Long story short - I have this model and it quit working last week. My sister had one as well, that guess what quit working a while ago. After unsuccessfully trying to fix my blinking power light prob on mine, I took a look at hers and it had a blown fuse at the power connection. I replaced it w/ the one from mine and it blew immediately. Any ideas on this? I have unlimited parts from the other as well as a flyback that I purchased for mine that didnt solve my problem.... Please put this in as simple of terms as possible as this is the first time I have ever tried such an adventure.
- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
You have a bad flyback transformer. This is a common problem that eventually goes bad in the ITC 222 chassis. You have to get the model number with the code at the end of it after the /. And sometimes you must have the numbers from off the flyback itself. Try to contact MCM electronics for the flyback at 1-800-543-4330. First see if they can match it with the model number with the code after the /.
Thats usually caused by a shorted HOT transistor on the Deflection board or bad diodes on the AC input board ( where the fuse is ) you can get replacement boards and tech assistance from www.tvrepairworld.com
does the front led flash. if it doesnt then you may have a primary power problem.. the fuse may have blowed,., this ussally means other componets have shorted IF the led flashes then you have a processor shutdown
The typical power input involves a small line filter, fuse, inrush current limiting resistor (1.2 - 2.8 ohms) rectifier bridge, filter capacitor(s) and a 120 volt regulator. All located quite close to where the power cord connects. If there is one diode shorted in the bridge, replace all four if they are discrete. The fuse and the resistor may both be open, depending on the level of damage. Make sure the input and output of the regulator are not shorted together. Even if you get the set to come to life, the tuner may be toast, as the antenna connection and power line serve to be the entrance and exit paths for the damaging energy. Respect the high-voltage section in the TV just as you do with the monitors.
If you find my suggestions to be helpful, please share with us some details so that others may benefit from knowing the whole story. Thank you!
If the convergence is missing in the menu in screens,you have a bad reg ic on the convergence power supply the part number is 215530,the power supply is located on the black plastic above the right module with all the heat sinks
yes maybe ...but he made problems alot worse bypassing your fuse, the fuse is there to blow if you have a short and not harm other components.
my guess is that he damaged your power supply and then fixing that youll still have the orginal problem.
I think I was the only tech in Houston that could troubleshoot. Sad, but very few good tv men or big screen. we trained are outside guys not to touch much but do slight adjustments and bring it into shop if you dont have a clue and they make some story up to the customer.
When you turn the tv on all the voltages come up for a second but the power supply is sensin a problem and it kills the high volatge and other voltages.One of the voltages the supply sends has a short.The tv needs to be service because components need to be checked and then replaced. Be safe and Seek the help of a technician to diagnose the problem.