Mark,
If you had infinite readings on those that you marked 'XX', then they
too are OK.
Note the '>' symbol before the number - it means 'greater than', and
infinity is greater than 100k ohms.
The readings listed have to cover all meters and circumstances. An
ohmmeter on a high resistance scale may respond to just your fingers
across the probes, so it would be counterproductive to write a reading
of 'infinity' in the manual - while '>100k' will cover most all meter
situations while still revealing a short somewhere.
73,
Don W3FPR
Mark Lampert (KB3OKS) wrote:
I've just finished constructing my K1-4 filter board, and I'm failing
three of the resistance checks which are all reading infinite
resistance on my DMM:
OK -- P1 pin 1, P1 pin 2
XX -- P1 pin 3, P1 pin 4
OK -- P2 pin 2, P2 pin 4
XX -- P3 pin 1, P3 pin 3
XX -- P3 pin 8, P3 pin 6
... all others are OK, including all tests across U1. Meter looks ok
and is reading 0.1 Ohms when probes are touched together.
Thanks very much for your time,
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