[Elecraft] Thermistor board

Don Wilhelm w3fpr at earthlink.net
Tue Feb 6 18:07:15 EST 2007


Dave,

If you look at the back of the thermistor board, there is one place where 3
resistors come together just above pins 4 and 5, those are connected
together.  OTOH, a bit toward the right of that point you will see two
resistors with the ends pointing at each other and the PC traces are quite
close together - those should NOT be connected, it is easy to create a
solder bridge at that point.  If you want a resistance check, read the value
between pins 5 and 6 - if it is zero, you have the solder bridge.

73,
Don W3FPR

> -----Original Message-----
>
> Yea, it is a mess.  I have one bridge, but I think that is where they
> come together anyway (the tail end of three of the resistors right next
> to the connector) because I can't get it cleared up.  If I have problems
> that are on that circuit, it will be the first place I look.
>
> David Wilburn
> dave.wilburn at verizon.net
>
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