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Search: Posts Made By: N3Star
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-01-2021, 11:39 AM
Replies: 10
Views: 752
Posted By N3Star
Re: PS3 CECHC04 no power

It's a SB_5V -> SB_3.3V voltage regulator, NCP511SN33T1G, successfully replaced by TK63133SCL-G. Look here (https://gamesx.com/wiki/lib/exe/fetch.php?media=schematics:sony_ps3_cok-002_5th.pdf), page...
Forum: Troubleshooting Game Consoles & Other Weird Devices 09-01-2021, 02:11 AM
Replies: 10
Views: 752
Posted By N3Star
Re: PS3 CECHC04 no power

I somehow managed to "repair" it by changing IC6005 from the SEM-001. Why in quotes? Syscon tells me that there is a problem with RSX, as expected. At least its last owner kind of took care of it, as...
Forum: Troubleshooting Game Consoles & Other Weird Devices 08-31-2021, 05:09 AM
Replies: 10
Views: 752
Posted By N3Star
Re: PS3 CECHC04 no power

NECs most probably will be a cause of YLOD somewhere in the future, but for now there is 1.8V, but no 3.3V on the mobo. Which IC does the 12V -> 3.3V? I guess it is IC6003 (MB39A116), but maybe there...
Forum: Troubleshooting Game Consoles & Other Weird Devices 08-29-2021, 04:12 AM
Replies: 10
Views: 752
Posted By N3Star
Re: PS3 CECHC04 no power

Although I managed to repair one of the failed NECs SEM-001 - second after reading syscon errors shows problem with RSX - same method didn't help with the mobo in question. I also tried just heating...
Forum: Troubleshooting Game Consoles & Other Weird Devices 08-28-2021, 01:41 PM
Replies: 10
Views: 752
Posted By N3Star
Re: PS3 CECHC04 no power

I measured resistances on: (probes alone shorted - 0.7Ohm, all measurements on the backside)
failed NECs on SEM-001 BE - 4.2Ohm, RSX - 3.5Ohm,
second failed NECs SEM-001 BE - 8.1Ohm, (3 NECs...
Forum: Troubleshooting Game Consoles & Other Weird Devices 08-28-2021, 12:07 PM
Replies: 10
Views: 752
Posted By N3Star
Re: PS3 CECHC04 no power

Sorry I didn't mention that, I will replace both RSX and NECs on both (at least on one mobo).
Yeah, as You mentioned, having just one failure point being quite easy to replace NECs would be...
Forum: Troubleshooting Game Consoles & Other Weird Devices 08-28-2021, 07:42 AM
Replies: 10
Views: 752
Posted By N3Star
PS3 CECHC04 no power

Hi all,
I have 2 mobos - both COK-002, one with YLOD and without NEC/TOKINs on one side (if needed any comparison measurements I also have working COK-002) and one that literally doesn't do...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-04-2021, 11:07 AM
Replies: 8
Views: 701
Posted By N3Star
Re: Abit IC7 black screen

My bad, I was reading shorts on diode test, they actually wary from 20 to 26 Ohms, while 'non-shorted' are ~75 Ohms. The voltage on low resistance components is 2.6V, on others 1.4 to 1.6V.
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 07-03-2021, 01:22 AM
Replies: 8
Views: 701
Posted By N3Star
Re: Abit IC7 black screen

It took some time to get back to this board, here are replies to your suggestions:
1. detach heatsink: this was my first idea, as soon as I saw MoBo bending I just stopped clipping them on and set...
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices 05-12-2021, 12:44 PM
Replies: 0
Views: 208
Posted By N3Star
Acer Aspire Series 1300 random shutdowns

Hello,
I have a retro laptop in which I have replaced entire upper body as damaged were CCFLs, new screen is the bigger version (15" vs. 14.1"). The laptop now has trouble going beyond POST screen...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 05-03-2021, 03:09 AM
Replies: 8
Views: 701
Posted By N3Star
Re: Abit IC7 black screen

I took time today and searched my parts bin for replacement MOSFETs and found ones compatible. Of course it couldn't be that easy and this repair did absolutely nothing, board behaves exactly same as...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 05-02-2021, 06:46 AM
Replies: 8
Views: 701
Posted By N3Star
Abit IC7 black screen

Hi, some time ago I got myself a great retro motherboard - Abit IC7. It used to work... Yeah, used to. I checked it myself, right after it arrived in the mail, booted only with Radeon 9550, which is...
Forum: General Computer & Tech Discussion 05-02-2021, 05:38 AM
Replies: 5,176
Views: 929,450
Posted By N3Star
Re: best cheap/free scores 1.1

Reading some of your findings puts mine to shame, but oh well, better something than zilch - found a still working PS3 Classic close to the trash next to my home. No controllers, but maybe I can...
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