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DVD Optical Pick-Up POT ID

Hi all.

I have tried to find a datasheet on this DVD Optical Pick-Up, a Sanyo SF-HD62, and cannot locate one. I can find some adjustment information from a few videos, however, none of them are providing the info I need.

I am trying to identify which of the POTs is for the CD and which one is for the DVD. I have them both circled in red. Additionally, if anyone has the most likely starting resistance value for each of them, that would help as well.

Thanks in advance for your reply...if any.
 

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