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JVC TT-101 Won't Stop

The Stop button on my recently purchased QL-10 doesn't work. It worked at first after the TT warmed up, but then quit completely. I since have replaced all 37 electrolytic caps on 3 boards, but it made no difference. The power voltages are correct. The button itself is fine and shorts pins 6 and 9 of the P8 connector on the main board, but the motor doesn't stop. What could be wrong? Any particular transistor or adjustment? Please help! -Alex
safesphere
gibsonian
71 posts
 
Obviously circuit design and conductor geometry would have to be considered. 
best-groove's avatar
best-groove
831 posts
 
conductor geometry
it would be sufficient to replicate the awg of the internal cables, I see no difficulty because they do not have shielding.

As regards the pcb I see that lately an ebayer sells the originals for Technics sp 10MK2 at prices between 350/450 €
Those who could replicate these or those of the TT-101 could do a good business by selling them at less cost.
gibsonian
71 posts
 
With a group buy I am sure we could get them for less than $50 each.  We would need someone to create the Gerber files for quote.
best-groove's avatar
best-groove
831 posts
 
 @gibsoniana

great who knows how to do it, unfortunately it's not my job.
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