Questions & Answers for: change voltage led tv

...led's turn on,(on the board)if they turn off there is a small blue high voltage cap hidden under glue(i believe it's a 102 cap)that would be the one change,99% of time that is what will fix ...

...voltage go to horizontal section your tv is automatically shut off because defected HOT,,you change this transistor ,so performance will better again ..find a tv repairman to do the works in changing ...

...voltage) then the convergence Ic's may be bad---look for any discolored resistors around the ic's---one way to tell if it is a convergence ic is to de-solder both ic's and see if the set turns on(the ...

...LED at the front) in almost no way except possibly in case of a dead short when the power board may detect it and shut the whole TV off.You can disconnect the inverter from power and I bet you the TV ...

...LED assy to fix it. B. If the voltage is not there or low, then measure the voltage on Pin 1 & 5 on CNM805, the voltage should be 12-13V DC, if the voltage is right, the power supply is bad, ...

...LED TV. There is a single thin vertical line on the screen. I have changed the LED/Power Supply board and LED strips. What might be causing the vertical line? You have wasted your time and money. The ...

...voltage to determine too much load and shuts down . I am surprised you do not see a flashing LED pattern but this does not mean that the condition was communicated to the ECU . That is a lot of tubes ...

would look at testing the led strips them selfs but if you have never done this before i would recommend taking it to an engineer but if the voltages are not ok change the power board. Hope this helps

...voltage it should either be 3 to 5 volt and go to about 1 volt or be close to 1 volt and go to 3 to 5 when you push the power button, if you see that change then test the other voltages. if they are ...

...change them. Any advice would be appreciated. Thanks D Take off the back and check the high voltage circuit - should be 390 volts and.higher. There is a check on the voltage by the power board and ...