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Had same issues, if you shine a light into the screen once you turn it on and the backlights go off you should be able to see the no input signal icon... press menu on remote.. goto settings and factory reset. i have a feeling it will not turn the backlights off then either.
no just tried this connected avi lead into main board nothing so pressed the button on main board the backlight lit up but went straight off
could not see no input signal icon on the screen
The LED driver board is built into the PSU on these models.
Which button have you pressed in post #3?
@ Tom, There are no references on the boards to indicate what pin is for what... This board is slightly different to the one I was working on the other day but same will apply.
heres the picture m8
SW1001 is the button i press to light the backlight up it only stays on for as long as you hold the button in
tried last night with light shining on screen no image showing
just want to bump this up decided to get back to this tv after so long but basically suspect main board failure tv totally dead so does anyone have a idea how i can jump the power supply to see if its the main board,looked in a service manual but not much info
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