Friday, February 18, 2011

How to Replace a Broken Sony DSC-T90 Digital Camera LCD Screen

This is a step-by-step guide on how to replace a broken LCD screen for the Sony DSC T90 Digital Camera.

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Tools Required:
-Replacement LCD screen. Can be bought HERE.
-Small Phillips Screw driver.
-Soldering Iron
-Solder

Step 1: Remove the battery. There are 4 screws total holding the outer shell of the camera. One on each corner (red circles). To reach the bottom two, you have to slide the camera cover up. Vise versa for the top two. *There may be a few extra screws you have to unscrew*

Step 2: Separate the front and back housings carefully. Be careful not to pry it apart as they are connected together by the LCD ribbon cables. Once you have separated the two housings unplug the LCD ribbon cables. (there should be three. One big one and two small ones). *There may be a few extra screws you have to unscrew*


Step 3: Remove the LCD screen from the housing. You'll have to carefully lift the internal components of the camera in order to remove the LCD screen.

Step 4: Get your new LCD screen ready and prep the soldering iron.
Here is a side-by-side comparison of the screens:

Step 5: Remove the solder that's holding the LCD screen to the touch sensor. (see picture)

Step 6: After removing the solder separate the LCD screen and the touch sensor. Be sure to save the white plastic backing, as we will be needing this for later.

Step 7: Re-solder the new LCD screen to the old touch sensor. After re-soldering, carefully place the LCD back onto the white plastic backing. Make sure the edges lock in.

Step 8: Re-connect the LCD ribbons (all three) and re-assemble the camera (reverse engineering!). All done.

You can pretty much apply the concept of removing/engineering to any Digital Camera.

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