Re: TECH: Tektronix 7633 frame and accs....
From: Jim Yanik (jyanik_at_abuse.gov)
Date: 07/13/04
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Date: Tue, 13 Jul 2004 13:45:38 +0000 (UTC)
"Mark (UK)" <jumbos.bazzar@btopenworld.com> wrote in
news:ccvr5b$jn6$1@sparta.btinternet.com:
> Hi!
>
> Thanks for that reply, I didn't expect supersharpness, but for the age
> of it, it's very good.
>
> The PCBs inside the frame have (c)1973 on them - would that be the
> year it was designed or the year it was made?
>
> It looks like everything is original, as it all matches for stickers
> inside the plugins.
>
> Yours, Mark.
>
> Jim Yanik wrote:
>> BTW,you can tell the approximate age of your scope by checking date
>> codes on various items;the format is for example;4380,would be week
>> 43,year 1980.Don't just read one IC and figure that's it,look at some
>> big items like the power transformer,etc.If you get one PCB with date
>> codes not consistent with the other PCBs and power xfmr,then boards
>> have been swapped/replaced.
>>
>
>
Look for date codes on components,not the PCB date,that's the date the PCB
was designed,IIRC.
-- Jim Yanik jyanik-at-kua.net
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