Method for checking abnormal operations of video cassette recorder

摘要

The present invention relates to a video cassette recorder (VCR). The present invention decides the mode conversion of the VCR by checking the mode switch signal and displays the mode error data in the abnormal mode conversion, Also, the present invention decides the operation state corresponding to each mode by using the reel pulse and drum pulse and displays the error data if in an abnormal state, thereby informing the users whether the VCR is normal or not.