John King <[EMAIL PROTECTED]> made an utterance to the drakelist gang
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Garey, I probably need to purchase your CDs Hi! Hi!. I
have a good working T4XC and R4C, a great working R4
now and a sick TR3, sick Tr4 and sick T4X. I wish
Drake had left the transistors out. I really don't
know how to check those circuits.
My TR3 was working this morning and the audio became
very distorted and eventually two resistors opened up.
Can't read the color code on them.
They are 1/2 watt resistors and one goes frontop end
of the small sub-chassis board to one end of the Zero
pot. On the schematic, I see what appears to be a 200
or 220 ohm resitor going to one of the pot. Not sure
if that is it.
The second resistor bridges between two of the
vertical sub-chassis boards. One board is standing
beside V 19 and the other is standing by V 18. The
burned resistor goes from the top corner of each
board. One end has a 100K resistor where it attaches
to the board and the other end ataches to the other
board where a 5.8K resistor is attached.
I am not sure what would smoke these two 1/2 watt
resistors but while I was away from the shack , at
breakfast, a "queer electron" must have gotten loose.
If you need additional information please let me know.
Thanks for your kind reply. 73, John, K5PGW
--- Garey Barrell <[EMAIL PROTECTED]> wrote:
>
> Garey Barrell <[EMAIL PROTECTED]> made an
> utterance to the drakelist gang
>
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> John -
>
> I have most of one right here. Whatcha need?
>
> 73, Garey - K4OAH
> Glen Allen, VA
>
> Drake 2-B, 4-B, C-Line & TR-4/C Service Supplement
> CDs
> <www.k4oah.com>
>
>
>
> John King wrote:
> > John King <[EMAIL PROTECTED]> made an utterance to
> the drakelist gang
> >
>
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> > Anyone with a Drake TR3 out of the case so you can
> > look under the chassis? If so please email me
> > directly. Thanks and 73, John, K5PGW
> >
> >
> >
>
>
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