SKU: 95629484595

Blackmagic Design Spares - ATEM 4M/E BCast Studio 4K - PCB Mezz

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Description

Blackmagic Design Spares - ATEM 4M/E BCast Studio 4K - PCB MezzThe Blackmagic Design Spares ATEM 4 M E Broadcast Studio 4K Mezzanine PCB is a specialized high density interface board for the "top of the line" 2RU rack mount switcher. Because this switcher handles 20 inputs of 12G SDI and supports frame rates up to 2160p60, the data throughput is too massive for a single circuit board. The Mezzanine board acts as the "Input Output Engine," sitting directly atop the Main PCB to handle the physical physical signal

The Blackmagic Design Spares - ATEM 4 M/E Broadcast Studio 4K - Mezzanine PCB is a specialized high-density interface board for the "top-of-the-line" 2RU rack-mount switcher.

Because this switcher handles 20 inputs of 12G-SDI and supports frame rates up to 2160p60, the data throughput is too massive for a single circuit board. The Mezzanine board acts as the "Input/Output Engine," sitting directly atop the Main PCB to handle the physical physical signal conditioning for the massive array of BNC ports.


Core Responsibilities

  • 12G-SDI Bank Management: Specifically handles the 20 inputs and the multiple Program/Aux outputs. Each port has dedicated 12G-SDI re-clocking to ensure signal integrity over long cable runs.

  • Standards Conversion: In the Broadcast Studio 4K model, the Mezzanine board contains the hardware that allows every single input to have its own standards converter. This allows you to plug in a mix of HD, Ultra HD, and different frame rates simultaneously.

  • Signal "Sandwich" Interconnect: It passes processed video data down to the Main PCB (where the 4 M/E rows and 16 Keyers are calculated) via high-speed, multi-pin board-to-board connectors.


When to Replace the Mezzanine PCB

On this professional-grade unit, the Mezzanine board is often the part that "takes the bullet" for the rest of the system during electrical mishaps.

  • Bank Failure: If a group of inputs (e.g., Inputs 1–10) suddenly goes black while the rest of the switcher functions, a localized power regulator or controller chip on the Mezzanine board has likely failed.

  • Sync/Conversion Errors: The switcher connects to the computer and shows the Multiview, but the inputs show "Unsupported Format" or glitchy video despite the "Standards Conversion" being turned on.

  • BNC Physical Damage: With 20 inputs and over 10 outputs, the BNC connectors are under immense stress in mobile fly-packs. If a connector is sheared off or the internal pin is pushed in, the Mezzanine board is the part that must be replaced.

  • Heat-Related Artifacts: If the video shows "sparkles" or digital noise that only appears after the unit has been on for 30 minutes, the 12G-SDI processing chips on this board are likely overheating or failing.


Technical Installation Note

Repair Level: 5 (Expert). This is a high-risk repair due to the density of the components.

  1. Massive Port Disassembly: You must remove the hex nuts and washers from all 30+ BNC connectors on the rear of the unit. Using a power driver is discouraged as it is very easy to strip the threads or slip and gouge the PCB.

  2. The "Lifting" Danger: The board is connected to the Main PCB by several high-density "mating" connectors. You must lift the board perfectly level. If you tilt the board while lifting, you will bend the pins on the Main PCB, which usually results in needing to replace both boards.

  3. Thermal Pad Criticality: This board generates an immense amount of heat. You must replace all thermal pads (often 10 or more) that sit between the Mezzanine chips and the internal heatsinks. Reusing old, compressed pads will lead to a "thermal runaway" failure of the new board.

  4. Weight & Alignment: The board is heavy and large. When reinstalling, ensure all 30+ BNC ports align with the chassis holes before pressing down on the interconnect pins.


Diagnostic: Mezzanine vs. Main

  • It is the Mezzanine Board if: The ATEM Software Control works, the Multiview UI is visible, but all or most of the SDI Inputs are dead.

