Question about Hitachi 46BX01B 46" Rear Projection Television

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Hitachi 50UX15K Television Picture is Very blue and very red

Our TV looks very red and very blue and almost dark. We can hear the volume fine. What could it be. I have reset all the settings and convergence to original settings. Thanks!

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  • Expert
  • 318 Answers

The television has to be worked on, there only two componants which can contribute to that. the screen is about to finish or a mixer stage is gone.thanks

Posted on Mar 19, 2009

6 Suggested Answers

ctf1800
  • 4402 Answers

SOURCE: shadow around objects in picture...shadow is bluish

KIT10 $29.50
Repair Kit for Hitachi convergence Chassis DP-14G
KIT10 Includes 2 pcs STK392-150 , 1 each of the following 1W axial lead fusible resistors:


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Posted on Dec 05, 2007

  • 18 Answers

SOURCE: Hitachi 55VG825 rear proj television blinking light and screen doesn't light up

Refer to owners manual ! Blinking indicates the type of fault that is occuring on all your tv sets. example : power light on red - indicator light beside it green but blinks rapidly for half a second rapidly then shuts off. This refers to a faulty lamp or a lamp that is near its expiration. Read your manuals if indicators refer to easy repair sweet, but if it says call tech then bummer...

Posted on Jan 05, 2008

  • 2 Answers

SOURCE: Hitachi 51F59A Color/Dark problem

Could be the blue CRT shorting out. I had the same problem but with red. Eventually it shorted out completely. If it is only 2.5 month old it should still be under warranty and they will fix it.

Posted on Feb 27, 2008

freetek
  • 5568 Answers

SOURCE: Hitachi model 57F500A

Your unit uses a Cathode Ray Tube (CRT) for each color.
Since you didn't say that it was a gradual change, I suspect the CRT filament has failed open rather than a slow death of internal emissions.

Considering the very high level of light asked of these CRTs, I am amazed they last as long as they do.

The replacement and almost certain necessity of initial alignment and color balance, this is beyond DIY possibility and is likely going to be fairly expensive.

After 5 years of use, the other CRTs are somewhat (if not a lot) degraded so don't be surprised when a tech advises replacing them all and I think it may not be a whole lot less expensive than replacing the set although looking at the specs for that set indicates it is not obsolete by any means.

Posted on May 21, 2008

  • 2 Answers

SOURCE: hitachi television repair

The convergence ic's need to be replaced. There may also be several resistors in the same area that are burned and need to be replaced.

Posted on Nov 25, 2008

SD Tech
  • 14553 Answers

SOURCE: Hello: I have a 53" Hitachi Rear Projection

This model should use two of the STK-392-150 CONVERGENCE CHIPS---(some use 392-110 chips--both are the same but the 150 chips are higher output and last longer) both chips and any bad resistors around them (most are low value and easy to test) will need to be replaced and the set adjusted.

If magic focus will not correct the problem---the chips are bad.


This can be a do it yourself job if you have some skills; I can tell you everything you will need and how to do the repair (TOTAL PARTS COST FOR A PAIR OF THE CHIPS ETC ON EBAY WILL BE UNDER 25 DOLLARS) AND this is much less expensive than what any shop would charge you.

I have done over 1,000 repairs of this type and know from hands on experience what is needed and how to get the best results.

Let me know by responding to this post if you have questions and if this solution told you something of value rate it as "very helpful" as I do this here for free.

REGARDS, SD TECH9a97cfb.jpg

Posted on Aug 11, 2010

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1 Answer

Hitachi 53udx10b screen is dark, very blue and red. there is a red wave across the top of the screen. there is a blue "ghosting" of any text on screen.


The tv have a problems known as a convergence picture problems,it is dead.Tv set have any colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?Yes,than the tv convergence board it is dead to causes all these problems.Now the tv set convergence board must have to be repair like replacing 2 STK convergence ICS and some or all of it resistors too.To fixed the tv set convergence board to solved the tv set convergence pictures promblems.The tvs shops will cost u like $300-350 for parts and labors.

Aug 18, 2011 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Dark Picture no brightness


Sorry But your TV is Not DLP,it is projection it has 3 Tubes Red/Green/Blue Deflection Board for this
TV cost $508.35 {Encompass Parts Distrubtion} Has the Boards for this TV 1-800-638-3328

Jan 21, 2010 | Hitachi 51F59 51" HDTV Projection...

1 Answer

TV picture is red.


Normal color picture is composed with 3 colors R-G-B (Red-Green-Blue). Picture turns Red means: Missing Green and Blue colors (many reasons: bad contacts, projector tubes dead, and other...). Try to give some "tabs" to diagnose ... I don't know what is the type of your Projection TV, how long you owned it, to have more idea.

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1 Answer

Blue shadows appear to be behind white objects


TV shows large red spot in middle of tv when dark show are on, you can see it more.  Now blue spots on upper right side too.  Spend way to much on this tv to have these kinds of problems only after 3 yrs.

Nov 16, 2008 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

Hitachi 53UDX10B 53 in


the picture turns blue because the blue crt stop working you 'll need a tech

Aug 02, 2008 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Picture is dark


Pull the back off and tap on the deflection board. Does it get brighter? If so, you have a bad connection and or cold solder joint.

Dec 07, 2007 | Hitachi 46F500 46" Rear Projection...

1 Answer

Dark picture


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.

Nov 13, 2007 | Hitachi 53FDX01B 53" Rear Projection...

2 Answers

No Picture


Did you have color problems in past? Most of these sets have convergence problems. Amps goes out. But you should have seen some type of distortion from color, red,blue, green. If no color problems then maybe vertical ouput out or horizontal output bad.

Sep 09, 2007 | Hitachi Director's Series 65XWX20B 65"...

1 Answer

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.

Jan 22, 2007 | Hitachi 50V710 50" Rear Projection...

1 Answer

Dark picture


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.

Sep 21, 2006 | Hitachi 53SDX01B 53" Rear Projection...

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