Chosen Solution
Sony XBR-75X850 C no power, no standby light, changed both power boards and main board and still no power or light
Hi, Did you also check that the cable between the B board and the G board is OK? Here’s the service manual for the TV. Here’s an image of the first section of the No Power troubleshooting flowchart that may help to narrow down where the problem lies.
(click on image to enlarge for better viewing)
