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Hi Everyone!
I'm new here and would appreciate some further guidance. I've read everything I can find on the forum relating to this problem.
Question:
Can anyone confirm that there is a microfuse in the power supply to the screen backlight L.E.D's on the A1278 logic board? It's value and location on the board would also be a help!
Thanks!
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There is a microfuse near the battery-connector. It has a value of 6A. It comes in a very small SMD-format. On it you find the designation: "F09 - 6A".
But it is the main-fuse of the book, not only for the LED-backlight!
I have the same problem like you: After a liquid spill I have repaired some components (also the microfuse). The main problem was the battery-load-indicator near the battery: The water did a very effective job there: The tiny board with the little battery-test-switch and the load-indicator-LEDs was completely destroyed and caused a short circuit on the motherboard, making the main microfuse blew...
Now I'm looking –like you– for more information about the LED-backlight:
- Where is the power supply for LED backlight?
- Which connector (or connection-pin of the disply-data-cable), is powereing the backlight?
I hope someone can help us???
Best Regards
Georg
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Same problem, anyone has the solution...
by angel