Parallax 7300

[lejeep]

Hello to all the community,
I have had a 2003 RT popular for about five years and I just realised the old converter never worked.

I know it's not the greatest unit, but me being stubborn I decided to repair it as an electronics project.
I have committed over $100 in parts with no success so far.

I am no expert but I believe the unit should be working by now.

Since the schematic is unavailable, if someone has worked or replaced one, I would appreciate if you could post some pictures of the board.

Reason is that I think the previous owner(unavailable) got in there and replaced some components with substitutes not compatible with the unit.

Many thanks!
Daniel aka Lejeep

[DSS]

If you can wait until tomorrow I can take a picture of the circuit board from the non functional unit pulled from my 04190, should be the same unit and has never been serviced.