See if I can help out .. thought this may be worth reading from a forum here
Quote from jrfrond :-
"In an effort to help here, I just checked every DDX3216 repair in our database. Overwhelmingly, the solution we took to the problem described here was the replacement of crystal Q3, 32.768kHz. Over and over, the problem reads the same: runs for awhile, then locks up, no control, etc. Sure, there are also the ubiquitous cap issues and poor soldering, but this fits the bill. Hey, it's worth a shot. You need to eliminate this common issue first. We stock these crystals. Mouser has them as well, part# 559-NC38-LF.
The crystal is made by Fox and their part# is NC38. You should be able to source it in the UK. It's a small watch crystal oscillator. Seriously, you NEED to eliminate this. I COULD be wrong, but according to our repair documentation, there's a good chance I may be right about this."
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