Question about Hitachi UltraVision CineForm 55VG825 55" HDTV

1 Answer

My tv is showing alot of red with blue blotches across the screan

My tv is showing red and blue across the screan...please advise...thanks.

Posted by on

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Hitachi Master
  • 3,459 Answers

Your TV most likely has fone of two possible problems.

Problem #1 - Failure in the convergence circuits. ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem


  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
Here are some photos of convergence problems.

my tv is showing alot of red with blue blotches ac - 3dc9420.jpg

0dcec37.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move them up, down, left, and right.

If you can't move them in all directimy tv is showing alot of red with blue blotches ac - 0667c5f.pngnvergence chips are bad and should be replaced. This is a common problem.

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set thatmy tv is showing alot of red with blue blotches ac - 9e7eb5b.jpgfluid changed. Notice how dull the colors are and how white the screen looks. The screen may also look red, orange, dull, etc.

9e7eb5b.jpgTV set after fluid change. Notice how bright the colors are now. Everthing looks crisp and sharp again.

182c282.jpg



2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

Posted on May 22, 2009

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Blotches on the inside screan of an lg 55 inch tv


Any external damage? Any chance of hit by a ball or some other while children play? If not, try connecting some other input such as a DVD player and see. If you notice the blotch at the same spot again, the display has got into a problem and might have to be replaced, if you really find it irritating.

Aug 16, 2012 | LG Televison & Video

1 Answer

Red dots across the screen


Please check the power supply board, if there is any Pup-Up electrolytic capacitors, please replace them.

May 25, 2017 | Samsung LN-T4665F 46 in. LCD Television

1 Answer

Burn-ins?


It sounds like your light engine is on it way out. I would have this verified by a service center. Very costly to replace. They will probably try a new lamp first.

Jan 21, 2009 | Sony KDF46E2000 46" Projection HDTV

1 Answer

RCA P60752EBLG1 Convergence Problem


If you wish to get some details; visit the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Convergence adjustment to projection TVs are given.

Apr 24, 2017 | Televison & Video

1 Answer

Dark blotches / Dirty behind screen


it could be dust in the mirror or in the optics,in this set if im not mistaken you have acces to the mirror from the back, anywhere from 12-20 screws it sould be easy to remove plastic cover first and the the mirror.this mirror are very delicate you dont want to leave fingr prints on it it will show just like the dust is showing right know. taking the mirror off will also give acces to the lense.
use someting soft to clean it.
hdtvman.

Dec 28, 2007 | Mitsubishi WD-62528 62 in. LCD Television

3 Answers

BLUE SCREEN


I got this Sony KP-57WS500 57 in TV for FREE from a guy posting it on craigslist because he saw "BLUE SWIRL LINES" also knows as "Retrace Line" on the screen and he went to several repair people and got high repair costs so he was giving it away for free, but i found a guide that tells you how to adjust the tv to make the blue or green or red lines go away, aparantly the line show up because the voltage on the color ray gun tubes that get out of adjustment. Here is the Link to the REPAIR GUIDE. http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

Sep 25, 2007 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Lg tv and parcific vidio


YES, DOES YOU PACIFIC VIDEO HAVE COMPONENT , COMPOSITE OR HDMI OUTPUTS ON THE BACK ? THE HDMI HAS BOTH AUDIO AND VIDEO SIGNALS AND IS THE BEST QUALITY PICTURE. BUY THE CABL AT RADIO SHACK, WALMART ETC.
COMPOSITE IS THE YELLOW RCA CONNECTOR FOR VIDEO AND RED AND WHITE RCA CONNECTORS FOR LEFT AND RIGHT AUDIO.COMPONENT IS THE RED, BLUE AND GREEN RCA CONECTORS AND RED AND WHITE FOR AUDIO L & R.

Nov 24, 2006 | LG TU-60PY2DR 60 in. TV/DVR Combo

1 Answer

Red Line across Screen


sounds like you have a vertical sweep problem. Where the fault lies cpuld be the vertical output IC the verticle b+ feed, could be the capacitors in the vertical circuit?? Your gonna need to troubleshoot thr vrtical circuit if your not a tech thin my advise is to take the set to a pro for sn est. Good Luck

May 22, 2006 | Hitachi 36UX01S 36" TV

Not finding what you are looking for?
Hitachi UltraVision CineForm 55VG825 55" HDTV Logo

470 people viewed this question

Ask a Question

Usually answered in minutes!

Top Hitachi Televison & Video Experts

Jaime Hernandez

Level 3 Expert

2318 Answers

The Knight
The Knight

Level 3 Expert

74185 Answers

matt martin
matt martin

Level 3 Expert

1210 Answers

Are you a Hitachi Televison and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...