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What are these?
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deandadnaed:
Hi! I’m trying to find the tracks within a PCB. But I’ve got no idea what are these components.


Does anybody know what are they?



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OwO:
Potentiometer.
Brumby:
Trim pots to be more precise.

They are adjusted by a small flat blade screwdriver via the slot in the middle.

From the numbers on them, the resistance of each are:
 103 = 10K ohm
 202 = 2K ohm
 503 = 50K ohm


Edit:
They are placed in circuits that need to be adjusted when they are first built and tested.  Once adjusted, they should not need any further tweaking in normal service.  Translation: Don't fiddle with them unless you know what you are doing and why.
Jwillis:
Like Brumby says. But in addition  The first 2 numbers times the multiplier.  0 = 1 , 1=10 ,2=100,3=1000,4=10000 ,5 =100000. So the top left is 10 times 1000 or 10000 ohms or 10K Ohms.The top right is 20 X 100 or 2KOhms and so on
deandadnaed:
Thank you very much!


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