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I need a bit of help re-threading my tuner.

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Posted on September 28, 2016 at 18:45:19
sherod
Audiophile

Posts: 4814
Location: Texas
Joined: August 3, 2003
I recently completed a refurbishing of my Sansui TU-717. The final board, F-2680, behind the dial, required a little maneuvering and after completing the board the tuner thread unraveled on me. I looked at the schematic and on the last page of the service manual, there is a large diagram on how to re-thread the tuner. I understand the route and steps 1-10 in doing this, but it is getting started I am stuck at. It says to open the capacitor all of the way before starting. Is open where the dial is at 108mhz? And when starting at step one, I see that the thread goes to the right into a notch on the side and then proceeds to step 2 beginning the thread feed to the first spool on the 88mhz end. Can someone give me a little guidance? Thanks.

 

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I had a few suggestions from the FM tuner group..., posted on September 30, 2016 at 18:18:28
sherod
Audiophile

Posts: 4814
Location: Texas
Joined: August 3, 2003
I think I might can do this.

 

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