[Test-Equipment] TV-7 Issues

[eric lemmon]

Beats me.  All four of the TMs on the LOGSA site omit any mention of a
TV-7C/U model.

73, Eric Lemmon WB6FLY



-----Original Message-----
From: test-equipment-bounces at mailman.qth.net
[mailto:test-equipment-bounces at mailman.qth.net] On Behalf Of Carl
Sent: Saturday, July 13, 2013 10:43 AM
To: Discussion of Electronic Test Equipment
Subject: Re: [Test-Equipment] TV-7 Issues

What happened to the C/U ? (-;
Naturally, that is the one I have so had to comment....

Carl



> It depends upon which specific version of tube tester you have.  Are 
> you inquiring about the TV-7/U tester, or the TV-7A/U, TV-7B/U, or the 
> TV-7D/U?
> There are differences in the screen circuitry among them.
>
> If you haven't already done so, you can download the TM 11-6625-274-35 
> manual, along with the three other TV-7 series manuals at the LOGSA site.
> Go here and search for "11-6625-274-"
>
> <https://www.logsa.army.mil/etms/index.cfm?fuseaction=viewsearchform&C
> FID=14 
> 35142&CFTOKEN=367df3016affc2b3-B53B48E3-DA0B-79EC-3C0262D4A8DFA81D>
>
> 73, Eric Lemmon WB6FLY
>
>
> ----- Original Message -----
> From: "k2cby" <k2cby at optonline.net>
> To: <test-equipment at mailman.qth.net>
> Sent: Friday, July 12, 2013 9:57 AM
> Subject: [Test-Equipment] TV-7 Issues
>
>
>>I would like to correspond off-list with a TV-7 maven.
>>
>> Specifically, does anybody know why the R129 - R130 network was 
>> designed
> so that the screen voltage goes up whenever the control grid voltage 
> goes down
>> (becomes less negative) rather than making one independent of the other?
>>
>