Hi I have bought this television approx 3yrs back from M/s. Navrang Electronics, Laxmi Nagar, Delhi and had problem of switch off in july 2009 and it was serviced by your authorised dealer HI-Tech of Ghaziabad by taking it to their service centre as their engineer could not locate the fault. I was delivered back my set by paying about Rs.3800/=towards replacement of parts and service charges. Now, again this problem started of auto on/off and engineer of HI-Tech has not opened the set to locate the fault and again want to take set to... read full review »