Please view the attachment for problems with sound distortion/speed variation/sensor adjustment of the Technics SL-DZ1200 professional DJ turntable. The latest known firmware is version 2.3 but wont help solve this problem. In case you do need the firmware, please send your contact information. You must share what you know and what you have as much as you can. Thank you for your kindness and support. JAH bless!
Download Technics SL-DZ1200 Sound Distortion/Speed Variation/Sensor Adjustment Document
Fahari Sound International 