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Search: Posts Made By: dicky96
Forum: Troubleshooting Power Supplies and Power Supply Design 07-28-2021, 03:38 AM
Replies: 7
Views: 331
Posted By dicky96
Re: Newton Power NPS-400AB Powers on for 2-3seconds then powers off

I pulled all the capacitors, they check good for value and ESR

I removed the three opto isolators on the PFC board, and checked them - they don't read the same as each other, one in particular is...
Forum: Troubleshooting Power Supplies and Power Supply Design 07-26-2021, 02:02 PM
Replies: 7
Views: 331
Posted By dicky96
Re: Newton Power NPS-400AB Powers on for 2-3seconds then powers off

Thanks for the info Pete

This PSU has a separate PFC controller for sure

The video is here
https://www.youtube.com/watch?v=UEoBpppEBh8
Forum: Troubleshooting Power Supplies and Power Supply Design 07-26-2021, 08:27 AM
Replies: 7
Views: 331
Posted By dicky96
Re: Newton Power NPS-400AB Powers on for 2-3seconds then powers off

OK I got back to looking at this

The 5VSB is working continually and stable

The PFC is working and stable, I have 378 Volts

I had a good look at this PSU and the odd thing is, I can't work...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-22-2021, 05:45 AM
Replies: 8
Views: 171
Posted By dicky96
Re: Locate BIOS chip on Fujitsu motherboard

226F004 sounds like it could be a BIOS chip

https://www.alldatasheet.com/datasheet-pdf/pdf/133022/ATMEL/AT26F004.html
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-17-2021, 03:57 AM
Replies: 1
Views: 104
Posted By dicky96
Re: Stuck RESET on MSI P965 NEO after Recap

Well it 'can' be Bad soldering causing a short, or broken tracks or vias?

Why not post some pics?
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-17-2021, 03:54 AM
Replies: 12
Views: 796
Posted By dicky96
Re: Gigabyte Gtx 970 not detected

Basically you can see that each PCIe 'lane' is a differential signal (two copper traces) and this is where the capacitors are connected. You would not expect to see anything much in the way of...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-16-2021, 11:34 AM
Replies: 12
Views: 796
Posted By dicky96
Re: Gigabyte Gtx 970 not detected

I doubt you would get a reading on the tiny little capacitors, it's more the case that they can gt broken or knocked off the board with a bit of rough handling. If they zre all present I am sure...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-16-2021, 11:28 AM
Replies: 8
Views: 740
Posted By dicky96
Re: GPU-Z Perfcap with crippled VCore phase

What was wrong with the original R33 inductors? It is really odd for inductors to fail.
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-14-2021, 01:58 AM
Replies: 12
Views: 796
Posted By dicky96
Re: Gigabyte Gtx 970 not detected

Check the tiny little MLCC capacitors by the PCIe connector - you may have damaged or broken one or more of them when using the Riser? That would cause the GPU not to detect.
Forum: Troubleshooting Power Supplies and Power Supply Design 07-13-2021, 10:07 AM
Replies: 7
Views: 331
Posted By dicky96
Forum: Troubleshooting Power Supplies and Power Supply Design 07-13-2021, 10:06 AM
Replies: 7
Views: 331
Posted By dicky96
Newton Power NPS-400AB Powers on for 2-3seconds then powers off

Hi Guys
I have this Newton Power NPS-400AB ATX PSU here. It powers up, runs for a few seconds then shuts down. If you power it off at the mains then back on it repeats the same actions

It's a...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-13-2021, 02:08 AM
Replies: 11
Views: 850
Posted By dicky96
Re: Rare problem on MSI Z77A-G41 board when powering up

Does the PCH get hot when you just have 5V Standby?
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-13-2021, 02:06 AM
Replies: 6
Views: 170
Posted By dicky96
Re: ASUS M5A99X EVO R2.0 1 Short beep and 1 Short 3 Long beeps after five seconds

That does sound odd. I would try reprogramming the BIOS chip with a known good file
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-12-2021, 12:02 PM
Replies: 16
Views: 504
Posted By dicky96
Re: Gigabyte GA-Z270P-D3 Boot Loop

Just reprogram the BIOS_M and BIOS_B with a known good file
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-11-2021, 03:06 PM
Replies: 11
Views: 850
Posted By dicky96
Re: Rare problem on MSI board when powering up

Hi piernov
As both the OP and myself changed the SIO (OK different chip sets but very similar problem) then I thought the PCH would be the next most likely culprit - though I don't have a...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-11-2021, 12:42 PM
Replies: 35
Views: 2,808
Posted By dicky96
Re: ASUS TUF Z270 Mk 2 beeps with no ram but will not boot

Hmm maybe hold the celebration -I'm told that may be the USB3 bios - I need to unsolder it and check
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-11-2021, 12:40 PM
Replies: 11
Views: 850
Posted By dicky96
Re: Rare problem on MSI board when powering up

This is a bit of a guess but I think you may have a problem with the PCH as this is mainly responsible for correctly handling the reset signals and starting the ATX PSU. I have a similar fault but...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-11-2021, 12:30 PM
Replies: 10
Views: 358
Posted By dicky96
Re: help me fix RX570

Check all the tiny capacitors just above the PCIe connector - they could be on both sides of the board. Are any broken or missing?
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-07-2021, 03:33 AM
Replies: 16
Views: 504
Posted By dicky96
Re: Gigabyte GA-Z270P-D3 Boot Loop

I think I located the TPU ROM on my board :D
https://www.badcaps.net/forum/showthread.php?t=83211
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-07-2021, 03:32 AM
Replies: 35
Views: 2,808
Posted By dicky96
Re: ASUS TUF Z270 Mk 2 beeps with no ram but will not boot

OK I think I may have found the TPU on my Asus TUF Z270 Mark 2

25LQ512 - datasheet seems to match the SMDFlea description

It was nowhere near where the picture showed it to be. See pics
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-05-2021, 03:11 PM
Replies: 4
Views: 248
Posted By dicky96
Re: asus GTX1080 turbo 8G helps identify capacitor

Check to see if one end of the missing capacitor goes to ground and hte other end goes to one or more of the fingers on the short section of the PCIe connector

Check both sides of the PCIe...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-05-2021, 03:08 PM
Replies: 16
Views: 504
Posted By dicky96
Re: Gigabyte GA-Z270P-D3 Boot Loop

@taxxin
Actually it is SMDFlea that knows about the TPU firmware, I'm a beginner on that same as you. Apparently it does apply to all Zx70 motherboards

Unfortunately so far we couldn't identify...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-05-2021, 01:02 PM
Replies: 31
Views: 937
Posted By dicky96
Re: [SOLVED] XFX RX-570P45D RX-57045DDT VA2 RX570 AMD 4GB No power on all rails

Hey thanks mate - I'm always happy to help where I can. but really give yourself a big pat on the back as you did a lot of this yourself ;)
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-05-2021, 12:59 PM
Replies: 8
Views: 499
Posted By dicky96
Re: Abit IC7 black screen

Those look reasonable
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-03-2021, 05:37 AM
Replies: 8
Views: 499
Posted By dicky96
Re: Abit IC7 black screen

Capacitors on the NB package should not read short. Some may read a low resistance but normally they don't. ;)

The caps that appear to be shorted on the NB, do you measure any volltage across...
Showing results 1 to 25 of 500

 
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