  • It is the Main Board if: The unit won't boot, won't connect via Ethernet, or the 4 M/E effects (like the DVEs) are crashing the system.

Expert Advice: Because the ATEM 4 M/E Broadcast Studio 4K is a flagship unit, it is highly sensitive to static. If you are replacing the Mezzanine board, ensure you are working in a climate-controlled, ESD-safe environment. A single static pop to one of the 12G-SDI pins during installation can permanently damage the new board.

Are you losing a specific group of inputs, or is the entire SDI I/O bank unresponsive?

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SKU: 95629484595

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Amazon Customer
Grantham, US
★★★★★ 3
Interesting take on the genre
Format: Kindle
True rating: 3.25 ⭐️ I enjoyed the fresh take on the genre. The best way I could describe the setting and world is an apocalyptic dystopian version of Farie where vampires, fae, and angles struggle to survive in what is left of the world. It was definitely interesting throwing the academy/hunger games aspect into this world as well. Even though I guessed the final reveal early on in the book, I kept hoping I was wrong, and it would take a surprising turn. While the "plot twists" were a bit predictable to me, I still enjoyed the ride this book took me on. Another downfall for me was the plot holes in the world building... I.E. if society has fallen and the world is in the aftermath of war, how are there trains running around the world? Just to take young adults to the trials to get into the golden city? How is the train maintained, the tracks clear, etc? However, I did enjoy the FMC & MMC and thought they were fleshed out nicely. I also enjoyed the side characters but wish some were developed more like Ashalin (sp?). I do find myself rooting for the MCs to succeed and find happiness together, which is obviously an important aspect for romantasy. Overall, was this an earth-shattering, mind-bending, terrific piece of literature? No. But was it the worst thing I've read this year? Also, no. This book has, to me, the bones of a great read & just needs a bit more to push it from an alright book to a great book. Overall ratings: Plot- 3.5⭐️ World building 3⭐️ Spice 2.5 🌶🌶 Main characters 4 ⭐️ Supporting characters 3.5⭐️
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Reviewed in the United States on May 12, 2024
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Irene zamora
Cuba, US
★★★★★ 5
great book
Format: Kindle
I am really excited to meet the author at the book retreat this month. I really enjoyed this world that she built and most of the female main character Huntress is so awesome. She goes through a lot in this book and the ending; wow! I wouldn't have even guessed. I highly recommend everyone to read this book. I have been so lucky this year that almost all the books I have read have been, so far, 5 out 5 stars.
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Reviewed in the United States on June 2, 2026
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Anastasia Goygova
Carnegie, US
★★★★★ 4
Fallen for the Fallen Angel – A Guilty Pleasure Worth Every Page
Format: Kindle
