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In Reply to: RE: Turntable signal drop out posted by George S. Roland on November 19, 2021 at 07:41:17
One of the spring loaded pins in my 3012 Improved that makes contact with the head shell pins sticks in the in position when the head shell is removed and when the head shell is reinserted the connection on that channel doesn't always work. I don't know for sure but I'm thinking that different manufacturer head shells may have slightly different pin lengths and if shorter, that could make the situation worse if the pin is stuck in the in position.
Follow Ups:
Thanks. This was certainly one potential cause I considered but I wasn't sure how to address it. Have you found a way to pull those pins out so they make good contact?
If I remember correctly I thought the problem might require a tonearm rewire with a new set of spring loaded pins so I just went for the risky and pulled on it with a slender nose pair of needle nose pliers.
The initial problem was that pushing the pin didn't free it up but since being pulled out, if it sticks again it will snap back out when pushed with a Qtip. Probably just got lucky with that.
With a good narrow beam of light shining into the area it was obvious that one pin was not out as far as the other three.
I also went in with Qtips and Deoxit to clean all the pin ends in the arm and the pins on the back of the head shell.
If all the pins look to be out the same distance I wouldn't try what I did with the needle nose but cleaning shouldn't hurt.
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