iMac Intel 21.5" EMC 2308 LED Driver Board Replacement
Введение
Перейти к шагу 1Use this guide to replace a broken LED driver board.
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Инструмент, используемый на этом этапе:Heavy-Duty Suction Cups (Pair)$14.95
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Stick a suction cup near each of the two top corners of the glass panel.
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If your suction cups refuse to stick, try cleaning both the glass panel and the suction cup with a mild solvent.
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Gently lift the glass panel perpendicular to the face of the LCD enough to clear the steel mounting pins attached along the underside of the top edge of the glass panel.
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Pull the glass panel away from the lower edge of the iMac and carefully set it aside.
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Remove the eight 8 mm T10 Torx screws securing the display to the outer case.
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Pull the vertical sync ribbon cable out of its socket on the LED driver board near the top left corner of your iMac.
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Rotate the display out of the outer case enough to disconnect the LED backlight power cable from the LED driver board.
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Squeeze the two display data cable connector arms together to unlock it from its socket on the logic board.
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Pull the display data cable connector away from its socket on the logic board.
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Disconnect the LCD thermal sensor cable connector from its socket on the logic board.
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Carefully pull the display toward the top edge of your iMac and lift it out of the outer case, minding any cables that may get caught.
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Remove the two 9 mm T10 Torx screws securing the LED driver board to the outer case.
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Lift the LED driver board out of its recess in the outer case, minding the DC-In cable still attaching it to the power supply.
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Disconnect the DC-In cable by depressing the locking mechanism while pulling the connector away from its socket on the LED driver board.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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6 Комментариев
Same question as above, how to check if it's power board or LED driver board that is damaged?
It might not be a complete answer but I had to change my LED Driver Board when my display went black ( as if the computer was in sleep mode ) as soon as the computer was on. I had to push the power button to get the screen back multiple time. There was also a problem with the graphic card but even after changing the GC, the screen would go black. We figure it was the LED Driver Board when we realized the computer wouldn’t show anything on an external monitor. Hope it helps :)
I have the same problem Mary. The imac starts but no screen and i need to shut down/turn on a few times until i see the normal screen. Very ocassionally the screen blinks too or turns to black and i can only see stuff by flashing a light to the LCD. Where did you buy the LED Driver Board?? Can’t find it anywhere..
