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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Related Questions:

1 Answer

When you push the power button, the screen flashes a picture, and than goes dark. The power button stays solid red.


Two probably solutions:
1.-- SSB need be replace
2.-- Convergence IC's need be replace.
You need to have electronic skills. is hard to do this work.
Be careful, try to find a TV shop for help.
Thank you

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Tv have a problems known as a convergence problems,it dead.Tv have 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 replaced on the tv convergence board to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

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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.

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I have a Philips 60PP9202 60 in. Rear Projection HDTV-Ready Television. I do not have a remote for it, which I am going to purchase ASAP. When I press the up/down channel button on the TV it changes the...


Ur tv have a convergence problems.Ur convergence board the two convergence ICS,and some or all it resistors are dead.U know how to solders?U have soldering tools,and solders.Tries Websites like Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300-350 for parts and labors.

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2 Answers

Our Sony KP-46WT510 rear projection screen TV just


Convergence ICs, they are big black ICs will have part# on them if they are STK392-110s use 180s better ICs also CK pico fuses in front and behind ICs
they will look like resistors but will be Yellow or Green 5amps/6amp fuses

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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

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1 Answer

Panasonic projuction screen tv.


3 blinks is the error code for the convergence ICs. You need to replace both STK392-110 convergence ICs. You can get replacement ICs at the following link and they provide installation instructions with pictures.
http://servicemanuals.vstore.ca/

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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 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...

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