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Search: Posts Made By: momaka
Forum: Other Devices with Bad Capacitors 05-17-2018, 01:32 AM
Replies: 13
Views: 240
Posted By momaka
Re: Nvidia GTX 1080 (gainward / palit) inductor

Remove opened "Y" fuse and solder a thick wire across its spot (or solder the wire directly across the fuse, whichever you prefer). Then use your multimeter and check for short-circuit between the...
Forum: General Computer Discussion 05-17-2018, 12:31 AM
Replies: 52
Views: 873
Posted By momaka
Re: Paxville or Bust! The Supermicro X6DA8 Project

Never happened before, but given the goof I am... it's possible :D


Couldn't agree more. :cool:


Oh, cool, an AOpen motherboard! :)
With AOpen out of the motherboard business, it's pretty...
Forum: General Computer Discussion 05-16-2018, 10:04 PM
Replies: 52
Views: 873
Posted By momaka
Re: Paxville or Bust! The Supermicro X6DA8 Project

Hmmm. What happened to the long post I typed and posted here a few days ago? :confused:
I guess the system ate it. :p: Oh well, I'll retype it.
Forum: Troubleshooting Power Supplies and Power Supply Design 05-16-2018, 10:00 PM
Replies: 1,471
Views: 270,909
Posted By momaka
Re: the gutless, bloated, and fried power supply hall of shame

But it's a Yate Loon, so it's probably still okay if you disassemble it and clean the bearing (I would certainly save it :) ).


And that's only if you ignore the massive ripple and noise that...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-16-2018, 09:37 PM
Replies: 12
Views: 885
Posted By momaka
Re: Delta DPS-250AP-8 repair

Check the circuit that is responsible for generating the PS_ON signal = perhaps something is shorted there, keeping the PS_ON low. Remember, when PS_ON is LOW, PSU will be signaled to turn ON. And...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-16-2018, 09:28 PM
Replies: 120
Views: 3,283
Posted By momaka
Re: Magnavox DRV power supply SMPS

Better? I don't know :) . It just means at least the 431 feedback shunt IC is working. So if the optocoupler is okay, technically that is all you need on the secondary side for the PSU to regulate...
Forum: General Computer Discussion 05-16-2018, 09:18 PM
Replies: 2,032
Views: 322,510
Posted By momaka
Re: best cheap/free scores 1.1

Peak - sure. Continuous, I don't know. You'd really have to put a thermocouple on that output toroid and see how it does at that kind of load.


"sexy thang"? ha! Looks more like a subwoofer to...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-16-2018, 10:02 AM
Replies: 2,908
Views: 649,377
Posted By momaka
Re: Power supply build quality pictorial. part 2

Yes.
Both are rated for 32 Amps on their 12V rail and 3 Amps on the 5V standby.
In fact, here are the two label shots for the Nichicon and Sony PSUs above, respectively:...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-13-2018, 10:05 PM
Replies: 2,908
Views: 649,377
Posted By momaka
Re: Power supply build quality pictorial. part 2

Oh, what a mystery indeed! :rolleyes: :rolleyes:

Unlike those newer designs which make me wonder where to look to find "things", with this PSU, I felt just "at home". :D And needless to say, it...
Forum: General Capacitor Questions & Issues 05-13-2018, 08:29 PM
Replies: 26
Views: 822
Posted By momaka
Re: Swapping japanese/generic electrolythics with solid-states

KY is a very reliable series. I don't suggest replacing every KY cap. Maybe only the one that has bulged on the bottom, and that's if it really does look bad. Though I am inclined to think perhaps...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-13-2018, 08:03 PM
Replies: 120
Views: 3,283
Posted By momaka
Re: Magnavox DRV power supply SMPS

But you won't be building a home-brew power supply. I merely pointed to the thread above to show you the type of chip circuit you could make to replace the 2-transistor circuit in your power supply....
Forum: Equipment Usage, Soldering, Techniques, and Reviews 05-08-2018, 06:39 PM
Replies: 11
Views: 379
Posted By momaka
Re: Soldering Equipment

For a soldering station, I recommend anything that uses a T12 or T15 -type of tip. These are the ones that have the heating element and sensor built into the tip and they have pretty good...
Forum: General Computer Discussion 05-08-2018, 06:19 PM
Replies: 111
Views: 74,975
Posted By momaka
Re: [HOWTO] Fix/Repair "Chassis Intruded Fatal Error System Halted" on Asus P5QL

Double-check your 3.3V source and make sure it actually has enough current to drive the LPC/SIO chip. I would run a wire from the 3.3V rail directly and hook it up with a 1K-4.7K resistor instead.
Forum: Soyo - Shuttle - Supermicro 05-08-2018, 06:14 PM
Replies: 17
Views: 670
Posted By momaka
Re: Shuttle SD36G5M - Mobo died, recapped, still issues

Does the power supply fan pulse as well? If so, that would indicate your MOSFETs may have shorted again or something is drawing excessive current.


