If you add the extra cap to the back of the 238 tuner, it is added to position
3, 4, and 5 --- not just 5. I found this out while doing a repair. The
schematic seems to indicate this, but the verbiage in the manual implies it is
only added to position 5.
I don’t know if this true of later versions (e.g. 238A), but I confirmed it on
two original 238’s.
This means if you decide to just leave the cap there under normal usage, you
are missing a large chunk of capacitor range between the end of 1-2, and 3-5
plus the cap.
b
Bill ACITO | W1PA
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