Bowing picture I had a convergence problem and adjusted it, it seems to be sticking but the picture looks like an hourglass, is there an adjustment for that?

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Question about Philips 60PP9202 60" Rear Projection HDTV-Ready Television

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Bowing picture I had a convergence problem and adjusted it, it seems to be sticking but the picture looks like an hourglass, is there an adjustment for that?

2 more comments
roy branson Jul 08, 2007

Actually I adjusted the blue and red and the color looks fine now, it's just the pictuire is warped at the top and the bottom. The tv is only about 3 years old.
roy branson Jul 09, 2007

I can only adjust blue and red. Except for the bow all the colors look fine.
roy branson Jul 09, 2007

Is verticle convergence different then adjusting the colors?
roy branson Jul 11, 2007

On mine you can only adjust red and blue. I did that and the colors look good, but the top and bottom of the tv screen look like your looking into the bottom of a glass, but strangely enough the color looks good even where its bowed.

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Av48wp30 picture is not working. crazy lines all through it with no picture or bowing in an hourglass shape. Could turn off and turn back on after a few minutes but now will not come back.

Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both. Repair kits with instructions are also avail from www.TvRepairKits.com

Common Problem #1) Convergence has gone out

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 these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

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. Power light will blink. TV may also make a chirping noise.

Here are some pics of convergence problems.

SOLUTION #1

For more more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Common 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.

TV set after fluid change

SOLUTION

You 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

Apr 21, 2011 | JVC AV-48WP30 48" Rear Projection...

3 Answers

60"marantz /philips rear projection.new ICs not working.

try to stick to original part number if possible Pioneer uses this on the PRO-530 / PRO730 models . MCMELECTRONICS has the originals as STK392180 .Also you might want to check capacitors near those ICS for leakage .When these go out they will affect amplification from IC given you not enough adj room .

Dec 07, 2007 | Televison & Video

1 Answer

Tv turns on. There is a picture but it looks like your looking through a fish bowl. Bowes into the middle from both sides. It also looks 3D. Any Clue??

This is usually a convergence problem, although the bowing normally is from the top and bottom rather than from the sides. There may also be an issue with the pioncushion circuit that causes the bowing. Try the automatic convergence adjustment first. If that fails to resolve the problem, then resoldering the convergence ICs would be next followed by replacing the ICs should the resoldering fail.

If you wish to attempt the repair, please update this and confirm the model number to be VS-60607 and I'll provide additional details.

Thanks,
Dan

Dec 08, 2009 | Mitsubishi VS-60607 TV

1 Answer

Bowing of picture at top and bottom towards center.

Projection sets have two very common problems outlined below.

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. The TV can also shut down when the convergence starts to fail.

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, RCA and others.

You can more info and a DIY convergenece repair kit with instructions from TV Repair Kits using the link at the end of this article.

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

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped or bowed
*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

SOLUTION

You 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

Jul 12, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

2 Answers

RED CONVERGENCE SCREEN PATTERN BOWING AND CAN'T ADJUST

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 here

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jun 13, 2009 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Zenith R57W46 bottom bowing and color off and double lettering

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

You 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

Mar 28, 2009 | Zenith R57W46 57" Rear Projection...

2 Answers

Bowing at top and bottom, can't adjust convergence replaced IC

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.

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.

Solution #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.

TV set after fluid change

Solution #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.

Mar 22, 2009 | Toshiba 57H81 57" 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

2 Answers

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.

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.

Solution #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.

TV set after fluid change

Solution #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

Bowing at the bottom of the picture

your convergence ICs need to be changed both of them. You can get replacements at the following and they include free installation instructions with free onkine tech support when you do the repair. heres the link your model should take STK392-110 or STK392-120 which interchange but the 120s are a better chip.
http://servicemanuals.vstore.ca/

Apr 04, 2008 | Philips 55PW9363 55" Rear Projection...

