I have a YouTube video about this just search for Telescopeman on YouTube. However if you cannot move the scope up-down-left or right with the controls either the hand controller is defective or something is broken inside the scope. Possibly a worm gear is not engaging or is simply broken.
https://www.youtube.com/watch?v=iv9BCpcF5mc
SOURCE: My goto telescope will not slew upwards.
I'm assuming the motor works fine. First check this link for the instructional video and check you are doing everything right. (you need quicktime to view these - you can download it from the link if you need it ; http://www.meade.com/educational/ds%20videos/qt_chap1.html Here is the link to the Meade warranty page; http://www.meade.com/support/warranties.html If your scope is no longer under warranty, you can get spares here; http://www.meade4m.com/4mshop/parts/ They have fabulous pictures of all the available parts - Check in the "mount parts" section; They show a DS worm gear assembly, and a DS gear and washer set. You can probably see better than me, but it looks as if the worm gear traverses the scope, and the gear and washers in their housing elevate the scope. There may be more than they show parts for. The real trick will be to make sure you know how to reassemble the gears you dismantle - take a photo every time you remove something so you have a record when the replacement parts arrive. It is not the most complicated gear mechanism, but it is reasonably high precision, and relatively cheap materials, so be very careful or get someone fairly gentle and mechanically minded. If you need help, post me some photos back of what you need help with, happy to oblige. Hope this helps:)
SOURCE: Azimuth motor gearing problem
Sounds like it could be that the worm gear is not meshing
Look here for guidelines in the internals
SOURCE: Meade autostar computer wont go up or down only
Could be just a bad cable. Contact Meade customer service.
http://www.meade.com/support/index.html
SOURCE: I have a Meade ETX
Yes under the rubber feet on the bottom are three screws -- take them out and you can get into the bottom. peel of the rubber feet to expose the screws.
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SOURCE: Meade LX90 GPS - When the telescope slews to a
Calibrate motors and then TRAIN the drives-- this sets the gear backlash.
You should Calibrate motors every time you take it outside and Train drives at least once every year. The symptom you describe is called "rubberbanding".
Train the drives.
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