Question about Sony KP-51WS510 51" Rear Projection HDTV-Ready Television

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Colour misalignment and focus

Hi I own a Phillips rear projection TV model 55pp8620 around the edges the colours are out of alignment and focus while the centre of screen is fine. I have tried to adjust without success. Does it need the lamps replacing ? Or some opther problem ?
Cheers AL the middle is fine but the color on the sides of the picture seem to be moved or shifted. is it possible for me to repair?

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  • natrlbuild Dec 04, 2008

    we have a 50we655 sony tv that we cleaned the optical block and now the color is mis aligned. how can this be fixed?

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  • 225 Answers

You need a new convergence board. Not an easy fix, sorry.

Posted on Nov 14, 2008

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Size of phillips 55pp8620 There is no picture and


Good day!!!!

I need to know first if your TV is on standby mode (red LED lit) or not?..If the green light lit your TV your high voltage (HV) is switch but you have open line on heater that cause of no picture and the sounds is chirping because of analog(antenna)/digital connection or bad audio chips..

I need this information above for specific diagnosis and to prevent more damage and failure..Also I need this information to avoid mistakes to buy a parts with no help...

also I need the model # because on my tread there are 2 model # which are correct? is it 60PP9202 60" or 55PP8620?..for specific diagnosis and for possible get a diagram..

Thank you very much for choosing my service!!!!

Rossiel Gomez (nineng)

Jan 20, 2012 | Philips 60PP9202 60" Rear Projection...

1 Answer

The RGB is messed up, specifically the red. It goes out of alignment. If you hit the bottom of the TV. It will temporarily go back into alignment but it usually doesn't last.


Best is to open the set and realign possibly with the pattern screen for picture , colour alignment.
Do it with care and set the corrections coarsely , then to fine trimings to have a good focus and aspect.

Sep 30, 2010 | RCA HDLP50W151 50" Rear Projection HDTV

1 Answer

Out of focus doble colours


These sets have several common problems which are listed below.

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 - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV 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 the fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Apr 03, 2010 | Samsung HCM4215W 42" Rear Projection...

1 Answer

When I turn it on the screen stays blank and there


this a defective power supply, normaly the HV circuit is burned, needs to be repaired. send to repair shop

Jan 29, 2010 | Philips Magnavox 9P6034C 60" Rear...

2 Answers

Picture has double images around the edges of the viewing area.


Firstly check for correct colour registration at centre of screen. Look for coloured halo around white edges in centre area of picture. Use static convergence adjustment if necessary to correct centre of screen. Then follows an involved process of interactive adjustments to attempt correction of errors at the screen extremities. If these are out of adjustment range this is indicitive of a convergence drive fault requiring professional intervention.
I hope this information is helpful!

Jan 01, 2010 | Hitachi Televison & Video

2 Answers

LG rear projection colours out of alignment


I have a similar problem with an LG (except my red is the one that is fine) and was able to talk to a tech in some detail about it. The tech prefaced by saying that he had done a hundred or so of these with exactly the same issue. This is very common and the life span of rear projection televisions is not great. Having said that, plasmas and LCDs are also limited in life span mostly due to modern high performance gaming machines which shorten the lifespan of monitors both plasma and LCD alike.

From what I have gathered, this is not a problem that you can easliy sort out. (Of course they would say that though) It involves replacing the digital board which means soldering followed by aligning the lamps which requires quote a lot of expertise.

The part itself apparently costs around $200 Australian and the labour will vary for the cost of the technician but I was quoted that the labour was about the same cost as the part.

Not sure if I would call this solved but I hope it has been at least a little helpful.


May 26, 2009 | JVC AV-56P575 56" Rear Projection...

1 Answer

Philips Convergence for 55PP8620/79


Yes the box marked sanyo is the focus and screen control box. All stk Convergence ICs for rear projection TVs are made by Sanyo, which was the origional producer of the STK series Convergence IC. You need the convergence repair kit for the DPTV series rear projection which consist of two STK392-120 ICs and 11 6.8 ohm 1watt metal film resistors. You can get the repair kit for your model at the following link , they do ship to Austrailia however they do have an international shipping charge which must be purchased for orders outside the north American continent,. They also probide free installations instructions with pictures and free tech support. Heres the link.
http://servicemanuals.vstore.ca/

Sep 15, 2008 | Televison & Video

2 Answers

Colour misalignment and focus


Inside of the tube assembly, there is a cooling liquid. This could be a job to change, and then re-adjust everything. It is also possible that on top of this, there are problems with the convergence and bias control circuits.

Typical repairs can run in the area of about $400 to about $800 depending on the amount of work and type of parts required.

Personaly, I would go out and get a good Plasma or LCD TV at this point!

Jerry G.

May 21, 2008 | Philips 60PP9202 60" Rear Projection...

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