Re: Voltage measurements 38S

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From: Al Hunter (ahunter@inland.net)
Date: Tue Mar 11 1997 - 09:25:45 EST


At 04:02 AM 3/11/97 GMT, you wrote:
>On Fri, 7 Mar 1997 01:14:55 -0500, "duane" <duane@flinet.com> wrote:
>
>>I downloaded the Voltage measurements posted by Paul NA5N regarding the
>>38S. I find 7.8 volts on pins 12 & 13 of U-2 on receive. the voltage paul
>>posted for these pin location is 5.6v 1 volt less than pins 9 & 10
>>(6.6v) . instead of my voltage going down 1 volt it went up 1.2 for a
>>grand total of 2.2 volts too high. any ideas guys as to why my voltage is
>>too high and going the wrong way. I also have 7.8 volts on pin 1 of U-4
>>hc240 it should be 5.6 HELP !! well I hope all this has to do with the
>>receiver because it seems to TX fine the ears are poor for now. probly has
>>something to do with those voltages uh.
>
>Did this question ever get an answer? I had similar problems before
>mine blew up ...
>
>Is it a resonance problem with T1?
>
I have similar voltage readings, but everything seems to be working OK.
Sure would like to see an answer posted.

Al


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