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Hitachi 51swx20b power problem.

Replaced convergance parts Now TV shuts down after a few seconds. Looking at service manual, it asks if red LED is blinking. It is not. Manual (page 61) suggest checkin IP02, pin 4 for 14V- 20 V.

I can not find IP02 in on the board, schematic, or the pars listing in the back.

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Go to Encompass Parts Distribution see if they
list service manual/Parts for your Model.

Posted on May 02, 2010

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I have a Hitachi projection TV model# 51SWX20B purchased in 2002. Three years ago had the two convergence resistor chips replaced and the red convergance was getting bad again along the edges untill the...


this could be convergence area problems, also with this set there are alot of pica fuses that blow and this tells what area the problem is in. In the back of the set you can see LED lights coming on and going off, the ones that are not burning or turn off quick usually are the problem area. It can get very complicated working on this set if you are not familiar with it. And it can be expensive to work on depending on your locations because some area charge more. I wouldn't suggest fixing this projo unless you just have to have it. the $300 dollars or close to fixing the set would go good in a flat panel LCD new now a days.

Dec 24, 2010 | Televison & Video

1 Answer

My hitachi plasma tv model: p55t551 every time i


turn tv on the red power light comes on then goes off again

Jun 27, 2010 | Televison & Video

1 Answer

There is a red shadow on the picture, mostly on the left hand side, and the picture is a bit blurry


Projection sets have two very common problems.

The first common problem is convergence


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jun 04, 2010 | Hitachi 51SWX20B 51" Rear Projection...

1 Answer

Have an Hitachi 51swx20b. The colors are not aligned and magic focus will not work. Vertical and sharpness is grayed out...


Ur convergence it dead.U know how to solders?Buy a convergence kit to replaced parts.Websites Tv repair World.com Tvrepairkits.com.

Dec 16, 2009 | Hitachi 51SWX20B 51" Rear Projection...

1 Answer

Tv will not turn on


This is shutdown on this set---inside the set on the power board and or the main board should be several LED's(1 is red and the rest are green) look in side with the set turned off and when the set is turned on do all the green leds light? if they light for a moment and then go out look for any of them that go out first---It could also be a short on the supply to the convergence circuit---only way to know that is to unsolder the 2 convergence IC's and see if set comes on--it can also be a vertical or deflection problem--this set is very well protected and will shut down for a number of reasons---if you have questions or need more information contact me--etower.766@netzero.net

Aug 09, 2009 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

Hitachi 51UWX20B no sound, no picture, blinking green LED


The 392-150 is a higher current device then the 110---you can use either--this is normal in the hitachi sets---I usually replace both with 150's---check the led that does not light---should indicate which voltage source is bad---if it is one of the 2 voltages for the convergence ic's(one is a positive and the other a negative voltage) then the convergence Ic's may be bad---look for any discolored resistors around the ic's---one way to tell if it is a convergence ic is to de-solder both ic's and see if the set turns on(the convergence will be out the window) but if it comes on change both and do the alignments with the Hitachi remote. By the way----the led should have a location number printed on the top of the circuit board.

Aug 07, 2009 | Hitachi 51SWX20B 51" Rear Projection...

2 Answers

When doing Magic Focus on Hitachi 51SWX20B I get Error 3, and the Process Stops. I have a Hitachi 60SDX88BA that also has a blue semi circle at the top of the screen. I have run magic focus and it stops...


Your TV most likely a convergence failure. ( 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.

3dc9420.jpg
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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 directions your convergence 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.

Jun 02, 2009 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

No Picture No Sound


were the colors looking 3D before the set shut down? If so chances are its the convergence amp ICs and thats what has shut your set down. Let me know if you need anymore info.

Mar 28, 2008 | Hitachi 51SWX20B 51" Rear Projection...

2 Answers

Hitachi 51SWX20B Convergence problem


Solution:

Your TV has a convergence problem. Here are some of the most common symptoms.

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in or warped.

Here is a quick test....

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

Try to adjust the convergence.

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

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

Its a fairly easy fix on the Hitachi sets.

You can get a repair kit that includes all the parts from www.TvRepairKits.com. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself.

Jan 28, 2008 | Hitachi 51SWX20B 51" Rear Projection...

2 Answers

Hitachi 50ux58b



If you have Hitachi model number 50UX58B, 60UX58B, 50UX58K, 60UX58K, 50SBX78B or 60SBX78B and you have the following symptoms you may want to grab a repair kit from www.TvRepairKits.com. They have put together a kit that includes the parts and instructions to fix these models. This is a fairly common problem with the above model numbers. It is typically caused by a blown capacitor and pico fuse. Again, you can get a kit from the above address. 
Here are the symptoms...

Primary Symptom: No Audio or Video. Power light will come on briefly then shut off.
Other Possible Symptoms : The green LEDs on the circuit board light up for a few seconds then turn off.

Hope this helps,

Jan 02, 2007 | Hitachi 50UX58B 50" Rear Projection...

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