VIDEO PICTURE QUALITY ADJUSTING DEVICE

PURPOSE:To freely adjust the picture quality of a video in respective bands and to obtain a desirable picture quality by adjusting the frequency characteristic of a video signal for respective bands and displaying an adjusting position. CONSTITUTION:Up keys 5a - 5c and down keys 6a - 6c are operated by viewing a reproducing screen for respective bands of high, intermediate and low by a remote controller 4 in order to adjust the frequency characteristic of a brightness. An infrared transmission ray from the remote controller 4 is received by a remote control light receiving part 11, decoded to a digital control signal in a decoder 12, guided out to a control circuit 14 and processed, a gain control signals for respective bands is changed to an analog control signal in D/A converters 14a - 14c and supplied to the gain adjusting input of respective frequency characteristic adjusting circuits 10a - 10c. Displaying LED groups 3a - 3c light correspondingly to an adjusting level by the output of the control circuit. Thereby, the fine picture quality different for every video source can be obtained by an adjustment.