Optoma ZH400UST Projector Main Board – Original Part

Optoma ZH400UST Main Board – Original Replacement, Bring Your Projector Back to Life

If your Optoma ZH400UST projector shows any of these symptoms, the main board is likely the culprit:

• Won’t power on or indicator lights flash abnormally

• Powers on but no image (lamp and fan work, screen stays black)

• Random flickering, stripes, or snow on the screen

• HDMI or VGA inputs not recognized

This main board is a brand-new, genuine Optoma service part –  Each unit is tested before shipping.

Why choose this one?

• Exact match for ZH400UST – screw holes and ribbon cable connectors align perfectly.

• Plug-and-play – no firmware flashing or complicated adjustments needed.

• 180-day hassle-free warranty – if it doesn’t work or doesn’t fit, we’ll exchange or refund.

📦 Packaging & Shipping: Sealed anti-static bag + thick bubble wrap. Shipped via DHL/FedEx, typically 5–7 business days worldwide.

💡 Pro tip: Before replacing the main board, check your power supply board’s output voltage to avoid damaging the new board due to a faulty PSU.