LG VX9800 Logic Board Replacement
Steven Clark and 3 other contributors
Last updated on Jan 28, 2014
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Introduction
Go to step 1 ↓If your front screen, keyboard or speakers stop working you may need to replace your logic board. Follow this guide to do it.
What you need
Tools
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Spudger4.9
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Remove the two triangular pads at the top of the two speakers.
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These pads have adhesive to keep them situated, so you may want to use a fine-tipped object, such as a screwdriver or a pen, to remove them. It is easiest to place the fine-tipped object in the small indent in the corner of these pads.
Ask FixBot
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Remove the two rubber cylinders from their shafts. These cover more screws.
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This requires a little more effort, so you may need to "dig" them out.
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Starting on the side with red square, pry the faceplate upwards with the flat end of a spudger.
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Continue to slide the flat edge along the seam of the faceplate.
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Lift the dislodged faceplate off the motherboard while being mindful of the wires still attached to it.
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The faceplate is still attached through speakers that travel from the ear-piece to the motherboard.
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Carefully wedge the flat or pointed end of the spudger beneath the ear-piece and the faceplate.
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This may require a bit of force, as the ear-piece is stuck to the faceplate with adhesive.
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Use Spudger to pry against the side side of the phone and the logic board to release it.
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The logic board is connected to a thin silver piece of metal highlighted with a blue square in the photo. Pry against this piece and the phone to release the board.
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Remove 4 wires from logic board. Replace board by soldering back the 4 wires and you're done!
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Team
Cal Poly, Team 16-32, Maness Winter 2010 Member of Cal Poly, Team 16-32, Maness Winter 2010
CPSU-MANESS-W10S16G32
4 Members
48 Guides authored
