This is from a TV model = Celcus DLED40125FHD
with a VES400UNDS-03 screen. other numbers from the TV are [10089464] [27148104]
Logic board = VESTEL 17MB55 (23189260)
Power board = 17IPS20 23152101

The tv did not come out of standby and it was a logic board fault, as I tried a known good Power board.

Fixed by reflashing the firmware SEE post #15 by me for instructions or the following text . I tried to put these pictures onto that post, but it would not let me

Now fixed by reflashed the firm ware with bornova_usb_update.bin and bornova_usb_update.scr...

VESTEL 17MB55 (23189260) board

Now fixed by reflashed the firm ware with bornova_usb_update.bin and bornova_usb_update.scr from "17mb55-v030h-r126232-bornova-pack-xls.zip"

Big thank you to ducky29

As a thank you I am posting the following information to help others :-

(1) Format a USB memory stick/ usbpen drive to FAT32

(2) copy the files *******.bin and ******.scr to top level (root) of the drive { NOT in a folder }

(3) unplug TV from the mains power

(4) place the USB stick in back of the TV...