Question about Sharp CD-C2900 Shelf System
I have a Sharp cd-c2900 home stereo and a "protect" word came up on the lcd?? The stereo is not working now and olnly shows a "protect" word?? Can you please tell me if there is a reset button some where?? Thanks , "Joel" My Email address>> Jovelopa22002@yahoo.com
Posted on Aug 19, 2008
I have a sharp cd c-2900 home stereo and a protect word came up on the lcd? the stereo is not working now and olnly shows a "protect" word?? can you please tell me if there is a reset button some where?? Thanks Israel My Email address is email@example.com
Posted on Jun 25, 2011
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Posted on Jan 02, 2017
SOURCE: protect mode
I own a Sharp DVD Micro System XL=DV60 that began to have a "protect" error message when I crank up the volume. Not sure if this applies to your system, but it could be worth a try. Before you proceed, the solution requires you to open up your system (Do not proceed if the unit is still under warranty :)).
IF you are not experienced in opening up electronic equipment, I suggest you find somebody who does. The error on my system was caused by the cooling fan being stuck or not able to spin. The system has a sensor or sense circuitry wherein, when it detects that the "amplifier" IC heats up, it spins up the fan to cool it down. IF the system detects that the fan is not spinning during the cooling phase, it will give out the "protect" message. Note that the fan only spins when you crank up the volume. Less or 0 volume will shut down the fan due to it's "energy star" feature. One possible reason why using headphones does not show the error, since headphones require less energy that the main speakers, thus the amplifier IC does not overheat. To solve the problem, I cleaned out the dust in the system via a 1 inch wide paint brush (haven't tried the compressed bottled air used to clean computers BUT it might do) and nudged the fan. Played the system w/o a cover and observed the fan operation and so far it has solved the issue. I plan to lubricate the fan shaft with very small amount(less than a drop) of machine oil using a syringe. If it does not work, I plan to see if I could purchase a replacement motor for the fan...
Again, I have not seen the internal layout of CD-BA2100 and not sure if there is a cooling fan. But then again, it's better than having the "protect" error popping up. :) hope this helps....
Posted on Nov 22, 2008
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