Hello. Does anyone know the code for this regulator marked H50A A121?
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Could it be a 5.0V LDO regulator? -
It might be a LN1131Comment
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Hola, gracias por tu respuesta. Si es un regulador de 5 V y la distribución de pines coincide, 300 mA son suficientes. Gracias, se acerca bastante.
Google translate - Hi, thanks for your reply. If it's a 5V regulator and the pinout matches, 300mA is sufficient. Thanks, that's pretty close.Attached FilesComment
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Marking Rule, Output Voltage Range（V）Attached FilesComment
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Okay, thanks.Comment
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Hello. I write in English, so I don't know what the problem is.Comment
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Try to identify the ICs that are powered by the regulator, then examine their datasheets. That should tell you what voltage they expect.Comment
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Hi. Thanks for your reply. That's the first thing I did; it's also printed on the motherboard. It's 5 volts output, thank you.Comment
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Hello. Could you help me identify the code for this component marked .11?
It belongs to the BMW X1 automotive gear selector circuit.... -
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Hi everyone.
I have a HP Elitebook 850 G8.
Serial: 5CG2324XM0
ProdID 6L8D5EC#ABA
It has a Winbond W25Q256JVEN Chip.
I need to remove BIOS Password.
I made a dump with an CHA341A programmer and NeoProgrammer 2.2.0.10.
Attached my dump.
I also used the HP Unlocker tool to create an unlocked file (I followed the guidelines)
I also downloaded latest HP BIOS Update (SP158137) which includes 3 .bin files. I found the Number T76 in my original dump, so I used: T76_01210000.bin
What I did:... -
Hi,
I try to repair an old Intergraph TDZ 2000 from 1998. It is a dual Pentum II machine based on Intel 440LX chipset. There is a non-removable bios chip named PhoenixBios B1787840. I cannot see any physical damage to the board. All caps look OK.
It shows no picture and POST stops with code 2F/2E regardless whether or not any graphic card is plugged in. If memory is removed, it stops on previous code 28/17 and stars beeping. I tested both CPUs in another machine and I also use RAM from another machine.
When I recorded video of POST card and played it in slow... -
Hi Folks
I have an MSI PRO Z690-A DDR4 (MS-7525) which underwent LGA1700 replacement and had a missing resistor in the VRM section. The missing resistor RV170 (49,9Ω) has been resoldered, and I have also replaced a demaged LGA1700 socket.
Generally the board does boot to Windows, but not always in the first attempt, but after the second attemp to boot the board with Power Button. Also restarting the board from Windows ends up with stuck boot process, but restarting the board again (long push Power Button or switching off and on PSU). Under Windows etherything works...
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