Dear Anthony, nice to meet you. In the past Jwill and many members helped me a lot and I also tried to help other friends with prime 4. So no complains, forum is great.
But if you read my last reply of what I did it would be great to make a question to Denon technicians if platters after some time of usage can be out of center or height (platter sits on an axis) and cause this issue regarding touch sensitivity in vinyl mode. Thank you!!
Ok, my trick i did last night is not working. As unit is cold i powered up this morning and right jog wheel is blue and in vinyl mode touch my hand and no change. After 20 minutes i rebooted the device it works. So maybe its a faulty sensor or entire jog wheel need replacement. Does anybody know if the sensor exist as a part or technicians willl ask to change the whole platter?
Thank you
You can try to clean the jog with antistatic cleaner for pc or a pad with a reduced alcohol/water mixture. Maybe some oil or other electrically conductive residues are on your jog. So it measure a little resistance from ground, and this causes the stuttering. Maybe a freshly cleaned jogweel should fix it. if not the sensor is broken.
Thank you Dark. I will try it. If the sensor is broken then replace part the sensor or entire platter? Also if you can help on this, the platter after 30 minutes of power up the unit and then if I restart it it’s OK. strange this.
Don´t know what they will change on repair. If it is the complete platter or only the sensor. There you have to contact your local dealer, and he will contact repair center for you.
When all our tips don´t bring the desired success, you can also contact @Anthony_DDJ .
wish you luck.
Thank you!!!
So, all seems to be a hardware issue. Cold controller first start of the day, right jog vinyl mode is not working by touch. After 30 minutes the jog wake up and touch works OK until next shut down and stay for 2 o 3 hours off. So is it pcb or jog sensor? Who. knows? I have to go it for service at the end.
Hey @dj_chris We’ll be happy to take a look if you feel if it’s a hardware issue. Could you DM me your information (email, name, phone number) and quick summary of what you’re experiencing and I’ll be able to connect you with a team member.
Have you tried … recalibrate the jogs in cold mode ?
Hello Dark. Yes, it is not working. like dead. After 30 to 40 minutes that I suppose electronic components are more hot works fine even if I do 10 reboots.
Raising or lowering the jogs a few mm (with small screwdrivers) would not have any effect on what you’re experiencing. The capacitive touch “sensor” (if we can call it that) is purely a connection from the bottom of a metal plate on your jog wheel (that you touch) directly to the pcb. The touch plate is held onto the jog using a very thin film of conductive double sided tape. It makes connection to a metal tab directly underneath it. This metal tab is then connected to the pcb with a screw. There are no wires etc… to potentially come loose. What could happen is that the touch plate might not be making a good connection to the metal tab, which would make the jog unresponsive at times. But this is the exact opposite of what you’re experiencing. Due to the fact that you mention one of the jog displays sometimes acts frozen at bootup, I would try reloading firmware first. If that doesn’t help, you gonna have to send it in.
That is real nice explained. And it is true. If you have bad connection of the ground to your platter, it gets even more worse. don´t lift the platter. please send this device to a local authorised repair center instead. they will fix the ground connection and everything works fine again.
Thank you both of you. This is what I will do, go for service as soon as possible.
Thank you and I will come back to explain what was the issue after the service.
Try this.
Get a can of air and blow gently underneath the platter.
Because this might be happening to you also.
Dear Wykey1 thank you. The attached video shows the left platter and how the problem begun. Left platter didb what you see in the video for only 1 day. Then all next days and until now, left platter works perfect but right platter when unit is cold touch is not working. After 30 to 40 minutes and doing nothing the touch comes alive itself and works perfect even if you do several reboots. The problem comes again when the controller is off for more than 1 or 2 hours and the power up.
Yeah that’ll probably help in the short term, though you’ll just blow the dust around so it may easily reoccur. Definitely easier than pulling the deck apart though.
What it really needs is a mod kit designing to replace the brake mechanism with something that gives a nicer feel and no brake dust. I guess more/larger brake pads with a material change should help.
Dear members, A small update on my issue. Special Thanks to Metro Audio Systems (Denon DJ distributor for Greece and also to Audio & Vision company, DENON DJ service for Greece. The controller was repaired without any special part change and both jog wheels are working fine. Another HUGE thank to Andreas from Audio Vison that he did the repair. (regarding the issue it had to do with the internal grounds or something similar) My prime 4 is back in home and works perfect!!!
Great to hear!
Yes Anthony, I am happy too!!! Thanks for helping on this.
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