Theory of operation
I/O board (4 ch
annel models)
The I/O board provides USB ports (Host and Device), an Ethernet port (LAN),
and an Aux Out trigger output connections.
Front-panel board
The Front Panel board contains a microprocessor that reads the front-panel buttons
and contro
ls, sends this information to the processor system on the Main board,
and controls power to the Main board. The Front Panel board also generates the
probe compensation output signal and controls power to the Main board.
TBS2000 Series Service Manual 2–3