Samsung BN94-01658E Main Board for PN50A550S1FXZA

Samsung BN94-01658E Main Board

Location: 00i5

This replacement main board is designed for Samsung TVs using model PN50A550S1FXZA. The main board controls all critical functions — video processing, input/output switching (HDMI, component, etc.), audio output, and overall system logic. This part is ideal if your TV powers on but displays no picture or fails to pass signals correctly.

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Part & Board Numbers

• Part Number: BN94-01658E
• Other Board / Printed Identifiers (may appear on the unit):
  • BN94-01658E
  • Variant board IDs depending on region or production batch

Important: Always verify the part or board number on your original board before ordering. Matching by TV model alone may not guarantee correct compatibility.

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Compatible TV Model

• Samsung PN50A550S1FXZA

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Common Failure Symptoms Addressed by This Board

• TV powers on but screen remains black or shows no picture
• No HDMI or input recognition even with correct source and cables
• TV stuck on logo, fails to boot, freezes or reboots repeatedly
• No sound or distorted audio although input and cables are correct
• Loss of menu/OSD or smart-TV functions (if applicable)

Note: These issues may also stem from other components (power supply, T-Con board, panel, etc.). Proper diagnosis is recommended before ordering replacement boards.

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Installation & Safety Instructions

• Unplug the TV and wait several minutes for internal capacitors to discharge before servicing.
• Use proper anti-static (ESD-safe) precautions when handling circuit boards.
• Ensure all ribbon cables and connectors are fully seated and aligned correctly.
• Avoid bending the board or forcing any connectors during installation.

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Condition & Testing

• Professionally tested and confirmed working replacement.
• Guaranteed to function correctly when installed as instructed.

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Warranty & Returns

• Warranty: 180-Day Warranty.
• Returns accepted if board is unmodified, undamaged, and installed properly.
• Please retain your original board until repair is confirmed successful.

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Shipping

• Ships from Brighton, TN (or your standard shipping facility).
• Secure packaging to protect the board during transit.
• Expedited shipping options available when selected at checkout.

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If you’re uncertain whether this board is the correct replacement for your TV, please contact us before ordering — we’re happy to assist with compatibility verification.