Sharp LC-90LE657U Service Manual page 48
Color television
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Also See for LC-90LE657U:
- Technical specifications (3 pages) ,
- Operation manual (152 pages) ,
- Setup manual (40 pages)
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LC-90LE657U
• 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 – 6
•
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.
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