With trimmers located as above with that board orientation I would normally recommend 'side adjust' trimmers. However, because the trimmers are so close to the top of the board (as shown) 'top adjust' is a very good alternative. And in any case the bulky 680Ω resistor would make mounting the 'side adjust' type a bit tricky to say the least.
Part numbers
1KΩ
https://www.mouser.co.uk/ProductDetail/Bourns/PV36W102C01B00?qs=sGAEpiMZZMtC25l1F4XBUwwHGCAL9uALwNHx7eF71Dw=
Despite the Mouser catalogue picture^^ this gives the 'triangle' lead footprint that matches the originals closely.
100KΩ
https://www.mouser.co.uk/ProductDetail/Bourns/3296Y-1-104LF?qs=sGAEpiMZZMvygUB3GLcD7n4W/LGLppVQD4bvS27Tc9I=
(Note: These are the trimmer values and part numbers are for the original driver board (is the trimmer positioning the same?) - I don't have the information for the newer driver board - If they are different just give me the values and I'll find you the part numbers.
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