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Acer AL2671T Buttons wont work

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    #1

    Acer AL2671T Buttons wont work

    Hi all read the i need to replace to caps on one of the boards 2 are 100uf 16v.
    The problem i have is i cant see any that have blown.
    The symptoms are Monitor will come on some times but i have no control over the buttons (volume,channels, on/off ect)When its on it may stay on for an hour or more.But i might not be able to switch it on at all. only after about an hour or so of powering up and down that it may come on.But then it may switch it sell of after 10 mins.
    Please if any has fixed/replaced the caps on this (Acer AL2671T) Please help as this is driving me mad
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    #2
    Re: Acer AL2671T Buttons wont work

    Originally posted by andyt1 View Post
    The problem i have is i cant see any that have blown.
    Capacitors die from age, heat, and shoddy build quality. Capacitors DO NOT have to be visibly bloated in order to bad. They can be out of tolerance uF (a 1000uF measures 20uF) and/or have high ESR (ohm).

    Post clear focused pictures AFTER reading

    https://www.badcaps.net/forum/showthread.php?t=1868

    Please do not post pictures inline as they slow down the loading of pages.

    For best picture quality and clarity take your boards to a window on a sunny day, turn flash off, and use macro mode. Take a top down view of all your boards (front and back). Make sure the photo is legible so that we can read the PCB printing clearly. A shutter speed of 1/125 or faster will produce nice clear focused pictures. Try to get a photo that is 2000x2000 resolution or as close as possible.

    Here is an example of the pictures we want.

    https://www.badcaps.net/forum/showpo...94&postcount=1
    --- begin sig file ---

    If you are new to this forum, we can help a lot more if you please post clear focused pictures (max resolution 2000x2000 and 2MB) of your boards using the manage attachments button so they are hosted here. Information and picture clarity compositions should look like this post.

    We respectfully ask that you make some time and effort to read some of the guides available for basic troubleshooting. After you have read through them, then ask clarification questions or report your findings.

    Please do not post inline and offsite as they slow down the loading of pages.

    --- end sig file ---

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