the problem can be overcome ... and successfully TV the Polytron

after all the area of ​​tr 1023 and surrounding areas is safe. he said to send off the foot 1 ic ka70, in the open indeed no longer blank blinking screen. But the problem is the menu sometimes doesn't work.
Check the check again while thinking, surely 8 and 5 v problem. Found the voltage which should be 8 only 6v left and drop. While before passing r38 ohms and the 10v diode is safe. Try replacing the diode, re-measure the voltage after the diode is safe at 8v. Try turning on and successfully the screen returns to normal. Early damage came
Sometimes when the TV is turned on it can be normal for a few minutes, then the blank screen blinks and blinks.

U_Slim polytron 21r