posted By Agent24
Re: BSOD and Gigabyte Capacitors

That sort of thing will come back to bite you in the ass, not worth it.
Forum: General Capacitor Questions & Issues 05-19-2018, 02:12 AM
Replies: 46
Views: 4,233
Posted By Agent24
Re: BSOD and Gigabyte Capacitors

Well, they're not going to live forever... then what?
Forum: Abit - Asus - Aopen 05-19-2018, 02:06 AM
Replies: 30
Views: 2,407
Posted By Agent24
Re: ASUS A7M266 Kills T-Bred B??

Leaky I suppose, if it's measuring high.
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-18-2018, 05:57 PM
Replies: 33
Views: 888
Posted By Agent24
Re: Let's talk about BGA Chip suppliers

Good information! I have bought from SEE-IC before, via eBay, and found them to be decent.
Forum: Troubleshooting Power Supplies and Power Supply Design 05-17-2018, 03:03 PM
Replies: 13
Views: 2,001
Posted By Agent24
Re: Cooler Master RS-350-PSAR-13 dead

Post a photo of the underside of the board so we can find out which parts are actually in the 5vSB circuit... checking random parts blindly won't help if you don't know which circuit they're in.
...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-16-2018, 01:36 PM
Replies: 10
Views: 292
Posted By Agent24
Re: Logitech mice?

Now that you say that, I do recall a similar problem with a Logitech USB ball mouse I bought 10+ years ago. It worked a few days, then I started getting the USB device disconnect sounds in Windows,...
Forum: Troubleshooting Game Consoles & Other Weird Devices 05-15-2018, 11:54 PM
Replies: 10
Views: 292
Posted By Agent24
Re: Logitech mice?

I don't know but I have a USB IBM mouse that isn't detected either. Yes, I checked the cable. The LED comes on but the USB controller registers nothing. I wanted to replace the IC but it seemed...
Showing results 1 to 25 of 500

 
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