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118 Start Up Question
jerryhawthorne
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#1

05-03-2013, 05:44 PM
All recapped and off resistors changed (hopefully correct). Came up nice with just a little static. Started checking things by moving a short antenna around a got my SSTrans fairly loud with a short antenna on the grid cap of the 78 first IF! Nothing with the antenna anywhere in front of this. Strange.
Started injecting an RF signal at the antenna input, nada. Hooked about 6 feet of wire back on the above 78 grid cap and voila signal generator tracked the dial across the BC band nicely from the antenna input.
It would seem that due to the above that the RF amp and first detector are working properly. Any ideas? Needing a short "antenna" on the grid of the 1st IF has me thrown for a loop.

http://www.nostalgiaair.org/PagesByModel...013125.pdf

Jerry
A friend in need is a pest!  Bill Slee ca 1970.
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Messages In This Thread
118 Start Up Question - by jerryhawthorne - 05-03-2013, 05:44 PM
RE: 118 Start Up Question - by morzh - 05-03-2013, 06:46 PM
RE: 118 Start Up Question - by 7estatdef - 05-03-2013, 06:48 PM
RE: 118 Start Up Question - by BrendaAnnD - 05-03-2013, 08:09 PM
RE: 118 Start Up Question - by jerryhawthorne - 05-03-2013, 10:05 PM
RE: 118 Start Up Question - by jerryhawthorne - 05-09-2013, 07:40 PM
RE: 118 Start Up Question - by morzh - 05-09-2013, 07:58 PM



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