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Why does my panosonic projection tv have a black screen?

The power light turns on then blinks five times then goes out then blinks five times again.

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This signal indicates that the fault is with the 5v SOS D Board.

Posted on Apr 22, 2017

  • Duke Hammond
    Duke Hammond Apr 22, 2017

    thanks I'll try that.

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I have a Sony KF 50 WE 610 projection screen TV. It has worked perfectly since I bought it six or seven years ago. This morning I turned it on and the sound came on for a second, but then the sound went...


Hello
Five consicutive blinks at a time and the stops and again blinks five; is its self diagonosis procedure. All modern Sony sets has this function included in its circuits. If the system control IC inside it detect any fatal fault inside its circuits system, it will give a signal to its power control unit to shut it down its high voltage outputs to protect the other components from further damage. In your set; as Sony describes; I quotes:-
  • Five blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.
  • Actually the components marked in numberes will not be the same as in your TV. But the fault will it be.
    If you have enough knoledge in electronics and have a concept of soldering and have a good quality multimeter; youreself can do this work by home. OK

    Mar 19, 2011 | Sony Grand WEGA KF50WE610 50" Rear...

    1 Answer

    I have a Sony KDS-R50XBR1 that has no picture. When I turn on the TV, the green Power/Standby LED light blinks for about 30 seconds, then turns red and blinks five times. The Power/Standby LED repeats...


    • Five blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen A2 slightly.

    Jan 19, 2011 | Sony KDSR50XBR1 50" Projection HDTV

    1 Answer

    Our WS-55313 Mitsubishi Projection screen tv was on then just died. When we push power button or remote on, the green power light comes on for a couple of seconds then the tv goes off .


    do the self check this model has.


    When green light goes off press and hold both the input and menu buttons for five seconds and release both buttons.

    The power light will blink a two digit error code like, two blinks, two blinks, a pause and then repeat it several times.

    let me know what the error code you find is and I will let you know what it means.


    SD TECH

    Dec 26, 2010 | Mitsubishi WS-55513 55" Rear Projection...

    1 Answer

    I turn the power buttin on....after about five


    When was the projection lamp last change?If the tv,projection lamp inside the tv at last change was 1/ 1/2 or 2 years ago,and the tv is on,an in use at lest 4 or 5 hours day.The projection lamp life,it over should be change the projection lamp.Now tv turn on LED light "LAMP" indication light up or flashes?Yes,the projection is dead,hear alot of clicking too?The Ballast board it also dead,should be change too.The Ballast board,this board job,it help to ignite the projection lamp.

    Jul 23, 2010 | Toshiba TP61H60 61" Rear Projection...

    1 Answer

    When you turn it on the tv stays on for 5 or 6 seconds then goes off


    When it shuts off and the power light goes out do the self check this model has:

    On the front of the set press and hold both the menu and input buttons for at least five seconds and then release both.

    Power light should blink a two digit error code at least five times.

    Most common are 2 blink, a pause and 2 blinks or 1 blink and then one blink.

    Let me know what you find and I will assist you.

    SD TECH

    May 17, 2010 | Mitsubishi WS-55809 55" Rear Projection...

    2 Answers

    Sony kf 50e200a screen goes black and sound turns off for min...


    TV has gone into "protect mode" to do just that to protect against the damaging failure that has been detected, you will need a servicer to diagnose the failure. Good luck and Merry Christmas!

    Dec 25, 2009 | Televison & Video

    2 Answers

    My model is a WS-55511. I turn on the TV, the


    Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} MOST OF THESE SETS HAVE A SELF DIAGNOSTIC:


    UNPLUG TV AND THEN PLUG BACK IN---TURN ON---GREEN POWER LIGHT COMES ON FOR A MOMENT AND GOES OFF.

    PRESS AND HOLD “device” and “menu” buttons on front of tv for at least 5 seconds and then release both together.


    Watch for power light to blink in a sequence:

    1 blink-then 2 blinks-------no error

    2 blink-then 1 blink-------X-ray protection

    2 blink-then 2 blink-------SHORT PROTECTION*******

    2 blink-then 3 blink---------deflection circuit problem

    2 blink-then 4 blink---------vertical circuit problem


    ******2, then 2 is most common---usually means one of the fuses that protect the Convergence IC or IC’s is blown---set will detect no voltage to convergence IC and shut down.


    SET WILL REPEAT BLINK ERROR CODE UP TO 5 TIMES AND THEN TO GET IT TO REPEAT MORE YOU HAVE TO UNPLUG SET AND TRY TO TURN ON AGAIN.


    IF IT IS 2 AND THEN 2---USUALLY
    CONVERGENCE CIRCUIT PROBLEM

    Aug 08, 2009 | Mitsubishi WS-55511 55" Rear Projection...

    1 Answer

    Sony KF-60WE610 Screen and Sound On/Off


    All symptoms in your TV shows that you need to replace its Lamp as it has been consumed its life hours and TV requires new lamp. Lamp can be obtained from Sony Website. Price is $200, Hope this info will help you to enjoy your Sony TV in coming days.

    Aug 17, 2008 | Sony Grand WEGA KF60WE610 60" Rear...

    1 Answer

    Screen goes black and turns off


    sounds like something is over heating.
    i would check convergence ic
    http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
    http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

    Sep 28, 2007 | Panasonic PT-47WXC43 47" Rear Projection...

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