Sony Bravia 55" Double image / Image Flickering ( CKV - Clock Vertical Signal ) LED Panel Repairing
Double Image fault solution through CKV, CKVB and STVP Signal Cutting. What is Ckv CKVB STVP in LCD TV? Pulse-pulse CKV, CKVB, STVP used as pulse “Row driver” or also called “Gate – driver”. … What is CKV in LED TV? The CKV signal detection circuit comprises a first LED, a second LED, a first light sensor, a second light sensor and a judging module. A node between the first LED and the second LED is used for receiving CKV signals output by the control panel. What is pair a signal ? Pair signals mean after the level shifter section we will get the separate output like CKV 1 , CKVB 1 and STV 1. before entering to Gate Driver IC [ COF ] these three signals are synchronizing each other its called signal paring. depending on COF ic this pair will be increase or decrease. example single COF IC is available in scalar board single pair signal only available (ckv 1,ckvb 1, stv 1) ckv is a positive pulse and ckvb is a generally negative pulse. CKV SIGNAL Other Names COG, Gate driver and Panel