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Old December 28th 07, 05:08 AM posted to alt.binaries.pictures.radio
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First recorded activity by RadioBanter: Jul 2007
Posts: 41
Default Westinghouse H-104 power supply

""to common B-" is fine if thats what you are tying to on a return side, but
"to chassis" is the correct term in the case we were dealing with here.

I just want to break the habit many servicers have of saying "to GROUND" as
its definitely NOT "GROUND" unless you bond the chassis to ground...and, 90%
of the time its just not... and a goodly portion of the sets being restored
are indeed what can be called "hot chassis" or AC-DC sets... which, unless
converted to have a polarized plug with ground can not be referred to ever
as being grounded.

Mark Oppat

"Jim Mueller" wrote in message
...
How about COMMON? This would take care of the AC/DC sets with a floating
"ground", any set using the chassis as the power return connection, sets
with back bias, sets with printed circuit boards and no chassis, and
battery portables with nothing like an earth ground connection.
--
Jim Mueller

To get my real email address, replace wrongname with eportiz. Then
replace nospam with sacbeemail.

"John Byrns" wrote in message
...
In article ,
"Mark Oppat" wrote:


snip


Carter,
lets get in the habit of saying "to CHASSIS" rather than "to GROUND". I
mentioned this before in this group... its really the correct term to be
using,


"CHASSIS" sounds good for AC sets like the one being discussed here.

especially since sometimes we are working on "hot chassis" sets too.


How many "hot chassis" sets actually have a hot chassis? "GROUND" seems
more correct for "AC/DC" sets where the power line neutral is not
connected to the chassis, in the case of "AC/DC" sets "NEUTRAL" would
seem to be most accurate, except for those sets using full wave voltage
doublers, which calls for yet another word.


Regards,

John Byrns

--
Surf my web pages at,
http://fmamradios.com/






 
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