question on the "nomenclature"

[rubberear]

I'm trying to figure out how to interpret my resistor naming. There are two names for the R-17, R-18 and R-19 - either with a "-1" or "-2" tacked on. How do I know which one to use? The "-1" is a 390K. - thanks much. IMG_2329.jpg

[tuo]

Actually, you'll need to use both. If you take a look on the line below the middle circle, it will explain this; to get the R17 and R18 to 423K you'll need to series connect one 390K and one 33K resistor. And to get the R19 to 392K, connect one 390K and one 2,2K resistor in series. Take a look at this: http://www.41hz.com/forums/showthrea...9755#post19755

[rubberear]

Ohhh....thats right! - I remember that funky looking pic! - Thanks so much!