Marconelly's latest activity

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    Marconelly replied to the thread Mac LC 575 Analog Board Recap Guide Photos.
    Yes, I see that one 1000uF cap on your board faces the other way. Just put the new one the same way the original one was facing, and...
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    Marconelly replied to the thread Color Classic VGA Woes.
    No, I don't have the camera, but I do have an IR thermometer with the laser pointer. I haven't really measured the temperatures, just...
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    Marconelly replied to the thread Color Classic VGA Woes.
    I have not replaced any of the diodes or resistors. They all look fine visually and no burn marks around any of them. Only component...
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    Marconelly replied to the thread Color Classic VGA Woes.
    Another interesting find I just had. Now that I've got this board stable (mostly - it still seems to sometimes power off after hours of...
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    Marconelly replied to the thread Color Classic VGA Woes.
    Not sure if I'm using the right term, but what I mean by sub-brightness is the brightness of a pure black color. Ideally, that should be...
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    Marconelly posted the thread Mac LC 575 Analog Board Recap Guide Photos in Macintosh LC & Performa.
    I needed to recap my LC 575 analog board, and couldn't find a guide for it, so I decided to make one, similar looking to what Branchus...
    • LC575_AB_Values.jpg
    • LC575_AB_Blank.jpg
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    Marconelly replied to the thread Color Classic VGA Woes.
    Looks like the last piece of the puzzle to get this board fully operational was to increase the picture adjustment R/G/B pots at the...
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    Marconelly replied to the thread SE/30 with abnormal screen.
    Before you do anything else, I'd say just clean all the IC pins with alcohol, using a soft toothbrush. You can do that fairly quickly...
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    Marconelly replied to the thread Color Classic VGA Woes.
    That's where it is, yes. I have found that it leads to J23 jumper lead on the upper side, and measured between there and the metal cage...
    • J23.jpg
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    Marconelly replied to the thread SE/30 with abnormal screen.
    If the capacitors or the battery on the logic board have leaked, make sure to check if any traces need repairing. Make sure to also...
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    Marconelly replied to the thread iMac G3 speaker replacement success.
    I've ordered these, so I'll see how it goes. They were just $5, so I don't mind even if they end up not working...
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    Marconelly replied to the thread Color Classic VGA Woes.
    I found out where TP1 is and what it's connected to, so I can measure it from the top of the board. I'm assuming I would measure between...
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    Marconelly replied to the thread iMac G3 speaker replacement success.
    Looks like these speakers are no longer available on Aliexpress. @mac27 do you have any other suggestion of what to buy? Someone on...
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    Marconelly replied to the thread Color Classic VGA Woes.
    Right now, I've adjusted the PP7 pot, and managed to get the low voltage to be 4.998 / 5.004 V and 11.8. Up from 4.8V / 11.5V - I can...
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