Good evening, does anyone know the reference of an SMD IC marked CD-60Z, I can't find anything
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Hi:
I have what it might seem a zener diode. It's marked as E57, but I haven't found any reference that might match my observations.
I've took one from the same circuit and tested isolated with the power supply and a 1k resistor. with 10V, the possible zener stays at 6.6V.
It seems a SOD123 package. It measures (2.6mm x 1.6 mm).
Any idea? it's a 6.6V zener?
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Hello,
I am trying to repair a laptop and I found the chip in a schematics.
However, I cannot find anything when trying to search for SYV836.
Can anyone help me find this chip so I can buy it, please?
Thank you
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If you know the laptop serial or model number go to HP support https://support.hp.com/us-en/drivers/laptops .
Enter the serial number or model number and click submit.On the next screen you will have to enter the OS
Operating system and OS version.If... -
Hello,
I’m trying to repair a Lucky Miner LV06 Bitcoin miner that was given to me.
It looks like someone plugged 12 V into the 5 V rail and fried the three small adjustable regulators.
Each regulator is a SOT-23-5 package, all marked “BFCV.” I can’t find any datasheet or reference to that code. The regulators appear to generate 3.3 V (for ESP32), 1.8 V, and ~0.8 V (for the BM1366 ASICs), set by resistor dividers?.
From tracing the PCB:
Pin 1 (red) → 5 V in
Pin 2 > GND
Pin 3 (yellow) > output ... -
Hi, Im trying to find the area on the chip that contains all of my laptops information, but I havent found it. The laptop won't turn on anymore. I was updating the BIOS, and it was supposed to reboot itself, but it wouldnt turn back on. I ve tried every possible solution, every alternative on Lenovo forums, everywhere; I ve taken it to technicians, and no one has been able to fix it. I've already read the chip that contains the BIOS (Winbond 25Q128JSVQ) and searched for my laptops data, but they're nowhere to be found. I only find scribbles and lines of text indicating errors. Has anyone had a...
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