Question about Hitachi 50V500 50 in. HD-Ready LCD Television

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Hitachi 50' big screen TV

Coloring problem please help. A lot of green and red color .And none of the blue or others.

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You have a defective light engine and Hitachi will replace it and they will cover the part. Here's what you need to do. Call Hitachi's customer relations departement at 800-654-7013 and tell them that you have a defective light engine. They will act like they've not heard of this but they have. They will give you the names of some certified dealers in your area to call. Once the dealer comes out and confirms that it's a bad light engine, call Hitachi back and they will send out a brand new light engine directly to the dealer and Hitahci will pay for the part (cost $1500). The dealer will call you to set up a day and time to come out and install.

If you're not still under warranty, you will have to pay for the install. Our install was $400 but others on this site have paid around $200. Please do not let anyone tell you that you have to pay for this part and deal directly with Hitahci. They have not recalled this part but they are replacing it with a brand new one. You just pay the install. Please deal only with their customer relations department at the 800# I listed. Good Luck!

Posted on Feb 14, 2008

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Sounds like your light engine is going out.

Posted on Feb 13, 2008

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1 Answer

Tv works good picture is good and clear sound is good but im only getting blue and red colors??? is that the board? or the green bulb?


That is what happened with are tv. My husband took the tv apart and started messing with everything and got the tv to line up better. he just turned the nobs and messed with the coloring.

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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.

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Hello Mia1026,

First I would suggest that you have a qualified TV technician look at your set because it sounds like your Blue and green CRTs have been damaged in the move. If this is the case they will have to be replaced.
I would if I were repairing this TV:
Check to see if there was physical damage to the CRTs
Check to see if the HV trippler was functioning
Check to see if the CRTs lit when power is applied (on the Green and Blue CRTs)
That would be a good start.

I hope this helps,

Thank you,

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1 Answer

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Good Day;
Suspect Convergence IC's STK4274, part Number 2003191. Replace all three IK04(red), IK05(green), IK06(blue).
Good Luck, big IRISH.

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You have a defective light engine and Hitachi will replace the part. Here's what you need to do. Call Hitachi's customer relations department at 800-654-7013 and tell them that you have a defective light engine. At first, they will act like they've not heard about this problem but they will give you the names of some certified dealers in your area to have come out and take a look. Once the tech comes out and confirms that it's a defective light engine, call Hitachi back at the same 800# and they will send a brand new light engine directly to the dealer and Hitachi will pay for it ($1500).

Here's the deal, if you're under warranty, Hitachi will cover the part and the install. If you're not under warranty they will cover the expensive part but not the install. Our install was $400 but other on this site have paid around $200. Please do not let anyone tell you that you have to pay for this part. Hitachi has not recalled the part but they are replacing it with a brand new light engine for free. Also, deal only with Hitachi's customer realtions and not regular customer service. Good Luck!

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4 Answers

Hitachi 50" big screen TV


You have a defective light engine and Hitachi is aware of it. Here's what you need to do...recently went through this. Call Hitachis customer relations department at 800-654-7013 and tell them you have a defective light engine. At first, they will act like they've not heard of this problem but they are all too familiar with it. They will give you the names of some certified dealers in your area. Once the tech comes out and confirms the problem, call Hitachi back at the 800 # I listed and they will call and confirm with the dealer that you have a bad light engine. They will send a brand new light engine to the dealer (Hitachi will cover the cost $1500) and the dealer will call you to come out and install.

Here's the kicker, if you're not still under warranty, Hitachi will cover the expensive part but you will have to pay the install. Our install was $400 but others on this site have paid around $200. If you're still under warranty, Hitachi will cover the part and install.

Please do not let any dealer tell you that you have to pay for this part. Hitachi has not recalled this part but they are replacing it to you for free...you just pay the install. Also, deal only with their customer relations at the 800# I listed.Good Luck:)

Feb 12, 2008 | Hitachi 50V500 50 in. HD-Ready LCD...

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The convergence ic's, and related components that could'be affected need to be replaced cost to repair 250.00 2hrs job max with alignment this depending on the tech. If you need more help let me know

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