Bravia no picture, backlight on. Tcon fault?

CalamL

Prominent
Jun 17, 2017
1
0
510
Sony bravia kdl50w 700b No picture.
Backlights work.
No audio from onboard speakers, external speakers via 2.5mm jack are fine.
Both appear to be on main board.
Does this indicate Tcon board fault?
 

rgd1101

Don't
Moderator
MERGED QUESTION
Question from CalamL : "No picture, (Sound only through external speakers) T-Con fault? Sony Bravia KDL50w700b."