Technical Notes

A collection of articles on various topics. Usually these will be notes written up after some research, with the intent of summarizing some results that could be interesting to a possibly small collection of curious people.

Also be sure to check out our YouTube channel for technical dives, repair tutorials, and more:

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LX200 Classic
How to find and replace the 5 imperiled capacitors on the LX200 Classic
Byte-by-byte details of messages between the LX200 hand controller and telescope.
How to determine the software version of the LX200.
Schematic of the DEC wiring from front panel, through the fork, and up to encoder board.

LX5 Drive Electronics
Schematic diagram of the wiring behind the LX5 front panel.
Schematic diagram of the PCB in the base of the LX5.
Schematic diagram of the LX5 hand controller (keypad).