Question about Hitachi 50GX30B 50". Rear Projection Television

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Had my own audio/video shop for 10 years. I have a Hitachi proj. set, model #50GX30B. Chassis is HP11 or HP12. The convergence board is cooked as usual. I was wondering if any of you know if there is a "kit" available for this set that has the STKs and resisters all together and if you might have a part number or place that offers the kit. I haven't had much luck in my search. Thanks, Roger Carnell RCTV Ponca, NE

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  • Hitachi Master
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Www.tvrepairworld.com has the convergence repair kit for your model which do have the ICs and resistors.

Posted on Aug 04, 2010

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1 Answer

Periodic color scrambling - out of focus. Seems as though the different colors separate and get out of focus.


Ur tv is having a convergence problems,it dead.Colors lines R,G,B mis alignments,have colors shadows pictures or 3D picture look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts must be replaced on the tv convergence board to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

Jan 22, 2011 | Hitachi 50GX30B 50". Rear Projection...

1 Answer

How can that blue shadow be fixed in the picture.


This tv have a convergence problems,it dead.Tv have colors lines R,G,B mis alingment anywhere in the picture,having colors shadow pictures or 3D pictures look alike?The tv convergence board is dead,the 2 STK convergence ICS and some or all of it resistors are dead too.These parts on the tv convergence board,must be replaced to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Dec 15, 2010 | Hitachi 50GX30B 50". Rear Projection...

1 Answer

I have Hitachi 50GX30B tv suddenly started to give green-red double vision with arcs On top and bottom of screen What is the solution?


The tv have a problems"Known as a Convergence problems"it,dead.The tv convergence board reqiure changing 2 STK convergence ICS and some or all it resistors to solved the convergence problems.The shop will cost u $300-350 for parts and labors.

Jul 19, 2010 | Televison & Video

1 Answer

Picture is off center colors off location


Ur tv have a convergence problems,it dead.The convergence board the 2 STK convergence ICS and some or all it resistors are dead.To fixes convergence problems.The convergence board all these parts must be changed to get the onvergence in sink again to get the colors and picture to normal.The tv shop will cost u $300-350 for parts and labors.

May 24, 2010 | Hitachi 50GX30B 50". Rear Projection...

1 Answer

My picture looks like its in 3d, what could be the problem


The most likely cause is shorted convergence chips and possibly a few pico fuses.

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 a convergenece repair kit with instructions from the links below.

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

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*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

You can see some more examples and find a fix herebb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Apr 05, 2010 | Hitachi 50GX30B 50". Rear Projection...

1 Answer

MY HITACHI 50GX30B HAD BLURRY VISION LIKE


Sounds like the convergence board, try replacing the STK voltage regulators and any resistors that may burned or discolored. This problem is causing the power supply to shut down probably.

Mar 13, 2010 | Hitachi 50GX30B 50". Rear Projection...

1 Answer

Is there a Magic Focus function on 53XDF01B?


The correct model is 53fdx01b. There is a mogic focus button on the front of the set. Procedure for Chassis DP05F, DP05, HP11, HP12:
1. Press and hold the DIGITAL ARRAY or CONVERGENCE ADJUST button on front panel.
2. While the button is held down, then press the INPUT or ANT button on remote control.
3. The unit will now be in the DCAM.
NOTE:
1. Proceed with digital convergence adjustment.
2. Remember to save the correction data.
3. Units with MAGIC FOCUS only - Failure to initialize MAGIC FOCUS sensors after saving
convergence correction data will result in a STATIC (+) display when MAGIC FOCUS attempts
to run. The technician will then be required to access the service only switch behind the front
cover to get back into the DCAM to initialize the sensors, since the procedure to access DCAM
without removing the front panel, requires MAGIC FOCUS to be running.
4. To exit, press the POWER button on the front panel.

Apr 23, 2009 | Hitachi 53UDX10B 53" Rear Projection...

2 Answers

Parts


Which board are you refering to as the main circuit board? The power supply PWB ? The Deflection / Convergence PWB ? or the Signal PWB ? respond to this same post and I can help you out, but there isnt a PWB called " main" In that chassis hitachi.

Jul 31, 2008 | Hitachi 46F500 46" Rear Projection...

1 Answer

Color ghosting


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

Nov 11, 2007 | Hitachi 50GX30B 50". Rear Projection...

1 Answer

I have a convergence and audio problem


You will need to replace the convergence output IC's both are STK392-110's. They are located at the right side of the chassis with the back off. The sound problem is the surround board and is a common issues with those models of Hitachis. The board sometimes has to be pulled and sent away for rebuilding as they are not commonly in stock.

Apr 20, 2007 | Hitachi 61SWX10B 61" Rear Projection...

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