Mere sony crt tv 21 inch ( kv-j21) may no picture both from tuner or av inputs but osd and sound ok. High brightness from remote may kuch tracing lines aa raha hai. ABL voltage 20v ac not changed. ABL pin ka as pas all resistors , zener ok. Heater voltage 4v ok. 200v B+ ,1000v G2 ok. Also in picture tube base RGB voltages. But EHT focus and screen presets are not working on tv screen or EHT terminal voltages. Only -15v ac output pin in EHT supplied to vertical ic is pulsating. Fault kaha par hai EHT or AV Processor ic , Vertical ic or other ?