Messages

1

preenfm2 and preenfm3 / Preenfm 3 USB Midi unavailable

« on: October 10, 2021, 01:25:50 PM »

Hello!
Have a problem with PFM3. Connecting it to the USB powers device, but it's not sowing as midi device in the system. Other synths works well with the same PC. USB Midi in/out is enabled in PFM settings.
Where at least to start looking for the solution?

2

preenfm2 and preenfm3 / Re: PreenFM3 Buttons 1,2,Menu don't work

« on: March 28, 2021, 11:00:57 AM »

Disassembled control board. I had to tinker with the encoders, but I got everything successfully.
Only problem that 4 buttons lost leg length. So it would be great if you could send me some buttons to replace in case of problems.

3

preenfm2 and preenfm3 / Re: PreenFM3 Buttons 1,2,Menu don't work

« on: March 28, 2021, 07:38:41 AM »

 
Unfortunately I don't have a soldering air station. I will be grateful for sending a replacement.
But I have desoldering pump so disassembly should be possible. I will try it today and let you know if any more spare parts are needed.

4

preenfm2 and preenfm3 / Re: PreenFM3 Buttons 1,2,Menu don't work

« on: March 27, 2021, 07:39:55 PM »

No, I didn't press any button. System starts bootloader immediately after powering on.

Here are the pictures.

Thank you!

5

preenfm2 and preenfm3 / PreenFM3 Buttons 1,2,Menu don't work

« on: March 27, 2021, 01:26:17 PM »

Hello everyone!

Building preenfm3. Can't flash it because button 1 don't work in bootloader mode.
Buttons 3,6,+,- works good. Buttons 1,2,menu do nothing. Other buttons do nothing in bootloader mode, so can't check them.

Already checked:
1. Buttons are good - resistance drops when pressed.
2. Voltage on buttons is ok - 3,48V (and drops when pressed of course)