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marce002
Badcaps Veteran
Last Activity: 02-13-2024, 12:08 PM
Joined: 05-30-2018
Location: Buenos Aires
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  • thanks a lot [B][URL="https://www.badcaps.net/member/277059-truclacicr"]truclacicr[/URL] !![/B]​thanks a lot [B][URL="https://www.badcaps.net/member/277059-truclacicr"]truclacicr[/URL] !![/B]​thanks a lot [B][URL="https://www.badcaps.net/member/277059-truclacicr"]truclacicr[/URL] !![/B]​thanks a lot [B][URL="https://www.badcaps.net/member/277059-truclacicr"]truclacicr[/URL] !![/B]​
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  • Help identifying component Wanscam Cam

    Hi powered with 12v and should be 5v smoked and this 3 leg component is shorted then removed and short is gonne but need help to replace alternative (to G8 ss6)

    thanks a lot!!


    product: 5v wanscam ip cam ws00036
    damage: connected to 12v and someked
    more damage seen at: audio procesor chip sgm4890 removed too....
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  • Help me make charger USB C cable with no cc pins!!

    Hi all, please

    I just want to make a "usb c" charging cable from 5V power supply (have cut cable w/ red black green and white pins connected from factory.... i just want to use 500mah max !

    How do I connect this ? if I do not have CC1 /2 physically wired, how to proceed?

    NOTE: an identical new (not cut) USB A to USB C cable charges my phone but not the remote control!

    here is a picture of the remote, the cable to be used and a picture of what are the factory connected pins

    thanks in advance!!

    [url=https://postimg.cc/TLBM1gxt][/url]...
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    Last edited by marce002; 11-17-2023, 09:20 AM.

  • Re: UT210e clamp revival eeprom

    fixed with another chip found around at 24c02N and also modified my ch34 to 3.3v pins 9 and the first as the diagram lying around.thks
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  • UT210e clamp revival eeprom

    Hi

    I was trying to flash the chip in the board with my ch341a programmer, wiring as documented by [url]https://www.youtube.com/watch?v=fX-Fhq9R4uY[/url]

    it did not read anything so desoldered the chip from the clamp and put into my programmer board and also not reading real data, it only brings emptyness...

    maybe i ruined the memory? turning the clamwith no chip shows Error and a beep wich is correct.


    put chip back to the clamp, and shows some random numbers like calibrating and offers a 0.000 DC display and nothing else can be...
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  • Re: Macbook PRO 2010 820 8250 hot and not loading OS completely

    surelly has something to do with motherboard increasing temp because every loop starting takes shorter to restart... becasue temp increases after a whole night off the laptop might be able to reach graphical part...for a few seconds
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  • Macbook PRO 2010 820 8250 hot and not loading OS completely

    Hi

    I have this mac from 2010 core i7 ..it powers on ok chimes then logo on screen but does not end up booting macos. does not fully load os and keeps restarting in a loop...i ve tried to boot ubuntu from usb with option pressed and works but does not finish loading either... the mother feels quite hot...
    no water damage .. suspect from gpu issues but this year is not clear how to diagnose...

    thanks for any clue

    PD I have already changed C9560, and booting high sierra USB to reinstall does not reach the end and freezes half way .
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    Last edited by marce002; 02-28-2023, 03:53 PM.

  • Re: Macbook A1425 820-3462 chimes ok backl ok no picture EFI?

    end of issue. was webcam / cable problem. disconnected and working
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  • Re: macbook pro A1425 emc 2557 bios request

    bad news... same thing again... but it allowed me yesterday full install of high sierra, after updates in the morning, all back to chime no image ...
    when it worked with macosit was very low opening launchpad for eg. (like the animation would be at 0.0003fps) but normal menues were fast.

    im with no clues for this case

    CHIMES OK
    BACKLIGHT OK
    NO IMAGE
    LOW BATTERY NDICATOR perfect (in case of it should appear)
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  • Re: macbook pro A1425 emc 2557 bios request

