Part Brand: Sony

Board Model: MB-124

Part Numbers: 1-876-898-11 (also replaces A-1558-058-A or A-1545-412-A)

Condition: Pre-owned, Pulled from a working Sony BDP-S550. Fully tested.

Overview:

This is the original main logic board for the Sony BDP-S550 Blu-ray Disc Player. It includes the HDMI port, LAN port, and the main system processor under the factory aluminum heatsink. This is a "plug-and-play" replacement part for a unit that is failing to boot, has corrupted video output, or a dead HDMI port.

Compatible Models:

• Sony BDP-S550 (Primary)

• Sony BDP-BX1 (Often shares internal architecture—buyer to verify)

• Sony HCD-E300 / BDV-E300 (Home Theater variations using the MB-124 chassis)

Technical Notes:

• Ports: 1x HDMI, 1x Ethernet, 1x Component Video, 1x Optical Audio.

• Storage: Features Elpida memory modules for high-speed buffering.

• Please ensure the part number 1-876-898-11 matches your original board exactly before purchasing.