Sharp LC-60LE745U Service Manual page 52

LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition)
• Picture does not display.
A screen isn't displayed.
(The LED Backlight has shone at start-up)
NO
Please enter the adjustment process mode and display "LCD TEST
PATTERN" of 18 page.
Please press volume (-)/(+) keys and a test pattern is displayed.
Is it all usually displayed?
NO
Is only the half of the right screen or the left screen displayed normally?
NO
Please check the C-PWB.
Replace another board.
Trouble Shooting LCD controller board(C-PWB)
YES
YES
YES
6 – 7
• It is checked whether PL/LW is connected correctly.
• Replace another C-PWB.
It isn't the fault of a C-PWB.
Please check operation with reference to other items.
• It is checked whether FFC (to Panel) is connected correctly.
• Replace another C-PWB.