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.

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.

Compatible TV Model

• Samsung PN50A550S1FXZA

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.

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.

Condition & Testing

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

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.

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.

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.