Thought I would never find a copy of the Technics SX-EN2 Service Manual until I found Owner-Manuals.com. Price was very fair and I received the download promptly. While a photocopy, it is quite readable and includes all the pertinent information and diagrams. Thank you Owner-Manuals!
Very good quality scan of the document. I am very pleased with what I got.
Text excerpt from page 30 (click to view)
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4. GENERAL INFORMATION
4.1 PASSWORD RESETTING
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How to Reset the Password When User Forgot the Password
It is necessary to re-download the software. As user cannot download the software, ask user to bring or send the set to Pioneer Service Center. Then, re-download the software and send back to the user.