Product Description

A-2170-503-A Sony BMKS Main Board (A2170503A)

• Part Number: A-2170-503-A (A2170503A)
• Board Number(s):  A2170474A
• Product Type: LED TV Main Board
• Compatible TV Model(s):

XBR65X850E, XBR-65X850E

This Sony main board (BMKS) is the central processing unit for your television, controlling all major functions including picture processing, audio output, and input signal management. If your TV is experiencing issues such as no picture, no sound, failure to power on, or input source problems, replacing this main board can restore full functionality to your Sony television.

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Key Features

• Genuine OEM Sony replacement part for reliable performance
• Direct fit replacement - no modifications required
• Restores full TV functionality including picture, sound, and smart features
• Quality tested to ensure proper operation
• Compatible with XBR-65X850E series televisions

Important Notes

• Professional installation recommended - main board replacement requires technical knowledge
• Disconnect power before beginning any repair work
• Verify your TV model number and existing board numbers before ordering
• Take photos of cable connections before disconnecting to ensure proper reassembly
• Handle circuit boards carefully - avoid touching components and connectors