68kMLA Classic Interface

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No video on Power Macintosh 5500 / 27
Posted by: Tonata on 2024-02-12 05:21:10
Hi,

I have a problem with a Power Macintosh 5500 / 275. Nothing shows on the screen. It does the start-up chime and it might actually be working, but the screen is probably dead. There is no hard drive and no battery.
Here is a video: https://drive.google.com/file/d/1IehrCvXrmGXTi7n_CE2Xsq88J26H_Om0/view?usp=sharing
The Macintosh does some weird noises. I changed a bad capacitor on the power supply, but it did not help much I think. The CD-ROM does not open when pressing the eject button.
And 2 photos of the CRT card. There is a hole from physical damage:
IMG_20231118_002504.jpg
IMG_20231118_003129.jpg
I am open to ideas.
Posted by: Nixontheknight on 2024-02-12 07:09:10
I'm not entirely sure, but it looks like there was a trace going between the two pads where the break is now, try figuring out how to make the connection back
Posted by: marcelv on 2024-02-12 08:42:15
looks like someone replaced the flyback with a different type which does not need the connection which has been removed
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