From: "Al Parker" 
Subject: Re: [drakelist] TR-4C


Hi Robert,
    I don't want to sound negative, but -- if you could tell us where on the
schematic, eg. grid of tube xx, etc, it would sure help us (me at least) in
helping you.  By the time the TR-4C schematic got done, R & C nrs aren't
always consectutive in any one area, e.g. R-161 is connected to R-73, etc.
And the shematics aren't in reader friendly type size.  I take my glasses
off to read the nrs, & have to put them back on to read your letter to re-ck
if I have the nrs right.
73,
Al, W8UT
New Bern, NC
BoatAnchors appreciated here
http://www.thecompendium.net/radio/
http://www.hammarlund.info

----- Original Message -----
From: "Robert Lawson" 
To: 
Sent: Wednesday, July 30, 2003 12:42 PM
Subject: [drakelist] TR-4C


>
> Hi Fellows,
>
> I need a big favor by way of good advice.  This is my first piece of
> Drake gear.
>
> Fired up (seems literally now that I think about it) my TR-4C this
> morning and smoked (burned in half)  resistors R168 100 ohm,  R71 220
> ohm,  R122 1.5k ohm,  R26 1.5k ohm,  R45  2 ohm,  and a 47 something 1/2
> watter bridging the two identical  1" by 1.5" sized
vertically standing
> phenolic boards adjacent to the VOX gain pot.   Seems the white/orange
> wire is common to most resistors.  Yesterday the rig was working well.
>
> Any  ideas on why the resistors were ruined?  Bad electrolytic (shorting
> to ground) in the rig downstream?
>
> Note my manual (original) does not have a parts list.
>
> Again,  sincere thanks for any help.
>
> 73 Robert
>
> Boat anchor idiom:  Black smoke and out of this world burnt smells
> travel at the same speed in the shack. HI
>
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