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Search: Posts Made By: leotron
Forum: Troubleshooting Computer Displays 06-15-2022, 11:55 PM
Replies: 6
Views: 493
Posted By leotron
Re: ViewSonic VA1703wb - Hot Area - Can I Replace FSDM0565R with an FSQ0456R

hello sam, i tested the monitor with a 75w lightbulb and I got just a pulse, lets say of 50~100v AC for a sec, i'm using 220v ac in my country so I know from experience a lamp connected in series, it...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-19-2022, 02:34 AM
Replies: 3,195
Views: 1,078,216
Posted By leotron
Re: Power supply build quality pictorial. part 2

Thanks for the answers, so its a realiable PSU so long 200~250w power consumption? Or it it's better to buy a generic 500w psu anyways? I was very curious because the main filter, and the other...
Forum: Troubleshooting Computer Displays 05-18-2022, 05:00 AM
Replies: 6
Views: 493
Posted By leotron
Re: ViewSonic VA1703wb - Hot Area - Can I Replace FSDM0565R with an FSQ0456R

Thank you so much sam sam, you should post the PM because it's very interesting.

Now I'm at the lowest and I can't get a incandescent light bulb, I have an resistance from an electric pot or a...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-14-2022, 05:31 PM
Replies: 3,195
Views: 1,078,216
Posted By leotron
Re: Power supply build quality pictorial. part 2

hello badcaps i was selling for a scrap a few psu and noticed one that was heavy, hmm i said, i opened up and i found a surprise, looks like a second brand from a psu manufacturer maybe? what do you...
Forum: Troubleshooting Computer Displays 05-12-2022, 11:58 PM
Replies: 6
Views: 493
Posted By leotron
Re: ViewSonic VA1703wb - Hot Area - Can I Replace FSDM0565R with an FSQ0456R

Thank you sam, you are a godsend, what I understood from the PM it's I should check the areas in the red circle. Acording to my non-expertise the green ones are good and the principal transformer in...
Forum: Troubleshooting Computer Displays 05-09-2022, 05:53 AM
Replies: 6
Views: 493
Posted By leotron
Re: ViewSonic VA1703wb - Hot Area - Can I Replace FSDM0565R with an FSQ0456R

Here are the datasheet's values for comparison, three images from the original component and the other three for the replacement.
Forum: Troubleshooting Computer Displays 05-08-2022, 02:49 PM
Replies: 6
Views: 493
Posted By leotron
Question ViewSonic VA1703wb - Hot Area - Can I Replace FSDM0565R with an FSQ0456R

As the title says the FPS 0565R blow up and I found another similar in a 22" lcd monitor. Comparing the datasheets looks like the later one can manage more voltage or at least they acomplish the same...
Forum: General Computer & Tech Discussion 04-01-2022, 01:24 AM
Replies: 17
Views: 793
Posted By leotron
Re: [Stupid Question #2] Why we are still using 12v on the ATX power source?

Thanks for the honest answers, maybe I forget that the big tech companies make money selling servers and such (BIG LEAGUE) desktop gaming pc it's just 5 dollars per piece if I recall correctly, the...
Forum: General Computer & Tech Discussion 03-31-2022, 03:39 PM
Replies: 17
Views: 793
Posted By leotron
Thumbs down [Stupid Question #2] Why we are still using 12v on the ATX power source?

As the title says do you think it would be useful for modern PCs to use more DC voltage ? I know you can compensate the lack of voltage giving more AMPs but still at this rate we should be using 36v...
Forum: Troubleshooting Power Supplies and Power Supply Design 02-23-2022, 01:32 PM
Replies: 2
Views: 362
Posted By leotron
Re: [No stupid question] Can I build an atx psu from scratch?

Sell cheap PSUs in my 3rd world country and that they are reliable.
Forum: Troubleshooting Power Supplies and Power Supply Design 02-22-2022, 04:04 AM
Replies: 2
Views: 362
Posted By leotron
Question [No stupid question] Can I build an atx psu from scratch?

I have some good spare parts of electronics and deads PSUs from good brands,it is possible to buiild from scratch a psu ? I know it's sound stupid but I take a shot just for fun. Guessing with my...
Forum: Troubleshooting Power Supplies and Power Supply Design 02-06-2020, 05:32 PM
Replies: 11
Views: 1,611
Posted By leotron
Re: XFX 850w blown bridge rectifier.

Thanks to all of you for the answers, the PSU may be in short circuit. This ia stock image from TomsHardware that shows the heatsink.
...
Forum: Troubleshooting Power Supplies and Power Supply Design 02-06-2020, 10:26 AM
Replies: 11
Views: 1,611
Posted By leotron
Re: XFX 850w blown bridge rectifier.

