Question about Hitachi 53UDX10B 53" Rear Projection Television

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Power up Problem

Can you guide me in the right direction, I have Hitachi TV that turns on automatically after a power failure in the home. Also I am now experiencing an intermittent problem which I believe is associated with the first problem which is that the when I go to turn on the TV the red power indicator light turns on but there is no picture or sound.

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I think this is your problem
The convergence board needed to be "rebuilt" (lots of cracked solder) The ICs were shot as were several resistors.
this is how to fix it.

Posted on Dec 11, 2007


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Posted on Jan 02, 2017


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Tries tv unplug,replug it back like about an hour later.By letting the tv restting itself back to the factory setting.Now tv should be working again.If it have the same result.Yes,the power supply board is the problems and the causes.That the board,where the power a/c cord plug into it.Try website like to buy a whole refurbish power supply board for the replacement.

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Good Day, david375;
There toooooo many things in the TV that could go wrong, so it's hard to determine what wrong. The avg cost is about $550.00 For some one to come to your home and repair it there.
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Blinking lights indicated any component failure in the TV .

You can also try a hard reset: Unplug TV from AC mains and remove all cables from TV. Wait about 30 minutes and replug to AC power and redo the cabling. Switch on the TV and see if it works..
If its within warranty Please give to the company.....
If you would like to attempt a DIY, you will need a service manual to guide you. You can find one here:

Good luck..

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Is the adaptor that you have switchable? If so, flick the switch in the
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1) Convergence amps failed overloading the supply (See if you can disconnect them)
2) High Voltage circuit has died. (Right on schedule since your TV is 10 years old)
3) One of the CRTs has shorted
4) The power supply itself has died (Is there a lot of dust covering it?)
See if you can isolate the failure by working down the list.
Hope Ya Fix it!

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Press the reset's on the bottom to the right (underneath the TV). Same thing happened to me.

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Several runs had bad display panels, but other failures can cause a shutdown condition. There is a fuse in the power supply that must be removed in order to determine the failure by checking voltage at the fuse socket. I suggest you find a local authorized Hitachi servicer to continue. This is not a simple fix.

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