SKU: 16140759795

Blackmagic Design Spares - ATEM 2M/E Prod Studio 4K - PCB Top

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Description

Blackmagic Design Spares - ATEM 2M/E Prod Studio 4K - PCB Topthe Blackmagic Design Spares ATEM 2 M E Production Studio 4K PCB Top (also known as the I O Mezzanine Board) is the upper tier circuit board in the 2RU chassis. In the "Production Studio" architecture, the unit is split into two primary layers: the Main Base PCB (processing) and the Top PCB (connectivity and input output distribution). This board is the "front line" for your signals, housing the physical BNC and HDMI ports for the 20 inputs and

the Blackmagic Design Spares - ATEM 2 M/E Production Studio 4K - PCB Top (also known as the I/O Mezzanine Board) is the upper-tier circuit board in the 2RU chassis. In the "Production Studio" architecture, the unit is split into two primary layers: the Main/Base PCB (processing) and the Top PCB (connectivity and input/output distribution).

This board is the "front line" for your signals, housing the physical BNC and HDMI ports for the 20 inputs and multiple program outputs of this UHD switcher.


Core Responsibilities

  • Physical Connectivity: Houses the 20 SDI inputs and 1 HDMI input, along with the Program, Preview, and Aux SDI outputs.

  • 12G/6G-SDI Re-clocking: Every input and output on this board features a dedicated re-clocking chip to ensure signal integrity across long cable runs.

  • Sync & Reference: Typically manages the Reference In (Genlock) and Tri-Sync signals to ensure the switcher is frame-locked with the rest of your studio.

  • Cross-Board Routing: Pre-processes raw video data and sends it down to the Main PCB for effects processing (M/Es, DVEs, and Keyers).


When to Replace the Top PCB

  • Port Failure (The "Wiggle" Test): If an SDI port only works when the cable is pushed to one side, the solder pads on the Top PCB have likely cracked.

  • Input Bank "Blackout": If a specific bank of inputs (e.g., Inputs 1–10) fails while the rest of the unit (software and Multiview UI) works perfectly.

  • HDMI Input Failure: On this model, the single HDMI input is a common point of failure due to the lack of locking screws; if it's "dead," the Top PCB is the part that must be replaced.

  • Surge Damage: If a lightning strike or power surge comes in via an SDI cable, the protection diodes and receiver chips on the Top PCB usually sacrifice themselves to save the Main PCB.


Technical Installation Note

Repair Level: 4 (Advanced). 1. BNC Nut Removal: You will need to remove over 30 silver hex nuts from the back of the unit. A deep-well $14\text{mm}$ socket is the best tool for this.

2. Ribbon & Pin Headers: The Top PCB is connected to the Bottom PCB via high-density pin headers. Critical: You must lift the board straight up. If you "pry" it from one side, you will bend the pins on the Bottom PCB, which is often a non-repairable mistake.

3. Thermal Management: The 4K processing chips on the Top PCB get very hot. Ensure you do not lose or damage the thermal pads located on the underside of the board.

4. Chassis Screws: There are several internal screws securing the Top PCB to the standoffs. One is often hidden near the center of the board—ensure all are removed before lifting.


Diagnostic Tip: Top vs. Bottom PCB

  • It's the Top PCB if: The switcher connects to your PC and the Multiview layout shows up on your monitor, but the camera feeds are "Black" or "No Signal."

  • It's the Bottom (Main) PCB if: The unit won't power on, won't show a Multiview UI at all, or won't communicate with the ATEM Software Control via Ethernet.


Pro-Tip: SDI Grounding

The Top PCB is common to failure in outdoor "OB" (Outside Broadcast) vans. If your cameras are powered by a generator and the switcher is on shore power, the Top PCB can fry due to the voltage difference. Always use an SDI Galvanic Isolator if you aren't sure about your power grounding.

Are you losing a specific set of SDI inputs, or is the entire back row of connectors unresponsive?

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 16140759795

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