Troubleshooting a Orion AccuFocus electronic telescope
Contents
1. eOrion 80mm ED Refractor telescope eOrion 100mm ED Refractor telescope eOrion 120mm ED Refractor telescope FAST SLOW Ww ii A yY ORION AccuFocus Electronic Focuser 1 3 Here is a schematic of the Orion AccuFocus hand controller A k N i VWF taf Lh BAtL aik Om 4 2 2 V Aer A Replaced potentiometer 1kOhm linear 2 3 Here are some pictures of the hand controller 4 E i r i ia lts Liki WA gt Ohir P 2 rir ma d ii b f aiia a l p l f al i If you have any questions please feel free to contact me at ddlus at amsat org Best regards Matthias www ddlus de 3 32. Troubleshooting a Orion AccuFocus electronic telescope focuser Matthias Bopp December 18 2010 A friend of mine had experienced problems with his Orion AccuFocus unit and I offered help He sent the hand controller to me and I found out that the potentiometer which determines the speed of the focus motor was no longer operating properly As I did not find the exact replacement potentiometer I inserted a slightly different version and as I already had opened and inspected the unit thought I will document the schematic and inside of the focuser in case anyone else might need this information in the future AST SLOW ii A h ORION AccuFocus Electronic Focuser Here is a short description of the Orion AccuFocus Electronic Telescope Focuser eUse the pushbutton hand controller for smooth precise focusing without vibration eChoose speeds from coarse to very fine ePowered by one 9 volt battery included e Also includes bracket hardware and coil cable eDC motor installs easily and works with many telescopes eOrion SkyQuest Dobsonian telescopes except the Orion SkyQuest XT4 5 Classic Dobsonian Telescope eOrion SkyView Pro telescopes except for Maksutov Cassegrain and Schmidt Cassegrain telescopes eAll Orion AstroView telescopes eOrion Atlas 8 and Orion Atlas 10 Reflector telescopes eOrion Explorer 80 and 90 Refractor telescopes eOrion ShortTube 80 Refractor telescope eOrion StarSeeker 80 and StarSeeker 100 Refractor Telescopes
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