Question about Meade LX200GPS Telescope

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Meade LX200 drive system keeps spinning

My Meade 10" LX200 that I had in storage for a couple of years keeps running when I turn it on.  I plugged the power system in and when I turned the power on it keeps running.  The tube wants to spin around and rotate and will go around and around until I turn the power off.  I called Meade and they had no idea what was wrong and don't cary parts for that model any longer.  Any ideas?

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The older Lx200's go into tracking mode when turned on if they are not recieving a signal from the handbox. It does this on purpose so you can use the telescope without the handbox and still track sky objects. If it is still doing this with the handbox plugged in then you have a bad chip in the electronics and Meade is notorious for not having parts for their older telescopes. Don't send it in to them to repair. It will cost you a fortune to mail back and forth and they still can't repair most electronic problems with their older scopes(from my personal experience).

Posted on Jul 17, 2009

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Ifg lucky your seeing an open in the cables going to dec motor or ra if your cable is bad replace search mpmug for runaway dec or ra to see this documented

Posted on Apr 24, 2009

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1 Answer

Ime looking for a meade LX200 users manual that comes with the scope


Most Meade manuals are available on their support site: http://www.meade.com/support/manuals/ . Scroll down through the list for the LX200 series manuals (in the Telescopes section). The LX200 manual is listed as the LX-200 Classic. The current link to this manual is http://www.meade.com/downloads/dl/file/id/10/product/0/lx200_classic_manual.pdf .

I hope this helps.

Cindy Wells

Feb 26, 2017 | Meade Optics

1 Answer

Meade lx200 acf r manual


Many Meade telescope manuals are available here: http://www.meade.com/support/manuals/ . There are several models in the LX200 series. The manual for the LX200-ACF is here: http://www.meade.com/downloads/dl/file/id/11/product/0/lx200_acf_manual.pdf . There is also a model LX200-R; the manual for this model is at http://www.meade.com/downloads/dl/file/id/13/product/0/lx200_r_manual.pdf . I don't see anything about a model with both the ACF and R features in this series.

I hope this helps.

Cindy Wells

Feb 15, 2017 | Meade Optics

1 Answer

10" LX200 runaway motor right ascension.Mead


Already answered your question.

Jul 24, 2011 | Meade Optics

1 Answer

10"LX200 EMC that will not


This model LX200 classic has weak capacitors that blow out with age. Go to the Yahoo LX200 group-- post a message with the problem for "Ron Sampson" he can repair the board if it is broken. Also Dr. Clay and Andrew also post to this web site--- they know a lot about LX200 electronics.

www.telescopeman.org
www.telescopeman.us
www.telescopeman.info

Jul 14, 2011 | Meade LX200GPS 10 in. Telescope

1 Answer

Hello. I just bought an older, used Meade LX200 18...


The scope will run just fine on 12 volts. www.scopestuff.com sells the cigarette lighter cord for that telescope.

Call them here:

www.scopestuff.com

May 16, 2010 | Optics

1 Answer

My Meade LX-50 telescope has developed an electrical problem. When I turn it on it immediately blows the fuse. I tried disconnecting the drive motors, and it still blows the fuse, so I think the problem is...


A fellow by the name of Ron Sampson can repair hand controllers and main boards on Meade telescopes. He does very good work. All you need to send him are the board(s).

You can contact him by posting a message on the Yahoo LX90 or LX200 group forums.
http://tech.groups.yahoo.com/group/lx90/

Good luck-- by the way he repaired the hand controller for our astronomy clubs 10 inch Meade LX200, at a very reasonable cost.

May 04, 2010 | Meade Optics

1 Answer

Bolt holding dec drive motor on 16 loosens.


You have a LARGE Meade telescope. This should be an easy fix if you can disassemble the fork arm and get inside.

First I would contact Meade customer service to see if they have a manual that shows disassemble instructions. If not I would join the Yahoo LX200 forum and look for help there with an owner of the 16 inch model.

http://www.meade.com/support/index.html

Just search in Yahoo Groups for the LX200 forum.

On smaller scopes the DEC motor is held on by two spring loaded bolts, probably one has become loose?

Nov 04, 2009 | Meade LX200GPS Telescope

1 Answer

ASCENSION DRIVE WON'T STOP TURNING.


If you will post this question on the Yahoo LX200 forum group the experts there may be able to diagnose this problem.

Many folks there with the same telescope.

Jul 08, 2009 | Meade Optics

3 Answers

Meade LX200 10" SC Telescope


You have a standard lx200 problem. If you transported your scope a lot with the drives "locked" it damages the RA and DEC drives. If you keep using it, the motors burn out and start drawing too much current. This sometimes blows the motor driver chips on the motherboard which are getting very rare.

The burned out tantalum caps can be replaced with better aluminum electrolytics very cheaply. If the ones in your Autostar burned out, they often burn up the ribbon cable. Also, they often take out U11, a 74LS14 chip on the motherboard. Also a cheap repair. You should take the Autostar apart. If they are burned up, it will be obvious. If your ribbon cable survived, you should replace the caps with aluminum electrolytics. I believe they are 6.8 uf.

So, if you can work an ohmmeter, measure the resistance of the two drive motors with the plugs unplugged. If it is about 14 ohms they are ok. If they are about 3 or 4 ohms, they are toast. Check the worm drives for end play. If there is just a little, you can adjust them. The battery jack on the control panel often breaks the solder joints on the board, causing one of the problems you describe. You can check that and replace/resolder as necessary. The on/off switch often fails and gets intermittent. These are also cheap and can be replaced. I don't repair these for a living but I repair a few of them for friends in the club. These are pretty common problems.

Feb 27, 2008 | Optics

1 Answer

Cannot power up my Meade LX200


Check to make sure there are no bad connections under the swith itself. My Celestron C8 mount has similar problems and if I mess with the switch it will power up.

Jan 31, 2008 | Meade Telescope

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