We have the LED strips for sale for the 65" version finally!
https://nickselectronics.com/products/nlaw50351

Full LED replacement video:
https://youtu.be/S5V0hRjH7TA?si=7PYfrphrlda5qUPD

This video is for TVs with model numbers:

XBR-55X900C
XBR-65X900C
XBR-75X910C

It can be used for other Sony TVs but the pinout might be different.

A proper repair resolving 4 and 6 blink code failures is always to replace LED strips. We have them back in stock finally for the 65" version. See link below:
https://nickselectronics.com/products/nlaw50351



Contact form on our website:
https://nickselectronics.com/pages/contact