Quote:
Originally Posted by zeno
When I started with him he told me within a few days " touch an
IF coil & you WILL be fired !".
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One of my all time "lows" was having to admit to my old man that I had tweaked a 19Khz coil in a Sears console stereo in an attempt to center the tuning meter. I got it so far off, it needed realignment. Thankfully, another shop had the cool Leader FM multiplex generator and we got the thing spot on a day later. Lesson learned, and I never touched another IF or MPX can in a consumer product, ever, except for the RCA quad coils (little square-holed slug) in the Colortrak days, and the occasional APC alignment.
In the military, we aligned IF strips and pre-selectors all the time, as a catapult shot would knock stuff wonky, or the vibration in a helo would wreak havoc in a mechanically tuned radio. We couldn't seal them in place with wax, paint or Loctite - just had to live with it. My Setchell Carlson 21" b/w schoolroom set has a label indicating the IF module is sealed - with wax - to prevent misalignment during shipment. Go figure.....