SONY KDL-46XBR4 UB1 BOARD A-1257-224-A (1-873-860-11, (172868211))
Compatible TV Models:
KDL-40XBR4 KDL-40XBR5 KDL-46XBR4
KDL-52XBR4 KDL-52XBR5 XBR-46HX909
VERY IMPORTANT:The board was extracted from a TV working correctly with a broken screen.
Horizontal lines on the screen are NEVER caused by a board. Horizontal lines indicate a defective LCD panel (screen) no part except a NEW screen will fix it.