Damaged pot.

[Robert Smallwood]

Hi.

I wired a 250K pot as volume for a tele like build.

It works only from 12 o'clock (full on) to 9 o'clock (3/4 on).

I'm a hamfisted solderer. Does this sound like I've damaged the pot?

If not please suggest othyer possible causes.

Thanks,
Rob.

[Greg Robinson]

Hi Robert,
Not necessarily, if you've wired it incorrectly you could get these symptoms. Could you post a drawing or photo of what you've done?

[Rodger Knox]

It could also be the wrong type of pot, linear taper instead of audio taper.

[Robert Smallwood]

I think it was a dodgy treble bleed ... which I removed because , well, it's a tele type build.

Also I came across a bunch of ceramic caps labelled 203 & 503 I am guessing they're .022 & .047 uF respectively...can anyone confirm this please? or how do I tell if possible using a multi metre?

Regards,
Rob.

[Greg Robinson]

Hi Robert,

Glad you got it sorted.
Here's a good link for reading capacitor codes. So the values you have are 20nF/0.020uF and 50nF/0.050uF.
You are only able to measure the capacitor values with your multimeter if it has a capacitance range - this would be marked with a capacitor symbol.