Question about Sony MHC-EC70 Shelf System

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CD tray "Locked"

Hi everybody!!
My hi-fi has a problem: when I try to open the CD tray, it says "Locked" on the display..
Is anybody able to help me having my CDs back??
Thanks in advance,


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Dear Alberto,
Please check the underside of the system . The transportation lock at the bottom may be locked manually .


Posted on Jun 08, 2008


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Hi abdu

The problem is that at some stage you or someone else forced the cd open or closed, but not to worry, it's not broken. What happened is that the gear that pulls the tray in, mite have slipped a tooth or two. You'll have to open it up. Take the top cover off. It has four small screws holding it. When you take the cover off, the gear system should reveal itself. Now the gear that pulls the cd tray in and out must me ajusted. Before you open the dvd writer, make sure it is in it's utmost closed position. Very Important!. There should be a screw in the centre of this gear. Carefully unscrew completely. Now it depends on which direction the gear turns when it close the tray. Seeing that it doesn close completely, the gear turns anti clockwise to close. Lift the gear in a up sliding position and turn it one teeth clockwise, press the gear back, fasten the screw and test. If it still needs more adjustment, repeat the process with another teeth clockwise. Note if it worsen that it doesn't close, then you need to reverse the process and move the gear anticlockwise, but make sure to mark the teeth that it was originally on when you opened it.

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