Read Harman Kardon FL 8350 (serv.man12) Technical Bulletin online
FL
8350
Page 4.
Mount the 2 pcs. Of 1N4148 diodes as showed.
Carrousel motor legs.
Mount the cap. 10uF from ground to middle leg of the FET.
Mount the resistor 220k ohm from ground to middle leg of the FET.
Ground.
Mount the PCB again, and test it.
Now the diode D3 is only transmitting when the carrousel turns
Now the diode D3 is only transmitting when the carrousel turns
Cathode