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ncp81208 datasheet
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Samsung le40a656a1f reaaaaaly slow poer up
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Yamaha RX-V577 - DC: PRT 000L
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Badcaps Statistics
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Topics: 102,998
Posts: 1,277,416
Members: 499,331
Active Members: 18,245
Welcome to our newest member, Gilberth Gonzalez.
Latest Topics
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by antibotanYesterday, 12:31 PM
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by dragon3xHi, this is for troubleshooting and, hopefully, repairing a Delta Power psu
that is still quite new, as it worked OK for some months until it failed.
At the time I was not into power supply electronics; it was put
aside and a new power supply installed inside the computer. Also at the time
power supplies were half the price of today's.
On the PCB there are a D339 and 7500B chips.
I have found that schematics with these 2 chips (see included file).
Does it represent the actual circuit of the MAX-500ATX, I cannot tell.
Some measurements,...Yesterday, 03:34 PM -
I got a new EC chip cause old one was shorted but I need to reprogram it somehow. I got the chip and the programmer/reader. I also trying to figure out where to hook up the wires for the programmer. It says to connect to SM bus on motherboard . Any help is appreciated.
[ATTACH=JSON]{"alt":"Click image for larger version Name:\tScreenshot 2024-06-04 173121.png Views:\t8 Size:\t215.1 KB ID:\t3284149","data-align":"none","data-attachmentid":"3284149","data-size":"full","title":"Screenshot 2024-06-04...XZZ ITE Programmer For Macbook Lenovo Intel Laptop without disassembly ITE85XX ITE83XX IT8390 EC Read Write Chip Process Tool.Link: https://lnkd.in/dm4HGkEd#...-
Channel: BIOS Requests ONLY!
06-04-2024, 03:30 PM -
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by Pedro AlvesI have Asus Z170 Pro Gaming motherboard, it's working fine apart from the reset and shutdown commands. It doesn't restart when exit the bios or choose to restart in the operating system. Shut down also doesn't work, everything works normally until the moment it should turn off. The only way to turn off is by keep pressing power button for a few seconds. What could it be? This would be my first motherboard repair06-04-2024, 12:57 AM
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I started troubleshooting this Razer Blade 15 laptop DA560 motgerboard a while back, due to some shorted 19v, 5v, 1v power rails. I fixed some of components and think 19v rail is good, 5v rail is good, 3v is better but not all way i think, and 1v is still bad. At this point the diode reading on these rails are 19v - 0.032v , 5v - 0.167v, 3 - 0.63v and 1v - 0.005v .
When the rails when down, I went down different rabbit holes and seeing chips getting pretty warm on thermal but not blazing hot. Yet there were not any caps or any small components getting blazing hot. Example is EC chip,...1 PhotoToday, 11:35 AM -
by mrsithHi fellow lifesavers.
I have a Samsung washer-dryer WD80N645OOW which died mid-cycle. No response to anything, completely dead.
Checked the socket, the plug fuse, all good. Took it out to examine the boards.
There is a relay clicking on the mainboard. Upon applying power, I can see a diode flashing on inverter board, after a while a diode on main board lits up for a split second, then I can hear a relay clicking. This repeats a few times, then everything dies completely.
I've been trying to examine the main board, but it's a bit difficult becuse...4 PhotosToday, 09:11 AM -
by p.puhakkaHello forum!
I have received a lot of help here, regarding bios modding. Very thankful!
Now I have a lot of Fujitsu K557 desktops, and those have custom bios logo/custom splash screen, and I need to change them to the original Fujitsu logo.
I am looking for the easiest way, because I have about 40pcs of them, and I think there is some "official" way to do this.
I have tried a lot of Fujitsu tools, which can inject the logo to the bios file, but no luck.
Any suggestions? Thanks!Today, 11:24 AM -
by Gado229Hello !
I want to have the right file and clean Me
I will post old file....-
Channel: BIOS Requests ONLY!
Today, 10:56 AM -
-
I have this inexplicable problem from yesterday
Each time i start my laptop by pushing the physical power button in, the laptop keyboard and touchpad are available to me for use when the system has booted to the desktop (I can enter the bios by pressing on F10 too) irrespective of whether the laptop is powered by the AC adapter or the battery. This is normal behaviour
BUT NOW FOR THE ABNORMAL PART
However, when using the laptop normally, if i choose restart from the power options, the touchpad and mouse are non-functional when the system has booted to the...-
Channel: General Computer & Tech Discussion
Today, 10:35 AM -
-
by alex26Hello.
I need help with a laptop Dell with LA-D801P motherboard.
The laptop completely died, no power, no leds.
