Speed Adjustment on a 1978 JVC KD-55

DRG6901

New Member
Hello,
I have a JVC running at too fast of a playback speed. I can play a song on my phone and delay the playback on the deck by 5 seconds and within 15-30 seconds it will surpass the mp3 playback. I was wondering if anyone knows which potentiometer controls the motor speed. I will post pictures of the board and motor below. Any help will be greatly appreciated. I have found a manual for a JVC KD-A55 but it was not helpful as it seems to have a different motor. I can buy the repair manual for almost $40 on eBay but that is almost as much as the machine is worth. If anyone can help or send a repair manual PDF that would be great.

Thanks!IMG_2312.JPG IMG_2313.JPG IMG_2314.JPG IMG_2315.JPG IMG_2316.JPG IMG_2317.JPG
Dan
 
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