Samsung mainboard BN94-16880Y BN41-02854A 65" Neo QLED 8K TV QE65QN800ATXXU
Other QN800A and QN900A series TVs also use a BN41-02854A board but may require a different BN94- number depending on the screen size. The QAQ800B refers to the compatible Samsung Q-Series soundbar that works with these TVs.