SKU: 28991270715

Blackmagic Design Spares - ATEM Constellation 8K - PCB Audio

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Description

Blackmagic Design Spares - ATEM Constellation 8K - PCB AudioThe Blackmagic Design Spares ATEM Constellation 8K PCB Audio is the dedicated hardware module responsible for the massive 156 channel Fairlight audio engine inside the Constellation 8K. Unlike smaller switchers where audio is processed on the main board, the Constellation 8K requires a standalone PCB to handle the high density digital audio routing, including the de embedding of 40 SDI inputs and the management of the MADI (Multichannel Audio Digital

The Blackmagic Design Spares - ATEM Constellation 8K - PCB Audio is the dedicated hardware module responsible for the massive 156-channel Fairlight audio engine inside the Constellation 8K.

Unlike smaller switchers where audio is processed on the main board, the Constellation 8K requires a standalone PCB to handle the high-density digital audio routing, including the de-embedding of 40 SDI inputs and the management of the MADI (Multichannel Audio Digital Interface) I/O.


Core Responsibilities

  • MADI Management: Handles the BNC MADI In and MADI Out ports on the rear, allowing for 32 channels of digital audio expansion per port.

  • Analog-to-Digital Conversion: Manages the balanced XLR analog inputs and outputs, providing the high-quality conversion needed for professional line-level signals.

  • DSP Processing: Provides the dedicated horsepower for Fairlight features like 6-band parametric EQ, compressors, limiters, and noise gates across all 156 channels.

  • Talkback Hub: Routes the communication channels for the front 5-pin XLR headset and the rear RJ45 talkback ports (Production and Engineering loops).

  • Audio De-embedding: Aggregates the 16 channels of embedded audio from each of the 40 12G-SDI inputs and passes them into the Fairlight mixer.


When to Replace the Audio PCB

  • MADI "Silence": The unit functions perfectly for video, but the MADI inputs/outputs show no signal in the Fairlight mixer despite a confirmed external source.

  • Total Analog Failure: The XLR inputs are dead, or the balanced analog program output is silent or produces heavy distortion/static.

  • Talkback Failure: The production crew can see the video, but the headset communication is completely dead or only works in one direction.

  • Processing Crashes: The Fairlight tab in the ATEM Software Control freezes or shows "Engine Error" when you attempt to adjust EQs or dynamics.

  • De-embedding Errors: You lose audio across multiple SDI inputs simultaneously, even though the video signal remains clean.


Technical Installation Note

Repair Level: 4 (Advanced).

  1. Rear Connector Alignment: This board is directly attached to several rear-panel connectors (MADI, XLR, and Talkback). You must remove all associated screws and nuts from the chassis before the board can be safely extracted.

  2. Ribbon Interconnects: The Audio PCB communicates with the Main PCB via several high-density ribbon cables. Ensure these are seated perfectly; a loose data cable here can cause "digital pops" or high-pitched shrieks in your audio mix.

  3. Heatsink Integrity: While not as hot as the video FPGAs, the Fairlight DSP chips generate heat. Ensure any thermal pads are intact and making contact with the metal internal cooling frames.

  4. ZIF Sockets: If this board uses FFC (Flexible Flat Cables) for the front panel talkback connection, use extreme caution with the locking gates.


Diagnostic: Audio PCB vs. SDI Mezzanine

  • It is the Audio PCB if: You have lost all audio, including the MADI and Analog XLR ports.

  • It is an SDI Mezzanine if: You have lost audio only on a specific bank of 10 SDI inputs, but the MADI and XLR inputs are still working.

Pro-Tip: If you are hearing "digital clicks" in your audio, first check the Reference (Genlock) settings. Inconsistent sync between the switcher and your audio console can cause buffer errors that sound like hardware failure but are actually just a timing mismatch.

Are you losing audio on your MADI/XLR ports specifically, or are you seeing "silent" meters on your SDI camera inputs?

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.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 28991270715

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