Question about Panasonic Audio Players & Recorders
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Posted on Jan 02, 2017
I had a jammed disc that was causing this same error message. To remove the jammed disc, remove the top by removing the screws and then you can remove the stuck/jammed discs. For the Panasonic SC-PT750 there are 7 screws, three small silver ones on the back, then 4 black ones, two on each side, all philips head. Once you have that off, gently pry it off starting from the back, the cover is actually hinged into the front plastic piece of the player.
Posted on Dec 31, 2007
SOURCE: broken tray Panasonic SA-HT820V
The mechanism gears are probably out of timing. If you are mechanically inclined, you can fix it. You need to find the service manual and in it there are about 10 pages of step by step directions on how to take it apart and align all the gears. it take some effort but it is much cheaper than buying the whole tray mechanism and I doubt that any parts are broken.
Posted on Jul 30, 2009
the system i had, had exactly the same problem, happened years ago but only got around to it now.
The case is quite fiddly and there are also potentially dangerous voltages inside so i would only do this if you are trained, and even then you do so at your own risk.
I have fixed the problem but i am not 100% on what the actual problem was. firstly i opened the system up and seeing as the problem was the stuck trays i went straight for the dvd mech (part 1) however that may not be necessary and the problem may have just been the front switches not reading properly (part 2).
**make sure the unit is unplugged**
-take sides off
-loosen front panel from base of system
-i removed the white plastic top of the dvd unit allowing you access to the screws holding the metal panel on to the dvd unit, removed the metal unit.
-there are two ribbons connecting the dvd unit to the main unit, the smaller one controls the motor drives.
-i plugged in the unit to test the motors, to do this i ground each pin coresponding to a motor (they are labelled) located a the header at the end of the smaller ribbon. (This can be done from the other end of the cable located on the side of the unit, which is much more accessible but not labelled)
-forced dvd trays back to their starting position (makes lots of noises)
-on the side of is a sliding mech that selects which dvd tray i made sure that moved back and forth freely (quite stiff as you are working against the motor) you should hear the motor turning.
put everything back together.
-when switched on it would go through starting sequence but NOTHING else.
-mech appeared to working but noticed front panel was not responding to button presses on the dvd area. the tape/dvd select and power button were OK though
-removed front cover and removed front panel circuit board, plugged back into system.
-without the front panel the buttons all worked and system all worked.
-replaced front bezel and system worked.
Posted on Aug 11, 2009
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