Repairing a CD player DENON DCD-625

The way to diagnose and repair a mid'90-s CD player.
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Originally the video was about an hour long, but this shorter form is much better, right? Please let me know if someone like to see the 1 hour version)))

[@arturovillalpando289]

Hi, no Sund? Check the outputs direct on the DAC with your oscilloscope. You know, no signal on it, DAC chip overheats? Change the chip. You already verified voltages. If so, track the signal to the opamp and the coupling capacitors. Good luck!! Tschüs!!

[@sirrosh69]

Thanks, you may also see the rest of the video)))

[@arturovillalpando289]

⁠@@sirrosh69Thank you, I did watch the entire video. Sorry if I disrespected, was not my intention, just wanted to help. Adios.

[@sirrosh69]

@@arturovillalpando289 Not at all, because many start to comment while watching, not knowing that the issue has been found by the end)))

[@marcoam2610]

Awesome video, thx! Question my DCD-695 (same drive) skips (jumps) during playback but only at the very beginning of a CD. What would you do there, what is the reason for it?

[@sirrosh69]

Hi, thanks. I would check the self-calibration fugures, if they are within specs. Pickup defects aside, it may also be the dirty or badly oiled screw rod, that does not allow the pickup head to move to the terminal position. Hard to tell without seeing.

[@marcoam2610]

@@sirrosh69Imagine, Just cleaning the lens with a cotton swap with a tiny bit of isopropanol + some maintenance of all sliding surfaces fixed the problem! It now plays right from 00:01 without interruption 🙂

[@sirrosh69]

@@marcoam2610 Great! One more functioning piece of equipment.