Sony KD-43X7 F Series Service Manual page 51

3.9.4 USB Port 1 or 3
3.9.4 USB Port 1 or 3 – No Detection / Cannot Play / No picture / No Sound – Checking Point
USB (B-board Checking) – Checking 5V Points [USB Port 1 or 3]
Board
Board PWB (A side)
Name
BB9
C7012
Detail
Have 5V?
C7037
(Supplementary
information)
51
SYS SET