macbook pro Lcd backlight repair

Asking Price:
Tk. 500

Member since 31 Dec 2010
Dhanmondi, Dhaka
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    Category: Everything Else > Services > Electronics & Appliances Repairing > > macbook pro Lcd backlight repair

    DESCRIPTION ( macbook pro Lcd backlight repair )

    macbook pro lcd backlight repair

    When you hardly see apple logo while you start macbook most probably you need macbook pro lcd backlight repair bring it to apple fix hamilton at 85/a victoria street. When you start macbook you will hear the startup chime and it will start but you might not be able to see the display. But if you put any light behind the lcd where the apple is at the back you will see IOS booting up see the example in the below picture.

    See in the above picture in the red circle. We put light behind the lcd and we can see apple logo. This is a clear indication that back light circuit is faulty.

    macbook pro backlight circuit inspection.

    Back light circuit on macbook will have fuse, capacitor, transistor. You should be able to read the schematic diagram to find the fault. First component you will be looking at is backlight fuse or filter. If the fuse is fine you can check off line or online component functionality. From our experience if it is not the fuse the most probably it should be backlight ic. In this repair macbook backlight fuse was working fine and it came out to be backlight ic. If you would like to do a DIY and confused with the part number here is the part number of this chip. LP8550TLX-E00 D688 D68B LP8550 BGA25 you can buy these ics off apple lab . But this repair involves micro soldering skills. Taking out ic chip is skilled job. in the below picture you can see the location and the chip has taken out.

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