On Tue, 22 Dec 1998 22:49:43 -0330 "Gus VO1MP" <gussam@newcomm.net>
writes:
>
>VO1MP Gus Samuelson
>St. Phillips Newfoundland
>
>
>> >Well after what turned out to be a successful repair
>> >I notice that my TL-922 has now developed an intermittent
>> >IP reading of about 100 mils while idling in the 2000V position
>> >and about 1.5 mils in the 3000 V position .
>> >Out put is not affected and for the first time in along while
>> >the amp with a pair of brand new Eimacs is delivering full power.
>> >If I get an opportunity over the Christmas break I will take the
>> >covers off again.
>> >Any suggestions where I should look first problems ?
>> >
>> Is the 922 completely stock?
>> - thanks
>>
>>
>> Rich...
>>
>> R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
>
>
>Yep Rich .... only mod here is the 10 meter
>that I did in November 1988 according to my Manual.
>
>In any event the manual says I SHOULD SEE
>150ma IP when in LP operate mode or sty mode and
>200ma IP in HP mode.
>I think now that the thing is operating properly for the first time
>and I'm not accustomed to seeing it that way ?? !!
>Still would like to know why the IP meter occasionally
>does not have any reading in idle or standby mode as
>suggested by the manual ?
>Oh well if it ain't broke mebbe I shouldn't fix it.
>
>73 Gus
Gus, stock condx is often best when trying to troubleshoot. The 922
schematic is accurate. The worse nightmare is trying to decipher add-on
changes that are not documented.
>From your latest description I would tend to concentrate in the bias
supply area.
Sorry couldnt answer earlier, some of us work for a living!
73 Carl KM1H
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