20 Most Recent Mitsubishi VS-50705 50" Rear Projection Television Questions & Answers


Below are two of the most common problems encountered with projection TV sets.

Problem #1 - CONVERGENCE PROBLEM

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on Projection TV sets and a fairly simple DIY fix.

Common Symptoms include....
  • 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.
  • TV shuts off after powering on - TV may also make a chirping noise.
Here are some photos of convergence problems.


1d5e2cf.jpg


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7deade1.jpg

Here is a quick test....

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

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right.

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

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a solution

47a7bc4.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.

This is a a fairly easy DIY job if you know what you are doing. If you have never done this before we would advise calling a shop or if you want to do it yourself get a complete kit with instructions and support from TvRepairKits.com

Their kits include a step by step instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

Problem #2 CRT Fluid is Cloudy

Projection 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 video.

Pic of a set that needs the fluid changed. Notice how dull the colors are and how white the screen looks. The screen may also look red, orange, dull, etc.

BEFORE

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Set after fluid change. Notice how bright the colors are now. Everthing looks crisp and sharp again.

AFTER

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724bcba.pngSolution #2 - CRT FLUID FIX


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

Mitsubishi... | Answered on Apr 19, 2013


Sounds like a convergence problem see if attached photos look like it:

If need help let me know.


5_2_2012_1_50_19_pm.jpg


5_2_2012_1_50_59_pm.jpg

Mitsubishi... | Answered on May 02, 2012


You should be able to find the replacement mitsubishi power cord from www.tvrepairworld.com

Mitsubishi... | Answered on Jul 12, 2011


Hi Ron,
To determine where the fault came from, you may activate the "self diagnostic" mode of the unit. Once the unit is in self diagnostic, the led light will flash indicating the error code(first digit) then pause and will flash again(second digit error code). Count how many blinks does the unit have for first digit and second digit. Flashing of the led light error code will repeat 5 times.
Here's how to activate the "self diagnostic mode".
Press and hold the front panel buttons (not in the remote) "Input" and "Menu" at the same time for 5 second.
Let me know how many blinks it has to pinpoint what is the caused of the symptoms.
Jdvillanueva

Mitsubishi... | Answered on May 22, 2011


the plug is gone or its a fusle

Mitsubishi... | Answered on Apr 11, 2011


Tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board is dead.The tv convergence board require replacing 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Mitsubishi... | Answered on Feb 01, 2011


Hi con,
Welcome to FixYa.
My name is John.
I will be assisting you with your issue.
Go to SET-UP in the MENU.
Then do a CHANNEL SCAN or AUTO PROGRAM SCAN.
You should be good to go..
Thanks for choosing FixYa.
John

Mitsubishi... | Answered on Jan 06, 2011


Fixing this problem involves opening the TV but keep in mind the voltages inside Rear Projection TV's are deadly even when unplugged. If you have experience, and test equipment I can walk you through troubleshooting at the link below, contact me there......
Here are some of the possible faults with VS-50 series:
Bad solder joints on the yoke of either RGB tubes
C2P05 C2C52 are probably in bad shape
STK392-040 and its resistors may need replacing
_________________________
if this helps please rate :-)
http://tvtechwork.webs.com/

Mitsubishi... | Answered on Oct 23, 2010


I hope it could help.
ac852eb.jpg

Mitsubishi... | Answered on Jun 07, 2010


replace both of your STK392-570s big black ICs
call Mats they have them

Mitsubishi... | Answered on May 27, 2010


power board malfunctioning

Mitsubishi... | Answered on May 22, 2010


Projection TV sets have two very common problems listed below.

Problem #1) 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 https://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mitsubishi... | Answered on May 07, 2010


Codes 029-055-056-065-066-067-068-069-070-071-072-073-074-106-113-123

Mitsubishi... | Answered on Jan 01, 2010

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