Meade ETX 125 circuit board.

[Sheffield Col]

I have managed obtain a new gearbox for my ETX125. It's the newer type that just plugs in, I could just swop the internals but would rather use the new board if possible. on my ETX there are Four wires coming out of the base and soldered in to the circuit board, the new type has a plug that plugs into the new board, if I could get a plug I could solder it on and just plug it in but I would need to know the order of the wires. Can any one help with this ? cheers Colin..

[whipdry]

Is this what you're looking for? 

 

 

[Sheffield Col]

You are not far off mate, the photo is of the Dec (I think) in the base, what I am after is the little plug that plugs into the circuit board for the other motor that drives the OTA. On my old one there are Four wires that come up into the fork mount and are soldered onto the circuit board, the new G/Box has Four pins on the circuit board to accommodate a plug. I want to unsolder the wires from the old circuit board, resolder a plug on to the Four wires so I can plug it into the new circuit board. But I will also need to know the order of the colours.  Hope this makes sense. Colin.. 

[whipdry]

Can't find anything else online but do have a de-scoped ETX-125 assembly, have tried removing the inside panel by removing all the screws but seems stuck where it joins the base... guess you may know how it comes apart? 

Peter 

[Sheffield Col]

Hi Peter, On mine there are Five screws that hold the panels on, mine is an older model but I don't think the new ones are any different. With the panel off you can see the gearbox and worm drive, you should also see Four wires coming up from the base, on older models like mine they are soldered into the circuit board, on newer models there is a little plug attached to the four wires and that plugs into the circuit board. All I really need is the little plug with a short length of wire left on it so I can solder it on to my existing wire. If yours is the plug type and you no longer require it I would be interested in obtaining it in exchange for some beer tokens. Many thanks...Colin..

[whipdry]

Hi Colin,

Wasn't trying to help in a material way, if I can get the panel off I'll post a photo showing the wiring.

Peter

 

 

[whipdry]

Hi Colin, got the panel off eventually, it had been glued at the base!

Mine has cables soldered straight to the board.

Here are the picture;

Hope these help, 

Peter 

[Sheffield Col]

Hi Peter, many thanks for the pictures its exactly the same as mine. Is yours not working ? 

[whipdry]

I have a fully working ETX-125, the one pictured come up for sale de-scoped so bought as a spare. 

Peter

 

 

 

 

 

[Sheffield Col]

Hi Peter, good move buying a spare, is the one you are using all plastic construction same as your spare ? Or is it a newer model with a Aluminium fork. 

[whipdry]

Not sure a spare was a good idea, until now I wasn't aware of these difficulties! 

8 hours ago, Sheffield Col said:

Hi Peter, good move buying a spare, is the one you are using all plastic construction same as your spare ? Or is it a newer model with a Aluminium fork. 

 

[Sheffield Col]

Hopefully got this sorted now, I have rebuilt and installed the gearbox, it seems to be working just fine now but don't know how long it will last, so keeping my fingers crossed for now.. 

[whipdry]

1 hour ago, Sheffield Col said:

Hopefully got this sorted now, I have rebuilt and installed the gearbox, it seems to be working just fine now but don't know how long it will last, so keeping my fingers crossed for now.. 

Good to hear it's working OK.

In answer to your question about my ETX-125 construction, seems the complete one has plastic panels covering an aluminium fork while the spare is all plastic with just a small metal panel supporting the worm gear. 

Do you know if both types have the same internal parts apart from fork construction? 

Peter

[Sheffield Col]

Quote

 

To be Honest I don't know, but I know a man who does. But I know the all plastic one is an early model but not sure when they started using Aluminium Forks.