Question about Pioneer PRO-700HD 64" Rear Projection Television

1 Answer

Blue lamp climbs up on a curve from center of screen

If there is text on screen from center to right side the blue curves upwards.

Posted by on

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that got 5 achievements.


    An expert who has written 20 answers of more than 400 characters.


    An expert who has answered 20 questions.

  • Expert
  • 90 Answers
Re: blue lamp climbs up on a curve from center of screen

Convergence sys. Usually they use STK ICs in there, replace them.

Mr Bob

Posted on Feb 07, 2008

Add Your Answer

0 characters

Uploading: 0%


Complete. Click "Add" to insert your video. Add


3 Points

Related Questions:

1 Answer

Samsung SP47W3HFX tv blue flickering curved line..

If the lines are slightly curved and stationary on about 2/3 of the screen its either the Blue CRT or the Blue CRT drive board which is having the problem.

Dec 19, 2009 | Projection Televisions

2 Answers

Projection HDTV Pansonic 47" Curving blue and green colors on top and bottom of screen.

You will need to replace your two convergence I.C.s.They are two large IC mounted on a large aluminum heat sink.Replace both,look for any burned resistors near them,replace those if needed,and readjust your convergence. Good Luck

Let me know if you need any further help

Mar 29, 2008 | Panasonic PT-47WX42 47" Rear Projection...

1 Answer

Shadows and text curved. Double images

The convergence IC's need to be replaced. The generic part # on them is STK392-110. This is not easily done by yourself.

Apr 09, 2009 | Panasonic PT-53TW53 53" Rear Projection...

1 Answer

Screen is curved inward on all 4 sides and there is a red, and a blue line that is curved at the top of the screen

This is a convergence problem.. possible deflection problem... you might need a tech to look at it...

Nov 19, 2007 | RCA HD56W66 56" HDTV

1 Answer

Uh oh... the colors are curved and wacky

replace the amplifier IC chips for the convergence.  part # stk392-???  could be from 040 to 120..  90% chance that'll fix it.

Oct 08, 2007 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Toshiba 43H70 HD Projection TV

this is a convergence failure, there are hundreds of posts about it on this website you should be able to find everything you need

May 23, 2007 | Toshiba 43H70 43" Rear Projection...

1 Answer

Arched picture at bottom seperating the green and red

Your tv has a convergance failure. the convergance ic's need to be replaced. Upgraded part # STK392-150 or STK392-160. Both ic's should be replaced to prevent future failure of other colors.

May 20, 2007 | Toshiba 43H70 43" Rear Projection...

1 Answer

Descending curved line on screen

if the tv has a portal on the side open it up and make sure the screen is not out of it's track, don't set anything on top of the set it could make it happen also

Apr 13, 2007 | Samsung HCN653W 65" Rear Projection...

Not finding what you are looking for?
Pioneer PRO-700HD 64" Rear Projection Television Logo

Related Topics:

50 people viewed this question

Ask a Question

Usually answered in minutes!

Top Pioneer Projection Televisions Experts

Jaime Hernandez

Level 3 Expert

2267 Answers

Juriy Crook
Juriy Crook

Level 3 Expert

56640 Answers


Level 1 Expert

19 Answers

Are you a Pioneer Projection Television Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides