ViewSonic 40" N4050W Model VS10657-1W Power Supply Board 

Part No: 0316D02240

All parts are pulled from working machines, tested on working machines 

We DO NOT accept exchanges or refunds for the following reasons.

You as the purchaser of the part are accepting the role of the technician in properly diagnosing and installing the part and we do not know your qualifications as such.

Be sure you are purchasing the correct part.  NO RETURNS

Please Note: We record all serial numbers to discourage fraud

Please make sure this is the correct board you need before purchasing as there can be different part numbers used with the same model number