180 Day Warranty   |   No Restocking Fees   |   Price Beat Guarantee   |   Same Day Shipping On Orders In By 4pm Central * |   888.294.4051

We're experiencing some problems with our phone system right now. If you're unable to get through, you can email sales@retechtv.com, techsupport@retechtv.com or CLICK HERE FOR RETURNS , or use the chat feature on the bottom right of your screen. 15% Discount for the inconvenience, enter "badcomcast" during checkout (without quotes).

Please be sure to order parts by PART NUMBER, not model number.(excludes stands)How to find your PART NUMBER!!

Sony A-1728-745-A Main Unit

Sold Out!

Sony A-1728-745-A Main Unit

Sold Out!
Please check back soon.


Board Type BU Board
Main Unit
Main Board
VGA Input
HDMI Input
A/V Board
Tuner Board
USB Input
S Video Input
Ethernet Input
Part Number A-1728-745-A
Additional Board Numbers A-1671-683-A
Known Compatibility SONY KDL-52XBR9
For Sets Using Panel LTY520HH02
Warehouse Location 00Y2
Notice Most TVs ship from their manufacturers in multiple configurations, so this may or may not be the part used in your set; please be sure your configuration uses this part prior to purchase