Guide :Optics : 8" LX90 LNT Schmidt Cassegrain Telescope with SmartFinder w/...

Meade lx 90

Hi, I have an LX90 and he band on te base that displays RA circle has come loose and revolves arround the base. Any idea how to get it back where it should be or doesn' it matter. Thanks Noel

Research, Knowledge and Information :


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Meade Instruments: A world leader in the manufacturing of Telescopes, Solar Telescopes, Microscopes, Optics, Binoculars, for amateur astronomers and hobbyists
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Meade LX90 - Wikipedia


The Meade LX90 is a Schmidt-Cassegrain design of telescope made by Meade Instruments for the mid-priced (2000 USD circa 2008) commercial telescope market.
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Meade LX-90 - Schmidt-Cassegrains (SCTs) - Articles ...


After many years of Dobsonian telescopes and non-driven refractors and smaller SCTs, I decided to jump on the GOTO scope bandwagon. My observing time is strictly ...
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Suggested Questions And Answer :


Thumb screws for meade finder scope - Meade 8" LX90 LNT Schmidt Cassegrain Telescope with SmartFinder w/ FREE UPS


They are 10-32 thread; most hardware stores will have something that will substitute.
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LX6 Hand controller....error message - Meade 8" LX90 LNT Schmidt Cassegrain Telescope with SmartFinder w/ FREE UPS


If the hand controller on the LX6 has stopped working you have a problem since meade does not support this very old telescope. My only suggestion would be to place an ad on www.astromart.com looking for a new hand controller.If the error message indicates a "motor fault" make sure you have a good power supply and or fresh batteries-- as low voltage will cause a motor fault error.Later you said it was an LX90 LNT-- ?? so which scope do you actually own???
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When I press the mode key nothing happens. - Meade 8" LX90 LNT Schmidt Cassegrain Telescope with SmartFinder w/ FREE UPS


Nothing will happen if you at the TOP of the menu tree. The mode key serves several purposes. First it works like the ESCAPE key on a computer and backs you out of the current menu UP in the menu tree one level each time you push it.If you hold it down for 2 seconds you get another menu with additional features..Check your manual for the menu tree diagram. If you are already at the TOP of the menu tree nothing happens.If the key does not work at all then the contact under the key is worn out. You can buy a "kit" to repair the contacts-- but of course you must dis-assemble the controller.
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About my LX6, not - Meade 8" LX90 LNT Schmidt Cassegrain Telescope with SmartFinder w/ FREE UPS


Sorry you will need to be much more specific about your scope proble,
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MEADE LX90 TELESCOPE


Had the same problem. Took it to a dealer and we put a new controller on but the funny thing was that my old controller worked fine on another scope but it would not work on mine. Agreed with "Guest" above - Mead's after sales service is bad.
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Actually, its NOT about an LX90, but rather my Meade LX6 10", f/6.3 scope...whos hand controller is displaying error messages from the encoders on power up. Can you help me? Great scooe, recent problem, no help from Meade AT ALL. Thanks, Jeff Thompson, JeffTcom@aol.com, (336) 712-3341


Thanks Paulmo....but adjustments and cleaning haven't fixed it....and I have tried some other encoders, but they were not successful.....probably since they were NOT the exact matches to the Meade encoders. Looks like NObody has a solution. But keep trying and let me know if YOU haver some success. Thanks again. JeffTcom
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Problem with alignment of Meade LX90 8" telescope


Start from scratch- RESET the hand controller.Calibrate motors using the same power source you will use outside.Re-train the drivesCalibrate sensors on PolarisUse either the 110 volt power cord, or buy a 12 volt power pack and the proper Meade 12 volt cable. (www.scopestuff.com carries the right 12 volt cable)If your scope is NOT the LNT or GPS model you must level the tripod before you align. Go to home depot and buy the $3 small plastic two way bubble level, or the bulls-eye style bubble level.Further trouble, I suggest going to the LX90 Yahoo group forum, and asking questions there.Good Luck
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I have an 8' meade telescope and cannot find my operating manual. Where may I find one for my old telescope?


This manual is located on the Meade web site here:http://www.meade.com/manuals/index.htmland here is your manual:http://www.meade.com/manuals/TelescopeManuals/LXseries/LX90-LNT.pdf
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My great Meade LX6 10 ", F/6.3 scope...has developed a vexing problem in the hand paddle controller attached to the RA & DEC encoders. After starting to initialize or boot up....it suddenly goes to ERR message, instead of displaying the coordinates. Meade, of course, disavowes any help under what was termed a "life-time"warranty when I bought the scope. Suspecting an encoder I've tried to locate a replacement for the RA, where initialization reportely begins, but can't locate a match. I've also swapped the identical DEC encorderinto the RA position...but the Error persists. Parhaps the flaw is somewhere else...but only weeks ago, it was all running just fine. CAn you offer any help or suggestions. Thanks, Jeff Thompson, JeffTcom@aol.com, (336) 712-3341


My scope sat in a basement for years and when I started it up I got an error the same as you discribe. Through sear luck I found it to be a bad connection where the encoder wire pluged into the battery box.
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How to replace internal clock in lx90 8"ACF. Meade LX 90 8" ACF with UHTC


Probably just needs a new lithium coin battery - located behind front panel.
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