Question about Philips 51PW9303 51" Rear Projection HDTV-Ready Television

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No picture, screen is dark, but audio and the system control is operational

Philips projection tv with the convergence ic stk392-120. Has the problem of no picture, dark screen but the sound and system control is operational. B+ going to h-out is present,heaters of three picture tubes are lit, but the lamp is off.Can somebody knows the solution for this problem?

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  • Anonymous Jan 09, 2008

    I have the same problem except that it's producing squicking sound

  • irvin_g71 Feb 16, 2008

    i have a 60 inch Phillips rear projection hdtv and it went black, but still has the sound coming out, come someone tell me what that is and how much it might cost to fix it.

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I have like a Phillips Series LXI Im pretty sure. I received it in a repair class and me and my buddy are stumped its picture is very dark and adjustments do not help. When my buddy looked in it he got shocked by the wire going to each of the lamps do you think that would cause a problem with the brightness

Posted on Feb 29, 2008

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  • 398 Answers

This sounds like the vertical output IC has stopped working. If the vertical pulses are missing at the yokes then the picture shuts down to protect the CRT's from being burned by the intense thin white line through the center of the picture. I have seen many of those TDA vertical output IC's fail.

Posted on Jun 29, 2007

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1 Answer

We have a Philips 60pp9401, 60' rear projection tv. The images looked like they are layered. How do we align the colors without the original remote control? Using Intellisense.


U can't alignments this even u have the original remote.Tv have a problems known as convergence problems,it dead.Colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts,must be changes on the tv convergence board to fix convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Dec 18, 2010 | Philips 60PP9401 60" Rear Projection...

1 Answer

Picture looks curved on screen not flat and straight across. Images have pink and green streaks on them. We lined up the convergence as best we could but its not perfect and the screen still looks curved.


Try adjusting the convergence. If it won't move see below- (or hitting Magic Focus for some Hitachi’s)

This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

Nov 23, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

I have a philips 9p6044. where can I buy convergence ic's and a


its far more likely that you need a new Vertical output IC. The convergence ICs wouldnt prevent the picture. When you have audio but no video it is often meaning vertical failure. Try replaceing the vertical IC

Apr 23, 2009 | Televison & Video

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

1 Answer

Philips Magnavox 51MP392H Rear Projection Television


are you getting sound, was it moved laterly, did you just get it from somone, did it get wet, does it make clicking noises, was the picture color/ convergence blurring before this, were the colors slowly seperating such as red/blue/green?, did the picture bow on top and bottom or sides prior to tihs, was there anything note worthy prior to the blank screen.

generally its IC convergence problem with the larger philips projection TV's however I need more info on your TV, also size make model # anything you can provide gets us a more narrowed solution.

hope this helps....

Aug 17, 2008 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Philips big screen projection tv


sounds like the Convergence ICs are getting ready to go. Does it appear as a outline almost 3D? If so its convergence if its more like a glowing halo its coolant in the blue CRT that needs changing.

Jun 20, 2008 | Philips 51PW9363 51" Rear Projection...

1 Answer

Philips 55PP9401 55 in. Rear Projection


First, repair convergence problem = replace both convergence
IC's ....STK392-110 sub to upgrade STK394-160E....I use
Hitachi part # CZ 01341.......next, look for discolored resistor
near IC's.....replace with exact value......last = activate
Auto-Intellisense.....................T.

Sep 25, 2007 | Philips 55PP9401 55" Rear Projection...

2 Answers

Color on my big screen tv


sounds like you need to have the two convergence IC's replaced. These are soldered on the main board. Good Luck

Jul 16, 2007 | Philips 46PP9302 46" Rear Projection...

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