I took my 8" LX200 GPS out of its box after several years, but was rather disappointed when it wouldn't power up.
In fact, the red LED does come on, and the handbox does briefly beep but that's it. I made up an RS232 cable and I couldn't get anything from the main unit, which suggest the main board to me.
Are there any common faults or things that I could check? I'm fairly handy with a soldering iron