Questions & Answers for: chopper transformer sony television

...chopper transformer it will usually have at least 2 outputs one is HT ,about 95v to 115v for 14" to 115 to 150v 28" screen and the other LT will be about 10v to 20v if HT very low then check for ...

...if they dont switch on ,there is a problem with power supply, ie lop transformer oif chopper circuit,needs toi be repaired due to LETHAL HIGH VOLTAGES INSIDE MUST BE TAKEN TO COMPETENT

...set that you have a short circuit diode in the secondary side of the chopper transformer..or your line output transistor has gone short circuit. Either way your powers supply has a shorted load on

CHOPPER TRANSFORMER AND H-OUT(HORIZONTAL OUTPUT TRANSISTOR GETS TOO HOT)...... I REPLACED H-OUT(D1876) WITH D1878.... AFTER REPLACING I SWITCH ON MY TV SET THERE WAS A PICTURE BUT THERE WAS NO SOUND..

...Chopper" transistor frequently "Blows" then Indeed it may be the FBT. You need a FBT Tester, basically a high voltage source, that tests if the FBT is breaking down under load. You can sort of test ...

...CHOPPER TRANSFORMER The SMPS sounds as if it is OK. The line output transistor has probably failed and maybe the transformer. Before leaving it as repaired, check the tuning capacitor across it and ...

...transformer, that the correct part number is ordered and fitted for your model - using the wrong type can either be underpowered, resulting in a dull picture, or no picture at all, or the set simply ...