I'm sorry I didn't wrote my question, it is posible to replace the original bridge with the replacements that I have? I'm planning to put a large heatsink in top of them.

Thanks for reading.
Forum: Troubleshooting Power Supplies and Power Supply Design 02-05-2020, 07:59 AM
Replies: 11
Views: 1,611
Posted By leotron
XFX 850w blown bridge rectifier.

Hi, a friend of mine gave me this broken power supply, aparently it's the rectifier bridge that was damaged months ago. He took it to a technician and they didn't have the repair tools necesary but...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 01-05-2020, 01:03 PM
Replies: 0
Views: 664
Posted By leotron
Charging a Dell D630 from another source

Like the title explain, I have an old Dell D630 laying around, sadly I don't have the original charger and the generic ones doesn't work because they function under the one wire protocol iirc.

I...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-23-2019, 10:30 AM
Replies: 3
Views: 1,935
Posted By leotron
Re: XFX Radeon 7770 Possible Short

I'm sorry but I double check the resistances in the mosfets pins around the crossfire section and it give me another resistance. I'm gonna attach the corrections. Also I check resistance from GND to...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-22-2019, 08:56 PM
Replies: 3
Views: 1,935
Posted By leotron
XFX Radeon 7770 Possible Short

Hello there this is my 2nd post in this great community, always reading and learning something new.

I'm going straight to the point, I have this graphics card XFX Radeon HD 1ghz Edition which I...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-08-2019, 06:04 PM
Replies: 25
Views: 7,433
Posted By leotron
Re: Thermaltake 450 lite with burnt/exploded 5vsb ic

It's OK, maybe you can write us down the other IC id numbers so we can use it to search on the web.
Forum: Troubleshooting Power Supplies and Power Supply Design 05-07-2019, 09:07 PM
Replies: 25
Views: 7,433
Posted By leotron
Re: Thermaltake 450 lite with burnt/exploded 5vsb ic

Hello there, check for reviews in the internet for some information like these ones. Some of them have photos that you can see the IC or the resistor values, etc.
...
Forum: Troubleshooting Power Supplies and Power Supply Design 05-06-2019, 06:09 PM
Replies: 13
Views: 2,272
Posted By leotron
Re: NZXT 700w Hale82 v2 (Repair Help)

Hi there, thanks for you answers! I'm gonna check those things that you stated.

I found a schematic online (Don't ask how but I have luck I guess) from a PSU Chieftec, looks like it's the same...
Forum: Troubleshooting Power Supplies and Power Supply Design 04-27-2019, 12:29 PM
Replies: 13
Views: 2,272
Posted By leotron
Re: NZXT 700w Hale82 v2 (Repair Help)

Sorry for the double post, but it looks like IDP F02 it's not exactly the part number, but the fabrication date or something. More info here:
...
Forum: Troubleshooting Power Supplies and Power Supply Design 04-26-2019, 08:42 PM
Replies: 13
Views: 2,272
Posted By leotron
Re: NZXT 700w Hale82 v2 (Repair Help)

Thanks for the lesson. This is a hard one to get a photo. I improvised some lens with my cellphone camera. It seems like l DP F02 ?
Forum: Troubleshooting Power Supplies and Power Supply Design 04-23-2019, 12:42 PM
Replies: 13
Views: 2,272
Posted By leotron
Re: NZXT 700w Hale82 v2 (Repair Help)

That's correct. The measure gave me aroud 4 - 5 ohms. I put it close to a heat source, carefully not to break it, and the resistance dropped to 0hms.



Yep. I forgot about it, as you said first...
Forum: Troubleshooting Power Supplies and Power Supply Design 04-13-2019, 04:30 PM
Replies: 13
Views: 2,272
Posted By leotron
Lightbulb Re: NZXT 700w Hale82 v2 (Repair Help)

Thank you so much for you answer, I am attaching the pic of the back of the PCB to see if you can see the problem, I did some resoldering to the ones that looks suspicious. I know it doesn't look...
Forum: Troubleshooting Power Supplies and Power Supply Design 04-02-2019, 08:50 PM
Replies: 13
Views: 2,272
Posted By leotron
Unhappy NZXT 700w Hale82 v2 (Repair Help)

First and foremost, thanks for you time if are reading this, since I'm new and I'm just asking for help. I have this broken Power Supply that a friend gave me, it doesn't turn on at the moment. (He...
Showing results 1 to 25 of 26

 
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