Globe Scout Deluxe

[Robert Groh]

I agree totally - the 22 ohm resistor is just a form - handy way to make a physical form and very low cost!




________________________________
From: Wilson Lamb <infomet at EMBARQMAIL.COM>
To: BOATANCHORS at LISTS.TEMPE.GOV
Sent: Friday, January 23, 2009 1:31:24 PM
Subject: Re: [BOATANCHORS-TEMPE] Globe Scout Deluxe

The 22 Ohm resistor is just a form to hold the wire, which is the actual shunt (bet you knew this).  I'm thinking bad switch contact or broken wire, because if the shunt were open the meter would go wildly offscale and probably fry, since it's likely a 1mA movement.  And I don't see how the shunt could be shorted, unless it's at the meter switch, where the wires are soldered to the contacts.
WL
----- Original Message ----- From: "Robert Groh" <rgroh at SWBELL.NET>
To: <BOATANCHORS at LISTS.TEMPE.GOV>
Sent: Friday, January 23, 2009 1:40 PM
Subject: Re: Globe Scout Deluxe


> Just so happens I have my Scout 680A on the work bench being re-habbed. My schematic shows the pertinent resistors as R7 (470 ohms, 10W) and R6 (0.3 ohms on my schematic). R7 runs from pin 6 of the 6146 (cathode) to a terminal strip (2 terminal).  R7 is a 'big' square 10W resistor so easy to spot and runs more or less parallel to the front panel. Then from the terminal,, there is a wire (which probably runs off to the plate/grid current switch) and a 1W (Red-red-black or 22 ohms if I remember my color code right) carbon resistor with a tinsy piece of wire sprial wound around it (the wire must be the 0.3 ohm part).  This combo runs (more or less) toward a terminal strip along the rear.  Should be easy to find.  I can take a picture with the digital camera and send it on if you need.
> 
> 73
> Bob, WA2CKY
> 
> 
> 
> 
> ________________________________
> From: Alan W. Fremmer <AWFremmer at AOL.COM>
> To: BOATANCHORS at LISTS.TEMPE.GOV
> Sent: Friday, January 23, 2009 12:16:36 PM
> Subject: [BOATANCHORS-TEMPE] Globe Scout Deluxe
> 
> Fellow Restorers/Collectors,
> 
> I could use some help with the above mentioned transmitter.  I've actually
> restored it to the point where it's putting out good power on CW and  AM. The
> audio sounds good and everything seems to be working well except  for one
> thing.  The meter doesn't read plate current.  It reads grid  current all right.
> It won't read plate current even when the meter leads  are connected to an
> external meter.  There is a meter shunt, R-15, 0.24  ohms which I can find on the
> schematic but don't know what I'm looking for  under the chassis.  I suspect
> that may be where the problem lies.  If  anyone can point me in the right
> direction it would be most appreciated.
> 
> Thanks in advance for all your help, past and present.
> 
> 73, Alan - KB2HEI
> 
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