Luxman DU10

Good evening, dear colleagues. I started to restore and repair the luxman du 10 super audio player. initially it did not turn on at all, I had to repair the power supply and control circuit... the device is working, but the message "no ID number" is constantly coming out. maybe someone has encountered this situation, please tell me.
 

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I did not understand you, but what does the distribution of the frequency range have to do with it....
What you sent


Foreword
The role of the Radiocommunication Sector is to ensure the rational, equitable, efficient and economical use of the
radio-frequency spectrum by all radiocommunication services, including satellite services, and carry out studies without
limit of frequency range on the basis of which Recommendations are adopted.
The regulatory and policy functions of the Radiocommunication Sector are performed by World and Regional
Radiocommunication Conferences and Radiocommunication Assemblies supported by Study Groups.
Policy on Intellectual Property Right (IPR)
ITU-R policy on IPR is described in the Common Patent Policy for ITU-T/ITU-R/ISO/IEC referenced in
 
unfortunately, it says here about the switch of inputs and outputs for acoustics and that you can link four devices to one remote control using different IDs, but unfortunately this does not help in my version.... I believe that there is still a problem somewhere in the device itself, in the management, because it does not even reset to factory settings...