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Palm Pre PCB (Phone Circuit Board) Replacement

Guia arquivado
Este guia é mantido exclusivamente para fins históricos. Use a versão atualizada do guia para executar o reparo.

Introdução

If you are having trouble with keyboard responsiveness, general processing or problematic lag, then the PCB may be the cause which must be replaced if reconnecting it doesn't work.

O que você precisa

  1. Palm Pre PCB (Phone Circuit Board) Replacement, Antenna: passo 1, imagem 1 %32 Palm Pre PCB (Phone Circuit Board) Replacement, Antenna: passo 1, imagem 2 %32

    • First the back panel must be removed to reveal the battery.

    • Remove the battery pack.

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  2. Palm Pre PCB (Phone Circuit Board) Replacement: passo 2, imagem 1 %32 Palm Pre PCB (Phone Circuit Board) Replacement: passo 2, imagem 2 %32

    • Remove the six T5 screws necessary to separate the backplate from the phone.

    • There is one screw in the upper right that is concealed by a small sticker labeled "Palm."

    • Additionally, there are interlocking tabs securing the back plate around the edges.

    • Use the opening tool to carefully go around the phone releasing these tabs.

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  4. Palm Pre PCB (Phone Circuit Board) Replacement: passo 3, imagem 1 %32 Palm Pre PCB (Phone Circuit Board) Replacement: passo 3, imagem 2 %32

    • Lift the metal flap marked in red to reveal the antenna connectors.

    • Carefully pry these the antennas from their connections, this can be done quite easily.

    • Take note of which colored wire is attached to each connection. The white wire corresponds to GPS, while the black wire corresponds to DIV, or diversity antenna.

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  5. Palm Pre PCB (Phone Circuit Board) Replacement, PCB (Phone Circuit Board): passo 4, imagem 1 %32 Palm Pre PCB (Phone Circuit Board) Replacement, PCB (Phone Circuit Board): passo 4, imagem 2 %32 Palm Pre PCB (Phone Circuit Board) Replacement, PCB (Phone Circuit Board): passo 4, imagem 3 %32

    • With the backplate removed, we have easy access to the PCB.

    • Two connectors must be disconnected so that we can remove the PCB.

    • Gentle prying with the opening tool should easily separate the glued PCB from the rest of the phone.

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Conclusão

To reassemble your device, follow these instructions in reverse order.

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