Need help with potentiometer replacement

Hi @ayan_4u ,

Presumably you measured the old pot (out of circuit) to know that it was a 2 x 100K pot, is this correct or was it printed somewhere on the pot itself (a part number perhaps, I couldn’t see one on it but not all angles were shown)?

I can't find the datasheet for the dual pot but perhaps if you place your Ohmmeter across pins 1 & 3 and 4 & 6 of the old pot (out of circuit i.e. remove it from the board) hopefully you should read 100K Ohms for each. Count from left to right as viewed in image #1 that you posted. If not what was the measurement as you may have got the wrong one?

Then if you place the meter across pins 1 & 2 and then 4 & 5 the resistance should alter as you wind the pot from minimum to maximum. If the old pot was noisy then the readings may jump all over as there is a high resistance connection between the wiper arm of the pot and the resistance track that it is moving across

If this is the case, try the same with the replacement pot and check if it measures the same, except for the faulty wiper connection creating measurement problems of course.

If so you can just mount it the same way as the old one.

This is assuming that they are wired as most usually are but it’s just what I would try anyway.