Question about Hitachi 50SBX78B 50" Rear Projection Television

2 Answers

No power was watching my tv and the power just went off. It won't come back on

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  • Jakd Mar 13, 2008

    My power went off too. If I unplug the unit then plug it back in I see green lights on the circuit boards for about 15 seconds and the power light is on in front then it all goes off again.

  • loogan Aug 25, 2008

    green lights dim then one of them flash and click .their is also red light flashing even after green lights stop flickering.

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2 Answers

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  • Hitachi Master
  • 3,459 Answers


You can get the parts from www.TvRepairKits.com. They have put together a kit that includes the parts and instructions to fix the following models (50UX58B, 60UX58B, 50UX58K, 60UX58K, 50SBX78B or 60SBX78B). The kit includes the  pico fuse and the capacitor that frequently causes the shutdown. 

Posted on Nov 02, 2008

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  • Master
  • 1,153 Answers

You need to check E991, E994, Q777, for more info ctechnicians.com

Posted on Jan 09, 2008

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1 Answer

I have a VIZIO VF550M LCD T.V. I was watching T.V. and it went off and won't turn back on. What can I do to fix it?


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Why won't my TV turn back on even manually??


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I've owned for approx 3 yrs. Today I was watching a show on my Panasonic TH-50PZ80U and all the sudden the sound went away. From the lowest volume setting to the highest, no noise at all...Please...


Hello!
First move: unplug your broadcast provider's box, wait for a minute, then plug it back into power source. I mean: leave all the connections intact, just unplug from power source. It might be just power cord or power adapter. If that's not the case, please do the same with TV. Unplug it from wall outlet, wait a minute, plug it back in. It's a next step, if your "box" won't take care of the problem. If that won't take care of the issue, refer to owner's manual for "reset" procedure. Worst case scenario: you might need to replace main board inside or your TV.
good luck,
Thanks,
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1 Answer

TV SHUT OFF WHILE WATCHING. UNPLUG AND THEN PLUGED BACK IN. RED LIGHT CAME ON IN FRONT FOR A SECOND AND WENT BACK OFF. TV WILL NOT COME ON.


power in the tv has nothing related with the DVD. The tv has to have raster (white screen) even without signal (cable, DVD, others) if the tv alone is just having the led flashing and neither sound nor video (black screen) The tv has a short circuit in some of the boards that are part of the tv system. the blinking is part of a protection when the tv was created in the factory. Refer to the technician to repair this problem.

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1 Answer

While watching TV screen went blank. Voice stayed on


the photon charges at the back of the tv might be damaged, try to take it in to be repaired if not i suggest u buy a new one, please, please, please do not take it apart to fix it urself, alot of bad burns have happened to people who try to fix plasma tv's.

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You have a short somewhere in the load for the power supply. Probably the horizontal output transistor and the flyback transformer. You need to have it checked out by a tech. You may want to get an estimate. Stargazer

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