Question about RCA P61939 61" Rear Projection Television

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Bad color,looks of picture etc...............

Loks like a hour glass, color is way off. PLEASE HELP!!!!!

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This is the convergence IC's that will need replacing and some resistors will also need to be tested for low values in resistance

Posted on Dec 11, 2008

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Convergence does not fix picture picture is warped


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.


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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

Feb 24, 2011 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

I have a HDTV 524159 RCA, it has an hour-glass effect on both directions. On the left side, it hour-glass inward with red and yellow stripes and on right side blue and light blue stripes. It hour-glass...


Hi Sandy, the problem with your TV is called "convergence". It can be a problem with the convergence board or more likely in this model in the power supply or deflection circuits. Unfortunately, troubleshooting by a technician is required.

Apr 22, 2010 | RCA HD52W59 HDTV Projection Television

1 Answer

Picture goes into an hour glass shape. red/orange color on one edge of the hour glass and green/blue color on the other edge.


You have a bad cap or two in the horizontal deflection [Pincushion problem] and you may have to look for a burned resistor. Use your vision to inspect burned areas on the board, this will most likely tell you where the problem may be. Area should be between the Vertical and Horizontal deflection. Look for the flyback transformer that is the board you are looking for! Hope this will you a good start. Thanks for asking!!

Oct 11, 2009 | Zenith IQB60M92W 60" Rear Projection...

1 Answer

Picture is curved like an hour glass


that a pincushion problem likely caused by a failed capacitor

Mar 26, 2009 | RCA Projection Televisions

1 Answer

Picture in 3d without the 3d glasses


Replace 2 convergence chips, will start with stk ###-###

Oct 02, 2008 | RCA D52W20 52" Rear Projection HDTV-Ready...

1 Answer

Hourglass shape picture


This is no easy fix it yourself job you need to take it to a repair shop.Ill bet you have a bad cap 16v220uf .its located on deflection board.Also these sets have poor solder connections. ThankYou for using FixYa . Have a Nice Day.

Feb 17, 2008 | RCA P52921 52" Rear Projection Television

1 Answer

Picture color - it is a blue and green picture- no other color- looks artificial


update your tv with a usb drive. worked on my phillips 60PP9200D/37. get update at phillips web site. solves many problems

Jan 18, 2008 | Philips 60PP9200D Television

1 Answer

HCN4727 hour glass picture and colors off


all of you are having the same problem with your convergence boards they need to ne replaced. about 250.00 in a shop

Oct 23, 2007 | Samsung HCN4727W 47" Rear Projection...

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