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Sony A-1951-645-A (1-889-018-11) BAF2S Board for XBR-55X900A

Sony A-1951-645-A (1-889-018-11) BAF2S Board for XBR-55X900A

SKU:: sj-A-1951-645-A

Was

$142.94

(You save $69.58)

$73.36

Sony A-1951-645-A (1-889-018-11) BAF2S Board for XBR-55X900A

Was

$142.94

(You save $69.58)

$73.36

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Available Out of Stock | Ships same business day if ordered before 4pm CT!

180-Day Warranty

We highly recommend matching your part number. Learn more

We have a repair tutorial video for this part. Watch it below!

SN range: 6010001-671000\r\n\r\nAfter replacing this board, you may need to update the software to the latest version. Please go to esupport.sony.com and download the correct version for your model and follow all instructions.

---SN range: 6010001-671000

After replacing this board, you may need to update the software to the latest version. Please go to esupport.sony.com and download the correct version for your model and follow all instructions.---

Sony A-1951-645-A (1-889-018-11) BAF2S Board for XBR-55X900A

Known Models

Brand	Models	Versions
Sony	XBR-55X900A

Part Number:

A-1951-645-A

Warranty:

180-Day Warranty

Visible Number:

1-889-018-11

Visible Number:

173448511

Visible Number:

A1951600A

Manufacturer Part Number:

Sony A-1951-645-A

Videos

What is a main board?

The main board is basically the “brains” of your TV and controls everything, from the audio to video streams. All of the user data and settings are also stored on the main board.

Which symptoms does a main board fix in a TV?

• If your TV doesn’t turn on, it could be the main board. If your TV turns on but has no video and/or no audio, it could also be the main board.

• If one HDMI input works but others don’t work, it could be the main board.

*These are helpful tips to get you started and don’t represent accurate diagnoses for every TV model and failure. If you’re unsure of your diagnosis, we recommend checking out our YouTube channel or reaching out to a local TV technician for assistance.

How easy is it to replace a main board?

It's easy! Once you match the part number on your main board with the part number listed on this page to confirm compatibility, you’ll just need a screwdriver and the ability to remove the back of your TV and replace the board.

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Updating Results

05/05/25

We recommend matching the part number on your original part with the part number listed on this page to ensure compatibility.

While matching your model number is a great start, many models use variations of each part and they're not always interchangeable.

We include brief instructions in red text on some listings (also displayed below without the red font). Please look for these instructions to confirm any important info that you'll need to identify on your original part. Additionally, we highlight the part number in our photos.

Please don't hesitate to contact us with any questions. We're here to help!

Known Models

Brand	Models	Versions
Sony	XBR-55X900A

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Virgil M.

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Sony A-1951-645-A (1-889-018-11) BAF2S Board for XBR-55X900A

Known Models

Videos

How to Identify the Main Board Part Number in Your TV - Samsung, Vizio, Sony, LG, TCL & Hisense

Sony TV Repair-Part Number Identification Guide for Sony Main Boards-How to Fix Sony LCD/LED/Plasma

What is a main board?

Which symptoms does a main board fix in a TV?

How easy is it to replace a main board?

WRITE A REVIEW

ASK A QUESTION

Sony A-1951-645-A (1-889-018-11) BAF2S Board for XBR-55X900A

Known Models

Videos

How to Identify the Main Board Part Number in Your TV - Samsung, Vizio, Sony, LG, TCL & Hisense

Sony TV Repair-Part Number Identification Guide for Sony Main Boards-How to Fix Sony LCD/LED/Plasma

What is a main board?

Which symptoms does a main board fix in a TV?

How easy is it to replace a main board?

WRITE A REVIEW

ASK A QUESTION

Make an Offer on this Item!

Need more quantity?

We recommend matching the part number on your original part with the part number listed on this page to ensure compatibility.

Known Models