Hi guys.

Have these chips on Orange Pi 5, but can’t find them neither in the schematic (https://drive.google.com/file/d/1Wsp-Q7IyG0Ky_W-z1n5oXcFG4oqIbtOb/view) nor by the chip markings.

Those are tiny bga chips marked as D25DH 6QR73 or D3FEH 68S53.

They are located under the CPU, so must be related.

I also noticed that these same chips on the same model of Orange Pi have different markings but in a similar fashion.

Thanks a lot - as always.

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Something new on the bench - Raspberry Pi 400. This one had a broken micro SD card latch, so I had to replace the slot with a brand new one. Luckily I bought a few for a Jetson Nano back in a day and they are exactly the same ✅.

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I was so excited today when I found a like-new, unused (or barely used) GAF 3100S Super 8mm projector at a thrift store for $12.99. I've had a bunch of home-recorded Super 8 reels lying around and haven't been able to watch or digitize them properly. Well, it went very well for about five seconds. It started taking in film... but there was suddenly the smell of burning, a small pop, followed by a bit of worse-smelling smoke. I've done minor electronics repair in the past... but I'm afraid something like this is likely beyond my current abilities/tools. Anyone know of someone who repairs 1970s Super 8 projectors? (Brief research seems to indicate that this is a nice projector to have, so maybe worth getting repaired?)

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