Not knowing if you have a voltmeter and or know how to check I would suggest look at the led lights on the board. Sd Tech Answered on Aug 16, 2011 There's a good chance you have failing electrolytic capacitors either in the power section or the inverter section or both. This tv does also have a problem with Q777 going bad. If you watch the third video, you will see that even someone with no soldering experience can perform these repairs as demonstrated by the woman in the video. A great parts source is Digi-Key, and you can order the parts online at www. This must be done by a tech.
You may even see halos around images. Go over voltage if you can, and still have them fit. Here are more details and solutions for both. I've picked up several used Sony and Mitsubishi sets for nearly free that had this problem. I suspect this set might have a common problem---I would have to dig the disc out to be sure----some of these have a small blue High voltage cap that pops you might not hear it go and with it goes a pico fuse---its 2 amp and it will among some other things kill the set except for the power light. Got a red led lit on the board? Sometimes you have to do the opposite to start it up and unplug it for some time and then try again.
The parts usually arrive one business day later. If Q777 is bad the horizontal circuit needs to be modified. Answered on Feb 17, 2015 The flashing red light means that the tv is in protection mode. Sounds like one of your convergence amp chips have gone out. You can buy the chips from several vendors, or kits.
Here are some pics of convergence problems. Most of the caps that go are 10V 1000uF or 3300uF. In yuor case, most likely the power section. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. The parts are cheap, and skill required is minimal.
Answered on Dec 27, 2012 I know this set pretty well, in fact I think I have the service manual on disc---have about 200 of these sets on disc. . The most common problem for Hitachi are the convergence output ic's. Match the capacitance on the capacitors. The red one should be lit and the green ones should light when set is turned on; primitive self check as each green one is tied to a voltage in the set's internal power supply.
If you aren't tech savvy, don't worry, read the rest of this solution and watch the videos. Let me know if I can help. If you have a working remote also call up Menu to see if on screen menu is working, if it shows the cap mentioned is good. I found some great videos of the procedure for many Samsungs with the same issue on youtube. I can make some suggestions if you have some mechanical skill etc, I never know how much a person has who posts a question here. Usually when an electrical hit parts at the in to the power supply get taken out.
If you repeatedly turn it off and on, eventually it'll probably stay on, but every time you turn it off, the unit will get harder and harder to start up until one day it just won't. When its out of alignment the video will look , wavy, distorted, etc. . . . . .
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