Question about Meade ETX-90PE (325 x 90mm) Telescope

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Meade ETX90 will not tilt; Motor runs, but gears just grind.

Before tearing it apart, I would like to know what I am getting into. Is there a repair manual available out there somewhere? Are these gears relatively 'cheaply' made plastic gears, and can parts be purchased for it? If so, where? Thanks in advance.

Jeff Palazzo
Pensacola, FL

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I have not been able to find a repair manual anywhere. Nor have i been able to find any repair parts. Dr. Clay Sherrod at the Arkansas sky observatory offers a repair service that is apparently so good that it will increase the value of your scope, it is however expensive. here is the link.
www.arksky.org/supercharge.htm

Also I have found a lot of useful info on Mike Weasner's website, here is that link.
www.weasner.com/etx/menu.html

Posted on Dec 09, 2008

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1 Answer

Meade DS 2000 Goto Reflector scope. I am looking for the base goto motor assembly housing witch houses the motor and gears. Can anybody please help?


You cannot actually get parts for this scope other than from Meade directly-- and possibly a USED motor on Ebay. Usually Meade wants you to send in the scope for repair and will not sell you any gears or motors.

www.meade.com

Jun 10, 2011 | Meade DS-2114 ATS (325 x 114mm) Telescope

2 Answers

The 360 rotation motor runs (Motor can be heard rinning) But the scope wont rotate. As the product is out of waranty, is it a problem that I could fix my self, as i'm pretty handy with a screw driver...


You can send this into Meade for repairs.
http://www.meade.com/support/index.html

Or you can disassemble the base and look inside. I suspect you have either a loose or broken worm gear inside the base. There are manuals available on the Meade web site but they do not give any disassembly instructions. Call Meade at the phone number above or try taking apart the base and look inside. Only Meade will have replacement parts.

Apr 29, 2011 | Meade DS-2114 ATS (325 x 114mm) Telescope

1 Answer

Etx90 geartrain broke


Only Meade has parts. Usually they want you to send the scope back to them for repairs. However you can contact their customer service department and ask if they will sell you just the part:

Here:

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

Jul 04, 2010 | Meade ETX-90EC (325 x 90mm) Telescope

1 Answer

ETX90, has an issue the prisms have falled out, how do I get them back in ??


You mean the small mirror under the focuser? This is a known issue. The mirror can be re-glued with a dab of silicon. Here is the repair article:

http://www.mapug-astronomy.net/ragreiner/etxguider.html

Jun 18, 2010 | Meade ETX-90EC (325 x 90mm) Telescope

1 Answer

2 small lens fell out of my telescope how do I get them back in and where do they go ??


The Meade ETX90 does NOT have small lens! It has a large curved lens in the front. and a holder for the eyepiece in the back (top). There is also a camera port in the back, and a flip lever that sends the light either straight back to a camera, or UP to the eyepiece holder.

There is an INTERNAL secondary mirror mounted on the back of the front large lens. If this fell off INSIDE, you will need to remove the front lens to fix it. NOT an easy fix as the optical alignment can get messed up when you do this.

Here is the manual for an ETX90, you should read it completely.

http://www.meade.com/manuals/TelescopeManuals/ETXtelescopes/ETX-90_105_125EC_man.pdf

and for the hand controller:
http://www.meade.com/support/etxautofaq.html

Jun 18, 2010 | Meade ETX-90EC (325 x 90mm) Telescope

1 Answer

Ik wil graag een Nederlandse handleiding voor de Meade ETX 90


Meade has all of their ENGLISH language manuals on this web site.
http://www.meade.com/manuals/index.html

Here is your telescope- ETX90
http://www.meade.com/manuals/TelescopeManuals/ETXtelescopes/ETX-90%20w-autostar%20man.pdf

A dealer in the Nederland may have one in your language. Locate a nearby telescope shop.

Apr 27, 2010 | Meade ETX-90EC (325 x 90mm) Telescope

1 Answer

Not getting power to the drive motors


I own an ETX90. Is the power light on the computer control panel ON?

If yes then the board is probably OK. If NO- either the power cable is bad or the board is blown.

Try a new power cable first, and or install batteries and see if that works. If the light is on you could have a loose wire inside. Re-seat the connections inside the base. Read these instructions:

http://www.weasner.com/etx/techtips/etxtu.htm

If it still does not work you can send it back to Meade for repairs. Call them about that here:
http://www.meade.com/support/index.html

Apr 02, 2010 | Meade ETX-125EC (500 x 127mm) Telescope

1 Answer

Motor unit fault DS 2000


Continual motor faults simple mean something is broken inside the telescope--- motors, or gears--- something is preventing the motor from turning the telescope.

Time to either take it back and get a replacement... or send it in for repairs.

Here is the Meade service phone line--
http://www.meade.com/support/contact.html

Jun 14, 2009 | Meade DS-2114 ATS (325 x 114mm) Telescope

2 Answers

Possible transmisson


motr coupling easy to turn??? did you look at closle ( sometimes appears intact, but the center of teh shaft is stripped allowing the motor to "slip" through giving what could amount to a stripped gear sound. the newest motor couplin (285753a) has a meatal sleeve to prevent such a thing from happening

Mar 20, 2009 | Whirlpool Washing Machines

1 Answer

Telescope broken


You will not find parts for these telescopes-- however Meade can repair them if you send them in.

Meade does not sell parts for their telescopes --

http://www.meade.com

Dec 02, 2008 | Optics

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