Question about Meade ETX-125EC (500 x 127mm) Telescope

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Power goes out ETX 125

I have the telescope powered by an ac adapter and power is going through. But everytime I press a button on the controller it does a quick *** and the power goes out for a second. Then it comes back

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The hand controller cable may be bad. Get a new cable. If this does not work the hand controller may have bad firmware. Attempt to update the hand controller to the latest version of the firmware 43Eg.

Posted on May 16, 2010

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1 Answer

Light on telescope on powerup but nothing from autostar.


If Meade does not offer help, there is a 3rd party that does 'supercharging' of ETX models:
http://www.weasner.com/etx/techtips/tuneup_service.html

May 04, 2010 | Meade ETX-125EC (500 x 127mm) Telescope

1 Answer

60at motor fault


Could be several things:

You did Train the drives and CALIBRATED motors using the same power source you will use outside?

Do not run off of the internal batteries UNLESS they are brand new. Once the batteries drop below about 70% the hand controller goes a little crazy. That's why most people use an external power pack.

1. Replace the batteries, and do a Calibrate motors.

Did this fix it?


Mar 21, 2010 | Meade ETX-60 AT Telescope

1 Answer

Power goes out ETX 125


Several possibilities:

1. Bad cable from hand controller to the scope. Buy a new one at www.scopestuff.com much better quality and cheap.

2. Firmware is corrupted in the hand controller. Update the firmware using the Autostar Update software here:
http://www.meade.com/support/auto/Au2ver59.exe

3. You have a bad hand controller and will need to buy a new one.

Never plug or unplug the hand controller or any other cables while the power is turned on.

Good luck--

Mar 20, 2010 | Meade ETX-125EC (500 x 127mm) Telescope

1 Answer

Looking for meade etx-125ec schematic. someone broke power off power wires and unplug the two connectors on circuit board.


Here is the ETX Tuneup page:

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

and the Mighty ETX web site tech page:

http://www.weasner.com/etx/techtips.html

Feb 04, 2010 | Meade ETX-125EC (500 x 127mm) Telescope

1 Answer

I purchased a used etx90ec. Two of the battery terminals are moderately corroded. The lights on the control do not come on and it doesn't work.


If you can clean up the battery terminals with sandpaper, then you will need to try an outside power source.

Buy either the 110 volt adapter or BETTER but a 12 volt power pack at Wal Mart (the kind you use to start a car) make sure it has a 12 volt cigarette lighter style plug.

You can buy either the 12 volt power cable or tthe 110 volt adapter from www.scopestuff.com. I never use the internal batteries, always a 12 volt power pack. The ETX likes steady 12 volt current.

If it does not work with the outside power source then something is burned out on the main board. You will need to return it to Meade for repairs. Here are several links you need.

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

http://scopestuff.com/ss_cig1.htm the 12 volt cable

Dec 10, 2009 | Meade ETX-90EC (325 x 90mm) 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.

Jul 23, 2009 | Meade ETX-125EC (500 x 127mm) Telescope

2 Answers

ETX-125 Autostar controller not working


I assume the small red light on the power panel is ON. ???

If it is the scope is receiving power--- check to make sure the cable from the hand controller is plugged in properly-- jiggle the cable to see if you have a loose BAD cable. Before you panic --- try another cable or reverse the ends ---

Before you buy another hand controller try a new cable-- scopestuff.com sells a nice long flexible one for the 497 hand controller.


Jan 14, 2009 | Meade ETX-125EC (500 x 127mm) Telescope

1 Answer

Azimuth motor gearing problem


Sounds like it could be that the worm gear is not meshing
Look here for guidelines in the internals

Oct 15, 2008 | Meade ETX-125EC (500 x 127mm) Telescope

1 Answer

Trouble shooting


my Meade ETX-125 makes a grinding noise when I try to slew to the left and will not move. Any suggestions will be appreciated. Bill

Aug 30, 2007 | Meade ETX-125EC (500 x 127mm) Telescope

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