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Xem

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Posts posted by Xem

  1. Hello, i built the 6582.. i finished everything and i'm so happy,

    but what break my happiness is the fact that 2 leds of the matrix can't turn on..

    the strange thing is that they are inside the matrix (6 col, 3 row and 4 col 6 row),

    and the fact that another led had the same problem.. i added some iron and now it works..

    i cant fix the other 2 whit the same method, they have enought iron now on each side.

    I've tested the joining and they are ok..

    what could be the problem?

    thx

    ps.

    the leds works, putting 5 volt (whit the resistor) it light up

    pps.. is normal that all over the board some led are lightly lighted?

  2. hello.. i wired my lcd and i works very well..

    but the backlight get so hot.. i verified the problem.. i noticed that the P1 should regulate the current on it..

    turning it do not change the lum of the led.. the volts at the a-k is always the same (5,2v)

    Is this normal? what should i do?

    --

    ps..

    wops.. i forgot to say what i'm speaking about.. the project o built is the mb-6582

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