[Heathkit] SB-614 trace problem again

[Paul Kraemer]

Check the balance pots on the circuit board, the little blue ones.
I have seen too many problems with these and generally replace with new 
(from Mouser) before starting on a 614
Paul K0UYA
----- Original Message ----- 
From: "Alexander N. Gerli" <ac1wye at gmail.com>
To: <heathkit at mailman.qth.net>; <heath at puck.nether.net>
Sent: Thursday, July 25, 2013 10:10 AM
Subject: [Heathkit] SB-614 trace problem again


> Hi, folks,
>
> Further to my earlier post: I've replaced C108 and C114, the two
> electrolytics in the horizontal gain and position chain. Now, I can 
> produce
> a straight diagonal trace as per the Adjustments section in the Manual.
> Problem is that the horizontal position is incorrect. If I go back to a
> spot only (both H and V gain minimum), I can move the spot  horizontally
> only about 25% across the screen from the left side at max. Vertical
> position works just fine, all the way up as well as down.
>
> Can someone the List please give me an idea which component might be at
> fault? I doubt it's one of the driver/amp transistors because if any of
> them were defective, I'd get no trace at all, correct?
>
> -- 
> 73
> ,
>
> Sandy AC1Y
>
>
> Alexander N. Gerli, Sr.
> 548 Allred Mill Road
> Mount Airy, NC 27030-2202
>
> Scotsmen walk about 900 miles each year.
> A Scotsman drinks around 45 gallons of Whisky a year.
> Scotsmen get about 20 Miles Per Gallon.
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