Mark Levinson No. 36 DAC,,,NEED HELP

i have the Mark Levinson No. 36 D/A Converter, but it not working,
"NO CODE" is displayed upon power-up. how to repair it? thanks!

jc12602-27-2018 3:01am

georgehifi Details Discussions Posts This discussion 10,312 posts 02-27-2018 at 11:09pm Copy Comment URL Report Comment Edit Delete Good thinking gs5556, could just be a bad transport sync. Try different transports hooked up. Cheers George
jc126 OP Details Discussions Posts This discussion Message User 3 posts 02-28-2018 at 02:00am Copy Comment URL Report Comment Edit Delete gs5556 when it power-up just show "NO CODE" on the screen, and all the button not working. someone said it is locked.
georgehifi Details Discussions Posts This discussion 10,312 posts 02-28-2018 at 02:56am Copy Comment URL Report Comment Edit Delete It maybe locked if you don't have a good transport attached? Cheers George
jc126 OP Details Discussions Posts This discussion Message User 3 posts 02-28-2018 at 04:47am Copy Comment URL Report Comment Edit Delete how to unlock it?
georgehifi Details Discussions Posts This discussion 10,312 posts 02-28-2018 at 06:22am Copy Comment URL Report Comment Edit Delete You still haven't responded to the question we both asked, have you got a known good transport hooked up to it?? As it may lock if you haven't. Cheers George