Sharp LC-40C32U Main Board KD640 / DUNTKD640FM21

Replacement main board for the Sharp LC-40C32U.

As the central control board it routes video input and manages power sequencing.

Cross references include KD640 and DUNTKD640FM21.

Please make sure that #4 is inside the triangle. This indicates the version. Having a TV Part Board that shares the same part number but whose version is different may not work or display artifacts when installed.

Compare these numbers with the label on your old part before you order.