Hi can someone point me where is the fuse of backlight display or something else.I put motherboard schematic bottom of this post
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I upgraded display from HD to UHD recently, and I think I did everything right, battery was disabled in BIOS, and removed, yet the screen has no backlight. Both the old and new display behave the same way. I checked the motherboard and I see the fv1 fuse, and a fv2 spot for a fuse, but it's missing. Does anyone have any information on whether fv2 is responsible for backlight, or why it's missing? There's a schematic posted somewhere on this forum, but I can't view it as I don't have the hardware right now, since the laptop screen is broken and I run Linux.
Also from further search... -
this tv is throwing me for a loop. do samsung tvs no longer have the backlight self test feature built into the power supply?
i tested the backlight with my LED tester and it lights up both strips. one of them reads 100v and the other reads 63.7v.
unplugged mainboard from power supply but left backlight plugged in, and then plugged psu wall power in. expected to see backlights light up but see nothing.
according to how ive diagnosed in the past, this would almost always be a bad power supply. replacement power supply was cheap like 20$ from ebay. but still i get not even... -
I have a toshiba laptop satelite series c55-a-1h9 with a burnt item on pcb motherboard which is responsible for backlight display. the short came after installation of cable lvds and broken the leg with the v+ of backlight and made this short . the lvds cable replaced and i have working display now but not backlight. the problem is i dont know what was the component that burned in order to change it. voltage i have in this points of burned item at up side 19v and dropping and from down i have steady 19v . can anyone help me? i shall post some photos to see.... -
Greetings to all, I hope you can help me by telling me how the backlight fuse is labeled in this model, thank you very much -
Hello!
I have a couple of T440p that need backlight fuse, image is present but no light. Can someone please point them so i can replace them?
Thank you!
Schematics: https://www.badcaps.net/forum/troubl...42#post147114208-26-2024, 02:36 PM