The voltage of 19V is present at the output of the second mosfet.
The voltage on Pin 9 and 19 of PU102 is 0V.
Voltage on
PU100 :
pin2 =19v
pin11 =4.16v
pin12 =0.18v
pin17 =0v
pin19 =0v
I have 0 ohms on the coils PL100, PL301 and PL700.
If I remove pjp102 the short remains on the side of +3VALW.
Then I removed pjp501 and pjp801 but the short did not go to the integrated PU500 and PU800.
Then I checked...Yesterday, 02:54 AM
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by mrsithHi fellow lifesavers.
I have a Samsung washer-dryer WD80N645OOW which died mid-cycle. No response to anything, completely dead.
Checked the socket, the plug fuse, all good. Took it out to examine the boards.
There is a relay clicking on the mainboard. Upon applying power, I can see a diode flashing on inverter board, after a while a diode on main board lits up for a split second, then I can hear a relay clicking. This repeats a few times, then everything dies completely.
I've been trying to examine the main board, but it's a bit difficult becuse...4 PhotosToday, 09:11 AM -
by ragoub44Hello.i have hp 840 g5 with endpoint security error
my files...-
Channel: BIOS Requests ONLY!
Today, 08:16 AM -
-
I started troubleshooting this Razer Blade 15 laptop DA560 motgerboard a while back, due to some shorted 19v, 5v, 1v power rails. I fixed some of components and think 19v rail is good, 5v rail is good, 3v is better but not all way i think, and 1v is still bad. At this point the diode reading on these rails are 19v - 0.032v , 5v - 0.167v, 3 - 0.63v and 1v - 0.005v .
When the rails when down, I went down different rabbit holes and seeing chips getting pretty warm on thermal but not blazing hot. Yet there were not any caps or any small components getting blazing hot. Example is EC chip,...1 PhotoToday, 11:35 AM -
by p.puhakkaHello forum!
I have received a lot of help here, regarding bios modding. Very thankful!
Now I have a lot of Fujitsu K557 desktops, and those have custom bios logo/custom splash screen, and I need to change them to the original Fujitsu logo.
I am looking for the easiest way, because I have about 40pcs of them, and I think there is some "official" way to do this.
I have tried a lot of Fujitsu tools, which can inject the logo to the bios file, but no luck.
Any suggestions? Thanks!Today, 11:24 AM -
by Gado229Hello !
I want to have the right file and clean Me
I will post old file....-
Channel: BIOS Requests ONLY!
Today, 10:56 AM -
-
I have this inexplicable problem from yesterday
Each time i start my laptop by pushing the physical power button in, the laptop keyboard and touchpad are available to me for use when the system has booted to the desktop (I can enter the bios by pressing on F10 too) irrespective of whether the laptop is powered by the AC adapter or the battery. This is normal behaviour
BUT NOW FOR THE ABNORMAL PART
However, when using the laptop normally, if i choose restart from the power options, the touchpad and mouse are non-functional when the system has booted to the...-
Channel: General Computer & Tech Discussion
Today, 10:35 AM -
-
by chamalsb[B][SIZE=16px][U]Singer X455U[/U] BIOS need (6-71-w94p0-d02)[/SIZE][/B]
[I][B][SIZE=16px]please give me, me cleared bios or backup bios from same model asap.[/SIZE][/B][/I][B][SIZE=16px][U]Singer X455U[/U] BIOS need (6-71-w94p0-d02)[/SIZE][/B]
[I][B][SIZE=16px]please give me, me cleared bios or backup bios from same model asap.[/SIZE][/B][/I][B][SIZE=16px][U]Singer X455U[/U] BIOS need (6-71-w94p0-d02)[/SIZE][/B]
[I][B][SIZE=16px]please give me, me cleared bios or backup bios from same model asap.[/SIZE][/B][/I][B][SIZE=16px][U]Singer X455U[/U] BIOS need (6-71-w94p0-d02)[/SIZE][/B]-
Channel: BIOS Requests ONLY!
Today, 07:26 AM -
-
hi everyone........
i need asus expertbook B1500CEAE original bios. please help me...1 Photo-
Channel: BIOS Requests ONLY!
Today, 07:09 AM -
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by isaabiyevHI. Need to remove the BIOS password. Original BIOS bin file attached to this message. Thanks!...
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Channel: BIOS Requests ONLY!
Today, 09:26 AM -
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by LukosiukasHello, i have question about ASUS ROG GA401Q, the integrated "soldered" ram has many errors when testing with MemTest, can i disable it ? i have access to all soldering equipment, bios programmer.
Have a nice day!...Today, 02:33 AM