Question about Mitsubishi WS-65857 65" Rear Projection Television

2 Answers

Power loss turn tv on it shuts right back off green light comes on for five seconds and shuts right back off any sugestions same. turns on for a few seconds and shuts off

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  • Kenny_Sr Sep 25, 2008

    Tried your suggestion but did not work

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2 Answers

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  • Master
  • 558 Answers

Check for short pin 2 to 4 ground on vertical def.

Took off the cover and disconnected the switch wires. If there was no change. Then just started going through all the menu choices, and (i think) the a/v reset did the trick.

Bottom line, if complete control of the system back. Let me know if you need further assitance.

Regards
ELLIN

Posted on Sep 20, 2008

  • 1 more comment 
  • Puneet Jain
    Puneet Jain Sep 20, 2008

    Hi

    It assuming to be tube is out and it could be. the reason. Then it is time for a new tv
    for sure.

    The other reason may be the circuit in the tv that could cause this is the
    video driver circuit. a repair on this would range around 250.00 or so.
    Now last thing is a loose cable from your cable box to the tv. If there are more cables from the switch box to the TV one could be loose.
    Now
    if you are running straight cable then this is not a issue. hope this
    helps?
    Just let me know if this help you out.

    Have a great day!

    Regards
    ELLIN


  • Puneet Jain
    Puneet Jain Sep 25, 2008

    Hi There,

    Thanks for your reply.

    The Mitsubishi 525 series, 725 series, and 825 series DLP TVs display all signals at a 1280 x 720p resolution.

    Mitsubishi ALPHA Series LCoS TV displays all signals at a 1920 x 1080p resolution.

    So please check out the resolution and adjust it first. Also let me know about the warranty period.

    Regards
    Ellin

  • Puneet Jain
    Puneet Jain Sep 25, 2008

    Hi there,



    If the lamp fails in a Mitsubishi MicroDisplay TV, there will be no
    picture on the screen and a red front panel LED indicator will
    illuminate.

    Regards
    Ellin





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  • Master
  • 360 Answers

Try to let the set sit for 15-20 mins. this will reset the computer. good luck

Posted on Sep 20, 2008

  • Jimmy
    Jimmy Sep 20, 2008

    unpluged sorry........

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3 Answers

Power loss


Check for 12v on Q5A33 110v on Q5A01 this feeds T5A31 that powers the CRT filaments make sure Diode DA52 isnt open and also check horizontal output Q5A31 for being shorted or open. let me know if you need any more info.

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


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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

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Sony 2002, kpws500


Minium is the green picture tube need to be replaced, if you can take the front cover and access panel off there is a control with 3 focus and screen controls.
you can adjust the 3 screen controls to possibly get a little more time out of it before the crt's need to be replaced. careful if you turn them down too much there will be no picture, and if you turn them too high the tv will go bright and shut off

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http://www.chrisandnat.com/Projects/BlinkingTV/blink.htm
http://www.jeremyburns.com/Mitsubishi-Green-Blinking-Light-Fix.pdf
http://www.fixya.com/howto/h159332-mitsubishi_dm_board_repair
http://hdtvoice.com/voice/showthread.php?t=32186
replace DM

Picture of bad caps
http://www.auctioncreations.com/wd62525a.JPG

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