Question about Meade Optics
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Posted on Jan 02, 2017
SOURCE: meade LX200GPS telescope
The front panel for the telescope has an internal fuse. Remove the screws and look at the circuit board for a fuse. Replace with the same type and rating. The telescope has a diode with the fuse that gives some protection against reverse polarity, and the telescope should function on this fix.
Posted on May 22, 2008
It might be a voltage or electrical current problem. Make sure your DC power supply is between 12 and 14 volts. Make sure all electrical connections are tight. Where the power cord plugs into the connection panel, make sure the center pin on the panel fits tightly into the plug. It is a Radio Shack type "N" plug. If tou still have a problem, remove the bottom plate from the scope base and make sure all the connectors are properly seated on the circuit board. Check the connector on the end where the black and red wires are. That is a main power connector and if it is too loose it will not conduct enough current. There can be enough voltage drop that the drive motors won't operate, or they will and the scope will slew uncontrollaby. Be careful handling the wires so that you don't damage them. Good luck, Dave
Posted on Sep 26, 2008
You can build a Dobsonian style telescope -- look here-
Building a refractor would be lots more expensive! for the optics-- however you can buy this small refractor being sold now for the International Year of Astronomy 2009 -- and see how they are constructed--
Posted on May 17, 2009
Your reseller is correct. The wire (Meade cable #505) goes from an RS232 serial port on PC to a 4pin RJ plug. This plugs into the 2nd socket on the bottom of an Autostar 497 handset, the other socket being used for the curly lead to the telescope. So it goes PC to Autostar to telescope.
A common error is to try plugging the serial wire into an "AUX" ort on the telescope control panel - same connector. Not only does this not work, it can cause a lot of damage.
Wired like this you can control the scope from Meade's Autostar Suite (or many other planetarium softwares). You can also update the Autostar software to the latest 2009 version.
What else can go wrong? Well, many people want to control from a laptop, and modern ones don't have RS232 serial ports. Then you need a USB-to-serial convertor dongle, which effectively add a serial port to a laptop. But they often give it a very high port number (eg COM17) that the planetarium software does not find. Use Control Panel to reset the USB-serial-port to COM 1, 2, 3 or 4 and all should be well. But it can be a right fiddle!
Posted on Aug 15, 2009
I have a meade 4501 telescope and it comes with a battery pack which contains 19 x 1.5v AA batteries. I also use my 12 volt adaptor which works fine and has never needed more power.Hope this helps.
Posted on Sep 04, 2009
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