Question about Hitachi 53UDX10B 53" Rear Projection Television

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Phillips 50P8341 50"

Convergence problem. I cannot get a good picture. I have adjusted the G2 and Screen controls but still no different.

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Re: Phillips 50P8341 50"

Replace the convergance amp ic's

Posted on Jan 04, 2008

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I have a phillips rear projection tv model no 55PP8620/79. Its showing a a red haze and poor picture quality. How do I fix this?

If the red haze is not convergence---that requires parts.

The set has three picture tubes---with set unplugged and back cover removed clean the three large lens that are topside---as for the red haze a quick way to know what is wrong is with set on turn the color to zero----what color is the screen? Should be black and white--if red to some degree tracking or screen controls may need adjusting inside the set---Yellow picture in that situation is a different issue.

Jun 05, 2012 | Philips Projection Televisions

5 Answers

Philips 50P8341 50 in. Rear Projection Television

normally when something like this happens, we could right away propose what can be done, in your case, since youve already changed a lot of parts on that tv, you can at anytime fix it. the tv alone is not fixed yet as of the moment but to some it up, experts have already given you some ideas on how to fix the tv. cheers. hope youll fix that tv in no time.

Mar 12, 2008 | Philips 50P8341 50" Rear Projection...

1 Answer

Phillips ptv916 60p8341a fix color

Which menu were you in? Set has Customer, hidden tech, and hidden convergence.

the dark picture may be the lens dirty--clean them if you have not and the red picture may be adjustment of the screen controls just slightly off.

May 27, 2012 | Projection Televisions

1 Answer

Have a Sony KP-65WV600, already replaced d board once, and replaced convergence ic's once also. Now as soon as I turn unit on, turns to red screen and shuts off, video that is, audio works ok, noticed...

Check High voltage Block.After replacing ic's (STK convergence ic's) you need to adjust Black&White scale.Turn ALL screen adjustments to min.Turn TV on and adjust screen slowly for each gun (I would start with Red first ) when you came to point that you see red background with white lines across, at that point G2 is too high (that will cause TV to shut down,don't worry just lowered adjustment and turn tv back on) so adjust to proper voltage and do the same for each gun.After that, adjust focus for each gun (again all controls are on High Voltage Block and HVB is mounted on front of your tv after you take speaker gril out) black box with 6 controls' screen RGB, focus RGB .
You should do that in dark room in order to get perfect Black&White scale,when all guns are adjusted properly you will see grey picture.Make sure 'Color" adjustment on your display is down to 0. Another step is convergence adjustment ,Flash Focus etc.If TV stil shuts off after all, your Red picture tube is short inside,take crt pcb from tube,make sure TV is unpluged from power before that, and turn Tv on .If stays On tube need replacment...good luck)

Aug 22, 2011 | Sony KP-65WV600 65" Rear Projection...

1 Answer

I have a Phillips TV Model No. 46PP93 0217. The

Projection sets have two very common problems.

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. 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

May 29, 2010 | Philips 46PP9302 46" Rear Projection...

1 Answer

Double lettering on red when in 1080i good picture in 480p

This is a common problem. Your convergence has gone out.

Common symptoms are...

1) 3D Video
2) Warped Video
3) Convergence menu does not adjust the red or blue correctly.

Go here for a solution...

Sep 06, 2009 | Philips 55PP9401 55" Rear Projection...

1 Answer

Red , Green And Blue.

Heres the best way to set a phillips screen controls. Go into the picture controls and set picture or contrast to roughly 75%, then set brightness to 50% and then set the color level completely off. Then adjust the screen with the 3 color controls untill you recieve the best black and white picture as possible. If you are unable to achieve a good black and white picture change the coolant in the green and blue tubes. But if you can get a good black and white picture stop there then turn your color level back up and the picture should be correct. Let me know if you need further assistance.

May 22, 2008 | Projection Televisions

1 Answer

Picture on proscan television needs adjustment. what type of tool is needed for the adjustment areas?

That depends on what youre trying to adjust. G2 requires electrical meters, focous to be done properly needs an NTSC signal and convergence other than user menu would require screen jigs for alignment. What are you trying to adjust and include your model number and I will try and help you out

Apr 06, 2008 | RCA P52926 52" Rear Projection Television

2 Answers

Phillips model 50p8341 titanium-finished 50-inch Red tint to picture

Your Red CRT may be on its way out. Try turning down the G2 screen control on the red CRT just a little. That should help for now. A new red tube wil be a reality in the future.

Jan 21, 2008 | Philips 50P8341 50" Rear Projection...

2 Answers

Green shadows surrounding bright whites

finally a consumer that gives us plenty of info :)
sounds like an overdriven green tube, the only thing you can try is to find the G2/Focus block assembly, either behind front speaker grill or remove back of set and look for a black box approximately 5"X5" , this box will have 6 philips type adjustment screws(plastic) 3 are for focus, do NOT adjust these,
the other 3 are marked "screen" the center screen adjustment screw is for green, turn it VERY slowly counterclockwise while the set is running and pray that your problem dis-appears, be advised that this is a HIGH VOLTAGE device so one hand in your back pocket the other hand turns the screwdriver, if the problem does not go away you have a poor green tube, good luck, sorry I can`t give you the exact location of the G2/Focus block, manufacturers move them to different places every year.

Nov 29, 2007 | Mitsubishi WS-55809 55" Rear Projection...

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