Question about Technics Audio Players & Recorders
This is a Model SL-MC300 110 Disc changer that gives error report after going through checking discs. It makes a humming noise but nothing happens.
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Posted on Jan 02, 2017
SOURCE: Technics SL MC60 reading error
Hi, this will occur when the optical lens assembly becomes unstable or, damaged. this Assembly incorporates many gears and levers and motors as well. the lens assembly works together with the loading dock.
The laser rides on a rail that is used to allow proper scanning of the inserted media and, if this optical assembly becomes misaligned or unstable, it will not read or track properly as you are experiencing.
I recommend replacing the optical lens assembly asap if possible. it is damaged. We recommend contacting a service depot fro this type of repair.
Posted on Jun 18, 2009
The problem is likely the carriage drive belt. The player is well over 10 years old so the belt gets stretched with use. Then it is unable to transfer power for moving mechanisms.
If you feel comfortable about opening the cover using proper electrical safety procedures then you can observe what the carriage is doing upon turn on. Unplug the player, remove the cover by unscrewing four fasteners (I think, but you can easily figure it out), plug in and power up. The carriage should go through a positioning calibration and disk checking sequence (simply, it moves out of the home position, travels across the player and repositions itself to await front panel input).
Yours probably doesn't so look at the belt on the top of the carriage. If it is off the drive wheels, remove electrical power, then simply put it back on, power up, and recheck.
If the belt is spinning on the wheels and seems loose then it needs replaced. Fortunately, here is an inexpensive and attainable replacement courtesy of another FixYa poster
Also, a clean up and lube of the mechanisms would be a good thing to do. That takes some technical know how to clean without damaging and applying the correct lube in the right amounts to the appropriate mechanism components. Some general references are available in electronic service books or online. I should probably launch a site!
Otherwise, without knowing the conditon of other components in the drive assemply, a service manual is required to proceed with further troubleshooting specifically for the player.
Hope that the K.I.S.S. approach helps you enjoy your player again.
Posted on Aug 06, 2009
I think there may be a problem with the system (defective parts) - I, too, am having this issue. I am going to contact the BBB - maybe if enough of us complain we will get a recall. To file a complaint:
PO Box 9168
Framingham, MA 01701
Posted on Nov 03, 2009
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