http://groups.yahoo.com/group/LX50/ Meade LX50 group Sun, 31 Jan 2010 15:25:43 GMT eric http://groups.yahoo.com/group/LX50/message/3976 http://groups.yahoo.com/group/LX50/message/3976 I remember the feeling only too well. This should do the trick! http://www.astrophotos.plus.com/lx50driverchip.html Eric Chairman Highlands Astronomical Sat, 30 Jan 2010 10:10:57 GMT Jean-Luc DUHAMEL http://groups.yahoo.com/group/LX50/message/3975 http://groups.yahoo.com/group/LX50/message/3975 Hi, There is no reference chip replacement... sorry! However, there is a lot of posts on this list about this problem. Someone on this list had found a fix to Fri, 29 Jan 2010 22:32:41 GMT Simon Allen http://groups.yahoo.com/group/LX50/message/3974 http://groups.yahoo.com/group/LX50/message/3974 Hi, If you can give me 24 hours I think I may have the chip you want. I need to have a look in my spares. If you don't hear from me in 24 hours then do post Fri, 29 Jan 2010 22:21:32 GMT Gerald McKeegan http://groups.yahoo.com/group/LX50/message/3973 http://groups.yahoo.com/group/LX50/message/3973 Sadly, there does not appear to be a replacement chip. The UDN2993b chip is no longer made. There are newer control chips on the market, but their specs are Fri, 29 Jan 2010 20:29:21 GMT ratcrud http://groups.yahoo.com/group/LX50/message/3972 http://groups.yahoo.com/group/LX50/message/3972 I need to find a replacement udn2993b chip. mine blew when my son plugged in the wrong power cord to the scope. if anyone knows of a cross reference chip that Tue, 26 Jan 2010 19:00:24 GMT ratcrud http://groups.yahoo.com/group/LX50/message/3971 http://groups.yahoo.com/group/LX50/message/3971 pics of my mods are under lx50 hand controller mods. in the photo section I am not responsible if you damage your scope electronics this is just what i did to Tue, 26 Jan 2010 18:52:25 GMT ratcrud http://groups.yahoo.com/group/LX50/message/3970 http://groups.yahoo.com/group/LX50/message/3970 1st thing I do when that happens is check my power supply. the 110v is not a steady flow in my area and power surges cause it here in East texas. also if your Tue, 26 Jan 2010 14:43:04 GMT jproven1@... http://groups.yahoo.com/group/LX50/message/3969 http://groups.yahoo.com/group/LX50/message/3969 Hi. I have a question for you...I have the LX50 on a LX200 mount. The other night after a few hours of observing the unit shut off and then turned back on Tue, 26 Jan 2010 13:46:45 GMT ratcrud http://groups.yahoo.com/group/LX50/message/3968 http://groups.yahoo.com/group/LX50/message/3968 just a comment to everyone about the hand controllers in the several i have owned i have found that the touch pd on all of them is what has gone bad. it is a Tue, 26 Jan 2010 13:10:32 GMT rich.annett@... http://groups.yahoo.com/group/LX50/message/3967 http://groups.yahoo.com/group/LX50/message/3967 Hi Jean Luc I will e-mail you now and we can take this matter offline. regards Richard Mon, 25 Jan 2010 12:02:35 GMT Jean-Luc DUHAMEL http://groups.yahoo.com/group/LX50/message/3966 http://groups.yahoo.com/group/LX50/message/3966 Yes if you want. I don't need it. best regards, Jean-Luc DUHAMEL 12, All?e Lacaze 26700 PIERRELATTE http://jlv.duhamel.free.fr Mon, 25 Jan 2010 10:18:11 GMT rich.annett@... http://groups.yahoo.com/group/LX50/message/3965 http://groups.yahoo.com/group/LX50/message/3965 Hi Jean-Luc Did you sell that LX50 hand controller? regards Richard UK Fri, 22 Jan 2010 13:25:44 GMT eric.sweitzer http://groups.yahoo.com/group/LX50/message/3964 http://groups.yahoo.com/group/LX50/message/3964 good info, I see now what you mean. I am going to try to put a new end on it. we have the tool at work in our IT dept. just to double check, looking at the Fri, 22 Jan 2010 01:31:12 GMT lx50nut http://groups.yahoo.com/group/LX50/message/3963 http://groups.yahoo.com/group/LX50/message/3963 Well if the connector is in fact a RJ type connector you DO NOT strip the wires. You do remove the outer jacket however. They are crimped into place using a Fri, 22 Jan 2010 01:20:37 GMT eric.sweitzer http://groups.yahoo.com/group/LX50/message/3962 http://groups.yahoo.com/group/LX50/message/3962 I contacted teh seller who said he put a new "male" end on the control box and he said he thinks he didnt get it right....so when I got hone I examined the end