Toshiba 65 UL2163DBC-board voltages

[DCornelissen]

Tv has black screen -no sound. Can't see any faint image with led disconnected or backlights when main board is disconnected from psu. Tried replacing psu (Vestel), main board (Veste)and t conn (LG)boards with supposedly working boards from Ebay.
Can anyone confirm what the voltages should be on any of the boards? Can't find a service manual anywhere and there are no voltages printed on boards.

[nicholascarson]

Check PSU outputs: expect 12V/5V to the main board and high voltage (60-200V+) for backlights. Without a service manual, exact T-con voltages vary, but confirm its 12V or 5V input from the main board.
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quordle