Anyone knows what op amp and dac are inside the new AVB motu's units?
I mean if someone took a look inside please let us know ...
I mean if someone took a look inside please let us know ...
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Last edited by jocondor; 03-13-2016, 08:45 AM.
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Introduction:
Hello everyone, this topic is more of a knowledge sharing and look inside type of post, but for someone working on this model of display it might be useful. Recently I bought Acer Nitro XV273 XB MIIPRZX with busted electronic, but screen was intact, price was incredibly low, so I took a gamble and bought the unit and try to fix it. As I dug inside, I found out that my motherboard was not responding, although all voltages seemed fine. I wasn't able to find any reliable information about this monitor on the web (only some pictures of motherboards from Ebay). By some research...04-18-2024, 12:47 PM -
Guys, I need your help. I have an issue with Lenovo T490s laptops – several dozen units in different configurations, and in about half of them, the same problem appeared over time. Specifically, the Enter and Backspace keys don't work unless they are held down for a few seconds or pressed slightly harder than usual. Once they start working, they continue to function until the next reset. However, this is not just a Windows issue – it occurs under other operating systems, in BIOS, and during POST as well.
While searching for information, I found many threads describing the same...12-27-2024, 01:41 AM -
Hi everybody.
i'm looking for the black tape inside apple's devices.
Is the tape tha covers the shield on the mainboard. when you take it out, loses the adhesive.
It is very thin.
can somenone help me to find it for a better repair?
Thanks, God bless you. -
AMD Radeon R9 290 / R9 380 / R9 390
The Radeon R9 290 was a high-end graphics card by AMD, launched on November 5th, 2013. Built on the 28 nm process, and based on the Hawaii graphics processor, in its Hawaii PRO variant, the card supports DirectX 12. This ensures that all modern games will run on Radeon R9 290. The Hawaii graphics processor is a large chip with a die area of 438 mm² and 6,200 million transistors. Unlike the fully unlocked Radeon R9 290X, which uses the same GPU but has all 2816 shaders enabled, AMD has disabled some shading units on the Radeon R9 290 to reach the... -
I know I've been a little scarce lately (like the last 2-3 years), but I'm still here and still doing my thing with fixing PSUs.
For today's considerations, I have a Seasonic B12 BC-550 [A551bcafh] 550 Watt ATX power supply for you (click on links for full size images).
https://www.badcaps.net/filedata/fetch?id=3591771
https://www.badcaps.net/filedata/fetch?id=3591772
It's a modern ATX unit with fixed (non-modular) cables and an 80-plus bronze certificate. Here's the label:
https://www.badcaps.net/filedata/fetch?id=359177...