Question about Pioneer PRO-200 60" Rear Projection Television

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Hourglass screen I too replaced two ICs on the convergence board and I know have an hourglass picture. I believe I need to get into the service code to be able to adjust the hourglass out, but I am not sure. Need some help. My red gun was not moving right and left before the change, now all of my gus move but I am hourglassed.

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Did you check for fuseable resistors open when you changed the chips? This usually happens on a pioneer set . Did you get a manual?? You shount try to fix a set without a service manual. i'll see if I can get the way to do it BUT your still going to need to find those fuseable resistors thats bad. A manual makes it alot easyer. Good Luck

Posted on Aug 06, 2006

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Posted on Jan 02, 2017

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1 Answer

Color and conversion problem with a pinched screen


Bad convergence amp ICs will have picture looking like hourglass in 2 or 3 colors. And narrow width and/or height.

Apr 02, 2014 | Philips Magnavox 9P6034C 60" Rear...

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Picture bounces and becomes like an hourglass only sometimes, mostly when there are words on the screen


Ur tv have convergence problems.The 2 convergence ICS it not total dead yet,but it going to.Must know how to solders.Must replaced 2 convergence ICS,and some of it resistors.Tries Tv repair World.com to buy a Convergence kit to repair it ur self.The shop will cost u $300 for parts and labors.

Mar 27, 2010 | Panasonic PT-51G43 51 in. Rear Projection...

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Sony 53 inch projection screen with hourglass picture


If you are familiar with TV repair, have electronics basic knowledge, good soldering skills and tools then check dry (cold) soldering joints at D board of this TV. Resold all lose connections there and check picture.
Still no joy then you need to replace D board.

Feb 25, 2009 | Philips 60PP9202 60" Rear Projection...

2 Answers

Have you ever had this problem?


Sorry Ginko, but a convergence problem would have the curves down from the top and up from the bottom. The hourglass shape is a pincushion problem. This can be as simple as a bad capacitor in the pincushion circuit.

Could you please confirm the model number so I can look up the probable part?

Thanks,
Dan

Jan 08, 2009 | RCA F32632SB 32" TV

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Red sideways hourglass


Your TV most likely has one of two possible problems.

Problem #1: Convergence Chip 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.
701cb04.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.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, 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 that needs the fluid changed.

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TV set after fluid change

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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.

Jul 20, 2008 | Philips 60PW9363 60" Rear Projection...

1 Answer

PT-47WXC43G-Red and blue look blured picture. Blue looks like sideways hourglass. Red is double image on the sides.


Convergence ICs you need two of them STK392-110 you can get replacement ICs at the following link with free instalation instructions with pictures so you can do the job yourself. Here's the link.

http://servicemanuals.vstore.ca/

Jun 26, 2008 | Televison & Video

1 Answer

Screen looks like hourglass


You have a convergence problem. Most likely the convergence IC's will need to be replaced.

Mar 30, 2008 | Televison & Video

1 Answer

Help!


problem would lie on convergence board, usually two big STK ics and resistors

Nov 14, 2007 | Zenith IQB50M90W 50" Rear Projection...

1 Answer

Hourglass Picture


it easy to locate the fusible resistor in the power module PCB,it look like a resistor but white in color,normally printed soc xxxx (2100) on top of the component. After you replaced the STK392-110 , you need to re-alight the convergence setting again.hope it will help.

Aug 03, 2007 | Pioneer SD-533HD5 53" Rear Projection HDTV

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