I have the Hitachi 43FDX10B 2001. When the tweeping sound began I noticed there was no picture. This happens when I am turing the TV on. After awhile of this happening if I were to turn the tv ON then OFF at a
rapid pace the thing would come. That was ok for awhile but now the ON/OFF repeated action does not work anymore, so now all it does when I turn it on is tweep like a bird. I need help. Please. Someone give me the answer.
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Do you have a cable box which turns on and off with the tv? If so is your cable box input on the video 4 mode? If that is the case look under the video menu for advanced selections, you will see a selection for auto/on/off for video 4, select off. Check manul under video and it will explain also.
I am about to say something that may sound stupid but it sounds like you are experiencing this. After years of use you CRT guns in your case the gun in each one of your CRTs(RGB) begins to oxidize and decrease in its ability to provide electrons for the scaning beam this creates a dark picture.
Common problem? yes, over time, but for it to happen in just six years is strange but it can.
Major Problem to have repaired? No, the technician will use a CRT rejuvenator on all three of your guns and then balance them and you are off and running.
Now the other problem that might be occuring low CRT anode voltage. this could happen.
Common problem? yes, it is the best choice
Major Problem to have repaired? yes and no depending on which components are bad.
You apparently have a high voltage arc.
Possibly the anode lead to your picture tube.
Also the flyback transformer could be arcing.
If you're not experience with tv repair, you need to have a tech check it for you. The circuits operate at very high voltage and if you get into it you can get a possibly fatal electrical shock.
Be careful !!!
It seems your set has a loose conection in the high voltage circuits,in fact by now it should have many loose conections in different areas like the power supply and the horizontal deflection circuits,if you are familiar with tv service you can use the information as the first step to take,some of the loose conections are hard to see even for the trained technician but the one giving you this problem should not be hard to see,if you are not too familiar with tv service be safe and call for assistance from a servicer a least for an estimate.
Sounds like a problem in your VCR IF what your saying is when the screen goes dark and you turn off the VCR then the screen on the tv returns to normal?? Does this happen with the vcr on and the tape not playing?? No Ok you have a problem in the video processor Ic or the circuit but most likly the IC as Ive seen this already twice in a toshiba VCR. No if it happens even when the VCR is on but the tapes not plying and the vcr is sitting, and the screen fades The problem is the on screen disply IC in the vcr. seen this a dozon or so times already. Vcrs no a days are not worth the money to invest Unless you got a really good one from the past, BUT you can by a good on for these times for well under 100 bucks . Good Luck