"_J D_" wrote in message
...
Hi,
The schematic says it an 500,000 ohms.
My digital meter reads it as this: 0.590 M
(M) for megohms.

I went to an resistor website that showed me this:
First Band: Green
Second Band: Black
Third Band: Yellow
Forth Band: None
Resistance: 500,000 ohms or 500.00 kilohoms or 0.50 Mohms
Tolerance: ± 20%
Resistance Range with Error: 400,000 ohms - 600,000 ohms

So, it safe to say the resistor is good & that my meter is reading it as
the above 0.50 Mohms? Cause when I check a 20,000 ohm I get this on the
meter: 20.71K & I understand that, but the 0.590M I'm not certain.

Sorry, need to be sure. Thanks.

One of the things I was taught at my training classes when I joined the RAF
( many years ago !) was that carbon resistors will drift higher as they age.
I just checked several old 500k resistors in my box and found the closest to
be 508.4k, one was 610k. Generally I find that if resistors in a circuit
are within 10% of the specified value then all is well. I figure the most
critical is in oscillator and frequency control circuits, but usually there
are variable trimming capacitors to compensate.