Hi Jeff,
I had an indication problem on my 5500 many years ago....
I opened the rotor and discovered that there was a cold solder joint on of the pot contacts...a proper solder joint solved the problem...an easy one to check first......
I'm having a problem with my 5500 after a thunderstorm. What is happening is that the rotor works manually, but doesn't display az and el information on the control box. Also when I try to use computer control it goes all the way to stop in both azimuth and elevation. I'm thinking this might be in the control box, as both az and el are doing the same thing, the control box being the single point of failure. Did anyone ever have this problem? How can I diagnosis what chip might be at fault without a schematic. I vaguely remember having this same problem after a close lightning strike with my prior az el Yaesu box about 14 years ago but don't remember what chip I swapped out, or how I determined which one was at fault. This getting old thing really sucks. Any help would be appreciated.
73 Jeff kb2m
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73, Dave, WB6LLO dguimon1@san.rr.com
Disagree: I learn....
Pulling for P3E...