There’s something deeply irresistible about a dark academia or trial-based setting, a brooding and arrogant fallen angel, and a fierce heroine with enough sass to go toe-to-toe with him. Wings So Wicked is exactly that kind of book—and I devoured it in just a couple of days. To be fair, the plot isn’t groundbreaking. If you’re looking for something fresh and innovative in terms of storyline, this might not be it. But if your reader heart beats faster at the mere mention of enemies-to-lovers, jealousy-fueled banter, magical trials, betrayals, and forbidden tension—you’ll feel right at home. It’s like catnip for those of us with this particular weakness. The chemistry between the leads could have used a slightly slower burn to make the tension sizzle longer, but I still found myself completely invested in their dynamic. There are moments and phrases that feel a bit cheesy or underdeveloped, but honestly? I didn’t care. The vibes were exactly what I wanted. This book isn’t trying to reinvent the genre—it’s here to give readers like me what we crave: high-stakes magical drama, angsty romance, and the thrill of watching a badass girl and her brooding counterpart clash and spark. If that sounds like your kind of story, Wings So Wicked will hit the mark. Here’s hoping Book 2 turns up the heat and keeps the magic alive.
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Reviewed in the United States on May 20, 2025
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Madi lohr
Lexington, US
★★★★★ 5
my new favorite book
Format: Kindle
Ok so I never write reviews but this book was so good I felt the need to write this. Firstly your introduced to Huntyr you see her closed off hard core badass than towards the end you see the most subtle change and growth it’s amazing and the enemies to friends to lovers was just perfect, AND THE TWIST AT THE END GOT ME GOOD! You see one spicy scene the whole book but it doesn’t even MATTER BECAUSE THE BOOK WAS THAT GOOD. I’ve read 85 books in 2023-2024 so far and I’m pround to say this is my all time favorite. I’m so excited to read more of Emily Blackwoods books, this was my first time reading one of hers and I’m glad I did because HOLY!! Well done Emily well done
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Reviewed in the United States on February 23, 2024
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Robin
Port Orchard, US
★★★★★ 4
Fast paced romantasy you will not want to put down!
Format: Kindle
4.25 stars! I LOVED this book with similar vibes to Hush Hush, Fourth Wing, and The Serpent and the Wings of Night! It was fast paced with easy world building and will keep you turning the pages late into the night because you will not want to put it down! Huntyr is a fierce bad@ss FMC trained to kill vampyres her entire life. She is sent on a mission to go to the academy and earn her spot into The Golden City. Upon arrival, she is forced to room with the delicious fallen angel, Wolf, who is the only one who knows about her assassin identity. The romance, the plot twists, the secrets revealed, the battles, and the tantalizing training scenes had me hooked! And that ending…. I’m holding my breath in need to know hell! Read if you love: 🪽 Fae, Vampyres, Fallen Angels 🪽 Academy setting with magical trials 🪽 Forced proximity and slow burn 🪽 Rivals to lovers 🪽 Hidden identities and secrets 🪽 Tend your wounds “𝘖𝘧 𝘤𝘰𝘶𝘳𝘴𝘦 𝘐 𝘸𝘢𝘴 𝘸𝘢𝘵𝘤𝘩𝘪𝘯𝘨 𝘺𝘰𝘶. 𝘐 𝘤𝘰𝘶𝘭𝘥𝘯’𝘵 𝘭𝘰𝘰𝘬 𝘢𝘸𝘢𝘺 𝘧𝘰𝘳 𝘢 𝘮𝘰𝘮𝘦𝘯𝘵, 𝘦𝘷𝘦𝘯 𝘪𝘧 𝘐 𝘵𝘳𝘪𝘦𝘥.” “𝘐𝘧 𝘺𝘰𝘶 𝘸𝘢𝘯𝘵 𝘮𝘦 𝘰𝘯 𝘮𝘺 𝘬𝘯𝘦𝘦𝘴, 𝘏𝘶𝘯𝘵𝘳𝘦𝘴𝘴, 𝘢𝘭𝘭 𝘺𝘰𝘶 𝘩𝘢𝘷𝘦 𝘵𝘰 𝘥𝘰 𝘪𝘴 𝘢𝘴𝘬.” “𝘠𝘰𝘶 𝘥𝘰 𝘯𝘰𝘵 𝘬𝘯𝘰𝘸 𝘵𝘩𝘦 𝘷𝘪𝘰𝘭𝘦𝘯𝘤𝘦 𝘵𝘩𝘢𝘵 𝘳𝘶𝘯𝘴 𝘵𝘩𝘳𝘰𝘶𝘨𝘩 𝘮𝘺 𝘷𝘦𝘪𝘯𝘴, 𝘣𝘦𝘨𝘨𝘪𝘯𝘨 𝘮𝘦 𝘵𝘰 𝘰𝘣𝘭𝘪𝘵𝘦𝘳𝘢𝘵𝘦 𝘢𝘯𝘺𝘰𝘯𝘦 𝘸𝘩𝘰 𝘭𝘢𝘺𝘴 𝘢 𝘩𝘢𝘯𝘥 𝘰𝘯 𝘺𝘰𝘶.”
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Reviewed in the United States on June 12, 2024

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