Like mentioned before in the thread, it's quite...
Forum: ECS - EpoX - Gigabyte 05-08-2018, 06:00 PM
Replies: 23
Views: 1,528
Posted By momaka
Re: ECS K7VZA - strange behaviour after recap

Ok, but if you do get newer video cards, those components could come in handy, given how you like to hunt for older PC stuff like I do. :)
Forum: Custom Tweaks, Modifications, and Revisions 05-08-2018, 05:43 PM
Replies: 26
Views: 991
Posted By momaka
Re: Water cooling a laptop, have you seen it done?

Yeah, those mobile nVidia GF 8 series of cards (as well as the 6 and 7 series) were all quite unreliable. A friend of mine had a 8400 GS in his Sony Vaio laptop and he send it back to Sony for repair...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-07-2018, 09:03 PM
Replies: 120
Views: 3,283
Posted By momaka
Re: Magnavox DRV power supply SMPS

Hmmm, that reference pin on the 431 regulator (IC2201) just doesn't look right at 1.8V.

Is yours and SMD device? If so, what is the marking code written on it? According to the service manual...
Forum: ECS - EpoX - Gigabyte 05-02-2018, 09:45 PM
Replies: 23
Views: 1,528
Posted By momaka
Re: ECS K7VZA - strange behaviour after recap

You don't need a hot air gun to remove them. Just two more beefy irons (one of them needs to be rated for at least 50-60 Watts and have a big tip).

Also, considering the amount of hardware you go...
Forum: General Computer Discussion 05-02-2018, 06:43 PM
Replies: 52
Views: 873
Posted By momaka
Re: Paxville or Bust! The Supermicro X6DA8 Project

No, this one is actually a pretty reliable PSU. Just has pretty low efficiency, like you said. It's basically a 5V design with a "beefed-up" 12V rail. Of course, like any oldschool design like that,...
Forum: General Computer Discussion 05-02-2018, 06:11 PM
Replies: 15
Views: 365
Posted By momaka
Re: Corsair K70 RGB dead

No need for hot air then. :)
Just use two irons. One should preferably be rated for 50 Watts or more. The other 30-50W is fine. Flood the pins of the regulator with leaded solder with the more...
Forum: Other Devices with Bad Capacitors 05-02-2018, 05:59 PM
Replies: 66
Views: 2,812
Posted By momaka
Re: PNY Geforce Nvidia 6200 256MB PCI only

Hmmm, would that be the one mentioned in post #23 (https://www.badcaps.net/forum/showpost.php?p=790370&postcount=23)?
If so, that's a bit disappointing, as this is supposed to be a 75W iron/station....
Forum: ECS - EpoX - Gigabyte 05-02-2018, 01:11 PM
Replies: 23
Views: 1,528
Posted By momaka
Re: ECS K7VZA - strange behaviour after recap

Yellow hard glue does sound a lot like the conductive glue (though I can't recall now if Deer / L&C ever used it - I only seen them use hot glue in their older gutless units). In any case, if it has...
Forum: General Computer Discussion 05-02-2018, 12:47 PM
Replies: 15
Views: 365
Posted By momaka
Re: Corsair K70 RGB dead

Sounds like there is nothing shorted then and possibly only the regulator is bad. If you have a small breadboard, you can pull the 1117 regulator out, solder some leads to it, and built a basic...
Forum: Custom Tweaks, Modifications, and Revisions 05-02-2018, 12:39 PM
Replies: 26
Views: 991
Posted By momaka
Re: Water cooling a laptop, have you seen it done?

LOL, I like it! :)
But what are you using for powering this whole setup? Can't be just a USB port. Firewire maybe? Or external power (that would be my guess)?
Forum: Other Devices with Bad Capacitors 05-02-2018, 12:34 PM
Replies: 66
Views: 2,812
Posted By momaka
Re: PNY Geforce Nvidia 6200 256MB PCI only

???
Why do you want to cut solder? Just heat it up and move it away. If it's in a hole, use a needle to poke it out. Just use a bigger iron and you will be done with this already. 60 Watts or more...
Showing results 1 to 25 of 500

 
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