    Finally I think is working but not clear what was the issue!.
    I just entered with command +S , hear the chime then waited some seconds (seeing nothing at all as always) and typed reboot not even knowing that something would do... then i saw a folder blinking, then restarted again with option pressed and saw the options, now im installing high sierra on the previously disconnected ssd.
    So very sorry for this thread with unclear aspects, shame on me but thats what happened so far,,, thanks to all of you.
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  • Re: macbook pro A1425 emc 2557 bios request

    yes, i see no blinking usb (mouse) activity is zero... but it is 5.02v with usb meter.... i do not have chipmunk but i see that after the chime nothing else happens,
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  • Re: macbook pro A1425 emc 2557 bios request

    i will take apart the board again, and re check all those lines and place that missing cap again in the board.... thks
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  • Re: macbook pro A1425 emc 2557 bios request

    post 13 chimes ok, but no image at all... only backlight ...at least that sound is fine.. if i wouldnt have seen the low battery indicator in full screen, i would asume a bad screen but i know is a good macbook unit besides this EFI issue... if i had time enough i would try alternate efi like coreboot for example , but unless i find a redy to use BIN file I cant deal with compile and all that nightmare...
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  • Re: macbook pro A1425 emc 2557 bios request

    yes it says 3462-A... did not know was under that label thks for that. and im going to check traces and my wiring i know only a cap is missing at this time C6100 but the mother is wired and in place , since it is flashing ok and i can read the chip fine, and also is doing chime when i flash a semi good EFI and not chiming in yours or other ones i know that missing GND cap for the moment is not my issue (in diagram is the tiny one arroung the efi chip u6100)....
    this is like the chipset or mother would be locked after many attemps...
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    Last edited by marce002; 02-16-2023, 07:07 AM.

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  • Re: macbook pro A1425 emc 2557 bios request

    Nop, same thing but "no chime"... no logo only backlight... strange.. as soon as i turn it on
    with the new firmware, it modifies it, comparingboth with winmerge i can see a lot of different zones.... this is so locked that i do not know what to think or learn from this case.

    i attach the re read efi after power on the mac

    [ATTACH]289682[/ATTACH]...
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  • Re: macbook pro A1425 emc 2557 bios request

    Ok the macbook I own data:

    Model A1425 EMC2557 2012
    C02L21JYDR53

    The mother I have bought has the BIN that i have posted at beggining.

    The mother was bought from mercadolibre so do not have case. just did a swap
    motherboards because already explained that had a smc failure and i could not replace it.
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  • Re: macbook pro A1425 emc 2557 bios request

    with this bin it chimes but agin no image no boot options...

    thnks

    [ATTACH]289654[/ATTACH]...
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  • Re: macbook pro A1425 emc 2557 bios request

    thks a lot peste but did not seem to work. the screen is backlight on as expected, DID NOT hear a chime (will try edit and another serial) but nothing goes on, no drive option no folder blinking.... the screen as i have said is ok because when battery goes down it shows this:


    [ATTACH]289648[/ATTACH]


    note that with another firmware i can hear a chime at least... would you like me to post the BIN which let me hear the chime or what else can I try... really apreciate your help thks
    ...
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    Last edited by marce002; 02-15-2023, 11:56 AM.

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  • Re: macbook pro A1425 emc 2557 bios request

    yes in the last post is the file! and the serial is already on it . thks peste
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  • Re: Macbook A1425 820-3462 chimes ok backl ok no picture EFI?

    thanks to all,,,, this is really a nightmare... i have tried mon2 hdmi, smc and pram reset with no luck because this is not detecting chipset or not completing POST I think.... so no caps lock because no os loading at all... only chimes with my original bios and black screen. If I try the bios tham came with the motherboard not even chimes. Always backlight present. only difference is chime with my bios (the one that was on my burned smc board) and nothing with the bios that came with the mother I have bought. Remember...
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    Last edited by marce002; 02-15-2023, 06:42 AM.

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