Backlight issues here's how I fixed mine!@John &Io Nut I have an LED cinema display 24" from 2009, I have excatly the problem that the screen blanks out after a 1...
Answer to "A1267 ACD 24" backlight issue"@morgan I had exactly the described problem 2 months back, I did some extensive research and tests with my oscilloscope. I am not yet 100% where the problem lies but the monitor has worked perfectly for 3 weeks now. I disassembled my display totally including the LG Panel and took some images. See the ifixit.com 27" What components need replacing on the Logic board? I took apart the LED stripe as well and desoldered it. In addition to changing 8 capacitors in the power source and now the display works as a charm. I have also some pictures how to get the LED connector out, but that is really tedious, see the pics. What components need replacing on the Logic board?
Answer to "Apple LED Cinema dont work. Please help!"I just fixed a different issue in my 24" CINEMA displaz so I had to dig pretty deep into the display manuals and IC chips on the logic board. Maybe if you send me the exact details of your display, see http://www.everymac.com/ultimate-mac-lookup/?search_keywords=2316 Then I can get an image what device you exactly have. Can you also take a high precision image of the IC chip side of your logic board, to verify that no chips are burned. Then if possible try to connect another cable to the Logic board to rule out the cable fault. PS: ich kann auch deutsch. Update (03/08/2017): So you have exactly the same device as I do. OK. Now, (1) you say that the Fan spins (2) the monitor is not recognized by the system, no iSight and no USB hub (3) The test voltages are ok, according to the service manual. (4) The charging is still working Check if you have a faint image on the LCD, no backlight? Did the display work before? or was it dead already when you got it? Try to lay it horizontal and see if it works. It sounds...