Question about Meade ETX Premier Edition: ETX105 PE Telescope

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ETX125 PE new model. Elevation has totally stopped.

I am in Australia. While trying to do auto align, the Elevation drive stopped functioning after a few tries. I have Googled all the solutions and checked motor, gears, worm drive, wiring, all appear OK. Azimuth works fine. No fault shown on Hbx, just doesn't move in Elv. Total silence. Using PC connection, can slew in Az, but no motion in Alev.

I removed the OTA with ease and the Alt assy looks fine, nothing broken. Also verified no motor motion when tried to slew from PC.

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Could be that the DEC motor driver has died. That could be verified by swapping the connections between the RA and DEC. If the DEC now moves, then that is the problem. If not, then the DEC motor is bad.

Posted on Sep 08, 2009

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Hi Joe, My name is also Joe and I just bought a Celestron AstroMaster 114 and need a hand with the elevation,inclination, declination settings(what should my gauges be set to) to star using the unit. Any...


Your DEC is the same as your Latitude--

Right Ascension does not matter for now. Polar Align the scope on the star Polaris-- read this:

http://arnholm.org/astro/polar_alignment/index.html

Once you are polar aligned, rotate the tube to a star in the sky that you KNOW the name of. Look up the Right Ascension of that star on a cell phone app or a laptop planetarium program like this one:
www.stellarium.org

Rotate the RA setting circle so it matches what the phone or laptop indicate. LOCK down the RA circle. Your scope is now adjusted to the sky and you can use the numbers on the DEC and RA to find other objects of known RA & DEC.


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

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I just bought a used ETX125 PE the motor that lifts the scope seems to power out,or simple cannot swing up!


Are you using the internal batteries? Are they fresh and fully charged?

Replace them and try again; or better get a seperate 12 volt power pack and the correct Meade 12 volt cigarette lighter style power cable.

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1 Answer

I live (and hence observe) in the southern hemisphere (Australia) and am trying to set up my Nextstar 8 using polar alignment. I have the appropriate celeston wedge. The alignment process in the telescope...


Read this:

http://books.google.com/books?id=V3tyCXsCCkMC&pg=PA80&lpg=PA80&dq=align+nexstar+in+southern+hemisphere&source=bl&ots=KIgbgUDdmW&sig=-I26nKahu0-JbPfnkZUrXuW7oX4&hl=en&ei=7gMmTYWBHsaqlAfe6pXEAQ&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBMQ6AEwAA#v=onepage&q=align%20nexstar%20in%20southern%20hemisphere&f=false

and this

http://www.nexstarsite.com/Firmware/GPSFirmware.htm

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1 Answer

I am trying to repair the motor drive in the fork of the 125 model, and would like to aquire a repair manual. the motor in the base runs fine, but when I pulg in the Auto Star paddle from my 6 inch...


Your problem may not be the motor?

Is this a 497 hand controller? If it is check the TELESCOPE TYPE in the controller. It should read ETX125. You cannot just switch controllers. The controller has been TRAINED for the other scope.

To switch it you must do a RESET, Calibrate motors and then train the drives. These "values" are stored inside the hand controller. If you move it to another type of Meade telescope you must RESET and do Calibrate sensors and Training again.

The dis-assembly pictures are located on the Mighty ETX web site here:
http://www.weasner.com/etx/menu.html

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1 Answer

I need an 8 x 25mm Right angle viewfinder for a Meade ETX-125EC Astro Telescope


Many retailers sell these. The catch is to find one that will MOUNT to the ETX125. Try these two retailers:

http://www.agenaastro.com/

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Call them and see what they have.

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ETX125 With Red Dot finder arrangement, IThe


Give Meade service a call; they sometimes send out small parts free.

Sep 08, 2009 | Meade ETX-125PE (500 x 127mm) Telescope

1 Answer

MEADE ETX 125 Motors have stopped


The ETX125 is notorious for bad motor control. Weasner's Mighty ETX web site has links to repair centers that are more reasonable than Meade. They also have a QA section to assist with diagnostics.

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1 Answer

Elevation motor stopped working....


You might look at the Jan's Meade lx90 site.
http://hometown.aol.com/kewtasheck/index.html
I have the same problem.

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