Question about Hitachi 51F59 51" HDTV Projection Television
Have a crosley projection tv and my son was playing the wii on it. after about 30 minutes of playing the tv made a sound like a surge protector turning off or a curcuit breaker popping. I can access the menu and it looks normal(has red green and blue colors).When you change the channel you can see static. Have cable plugged in and rcas plugged in and the tv does not seem to detect them.
First open the tv cover and chek the wire on main board connect the same other wise replace
Posted on Jul 19, 2013
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Posted on Jan 02, 2017
SOURCE: hitachi 52 projection tv
use the advanced options page and reset the factor blue and red convergence defaults then do re apply the auto color defaults color at first it seemed very red (which is good because red was the missing factor in the green picture) but after reseting all the color and tints to the normal ranges I then reset the color auto correct again and all seems fine.
Posted on Dec 05, 2007
If the convergence is off more than 1/2 inch or so you can't adjust. you have a failure of hardware. most likely the output IC. This set has 2 outputs for convergence. Each output contains 3 circuits, Six circuits altogether 2 red ,2 blue and 2 green. The normal customer adjustment will only alow adjustment of blue and red. They should be converged onto the green. There is a much more complex adjustment in the service mode for Geometry and convergence. These adjustments are only needed when you replace a failed componnent like the output ic. These ICs have been upgraded several times since the production of this set. The latest and most powerfull version is STK394-160. If feel up to it I suggest changing both outputs and the corresponding output resistors. Then do a complete geometry and convergence alignment.
Posted on Apr 16, 2009
So is the green color on the screen bowed an equal amount across the screen or does it get worse toward the edges? It may be a convergence problem, but let me know what you see.
Posted on Jun 23, 2009
This model uses two convergence IC's----if 3 D one or both are bad.
Most of the time this set uses either two of the STK-392-110 OR THE STK-392-150 CHIPS.
Both chips and any bad protection resistors around them need to be replaced and the set adjusted.
If you are able to do the repair yourself total parts cost will be under 30 dollars.
Some history for you:
This set like all rear projection tube type sets uses two chips---the ones in your set are Black in color--about 2 1/2 inches wide X 1 1/2 inches tall and are on either one large or two smaller heat sinks with fins on them.
When the chips are installed a white grease called heat sink compound is applied to the metal back of each---the grease transfers heat from the chip quickly to the metal it is bolted to.
After some years the grease dries out from the heat and one of the chips goes instantly.
You can buy a pair of the chips for your set on Ebay for less than 15 dollars plus shipping--
If you cannot do the repair yourself--shop around your area---most shops charge 300-400 for this type of repair. Whoever you get to do it make sure BOTH chips are replaced or you will have the same problem in a few months.
If you open the set and locate the chips---they will have the full STK number printed on them in white letters----there are about 12 resistors around them that need to be looked at--if any are discolored they need to be replaced.
If a shop says it HAS TO GO TO THE SHOP keep looking as any good tech can do this repair right in your home in about 1 hour---I know as I have done hundreds of them.
IF you can solder and are handy I will give you general instructions on how to do the repair and what you need---some people I talk to can either do it or have a friend who can do it for them---let me know
I can tell you what you will need aside from the parts and how to proceed with the fix---
If all this helped rate this solution---I do this here for free.
IF YOU HAVE ANY QUESTIONS OR NEED ADVICE LET ME KNOW--I am here to help people.
Regards, SD TECH
Posted on Oct 30, 2009
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