Changing LCD panel in MacBook
MacBook Core 2 Duo Front Display Bezel
Change of Ipod Touch 4 Gen front glass
iPod Touch 4th Generation Front Panel
"LCD working but no backlight."に関する回答I had the same issue on a whith MacBook Early 2009 version. I changed the inverter and the inverter cable but this did not help. Then I changed the LCD panel and the screen was ok. My guess is that the problem is a bad backlight (CCFL) on the LCD so my advice is to change the LCD panel.