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les lake · Accepted Answer · 2007-07-08T22:39:41.5770000Z

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May have blown your convergence, does it look like all 3 colors are hourglass or is it just one. If all 3 are bad and it is on the sides it may be a pincushon problem, I dont think you have an adjustment problem I think you have a part failure. If this set is older than about 5 years old it may be starting to have issues with the CRT coolant and the blue may be getting blury, the blue and green will need to be changed also. I would definitly call someone on this to make sure that you get all your bases covered as Fluid is conductive and can cause all kinds of issues up to fire hazzard. (of course that is if it is leaking, and that could be what caused your hourglass issue.)

Posted on Jul 08, 2007

les lake Jul 09, 2007

Are all 3 colors warped or is it just one, I know you adjusted the convergence, but being bowed in at top and bottom sounds like vertical convergence is still out, these have a tendancy to blow out the convergence amps, and some times a few resistors, like I said you can usually still adjust some of the information for the convergence but there will be probably in your case and typically one color on the vertical that wont adjust up or down, could be red, green, or blue, all I can think of for a vertical bow at top and bottom, sounds like your problem.
les lake Jul 11, 2007

I guess that depends upon what you mean by adjusting the colors, the convergence looks like a checkerboard pattern on the screen and you use a cursor to go cross point to crosspoint to adjust the lines together, one color will not adjust up or down (vertical direction), the other two will, if this is the case you will need replacement Amps and most of the time that will fix it. (Plus running the convergence to touch up.)

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Bowing picture I had a convergence problem and adjusted it, it seems to be sticking but the picture looks like an hourglass, is there an adjustment for that?

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les lake

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60PP9202 60" Rear Projection HDTV-Ready Television

Av48wp30 picture is not working. crazy lines all through it with no picture or bowing in an hourglass shape. Could turn off and turn back on after a few minutes but now will not come back.

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CABLE GUY SAID TV IS GOSTING AND NEED BULBS AFTER READING ON UR SITE IT APPEARS I NEED A CONVERGENCE KIT. MY SCREEN IS ALSO GREEN, NOT ORANGE AS I HAVE READ FROM OTHERS. EVERYTHING IS DOUBLE AND BOWED AND LOOKS 3D.

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Bowing picture I had a convergence problem and adjusted it, it seems to be sticking but the picture looks like an hourglass, is there an adjustment for that?

1 Answer

les lake

1 Suggested Answer

6ya staff

Add Your Answer

Attachments: Added items

Related Questions:

Av48wp30 picture is not working. crazy lines all through it with no picture or bowing in an hourglass shape. Could turn off and turn back on after a few minutes but now will not come back.

60"marantz /philips rear projection.new ICs not working.

Tv turns on. There is a picture but it looks like your looking through a fish bowl. Bowes into the middle from both sides. It also looks 3D. Any Clue??

Bowing of picture at top and bottom towards center.

RED CONVERGENCE SCREEN PATTERN BOWING AND CAN'T ADJUST

Zenith R57W46 bottom bowing and color off and double lettering

Bowing at top and bottom, can't adjust convergence replaced IC

Have you ever had this problem?

Red sideways hourglass

Bowing at the bottom of the picture

Not finding what you are looking for?

60PP9202 60" Rear Projection HDTV-Ready Television

Av48wp30 picture is not working. crazy lines all through it with no picture or bowing in an hourglass shape. Could turn off and turn back on after a few minutes but now will not come back.

Open Questions:

CABLE GUY SAID TV IS GOSTING AND NEED BULBS AFTER READING ON UR SITE IT APPEARS I NEED A CONVERGENCE KIT. MY SCREEN IS ALSO GREEN, NOT ORANGE AS I HAVE READ FROM OTHERS. EVERYTHING IS DOUBLE AND BOWED AND LOOKS 3D.

Pillips HDTV 2004

WHAT IS THE FLYBACK NUMBER OF PHILIPS REAR PROJECTION TV 55PP9545

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