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Samsung s42sd-yd01 plasma television wont power up

Turn power on tv reacts and goes to power up for about 4secs then red led alarm led comes on , tv then goes back to standby mode? any ideas to what i could check? thanks in advance

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  • Uncle-Rusty Feb 03, 2008

    Thanks rHogElz , Rear panel of tv set has been removed. Have check power going into the tv reading 243v , recorded this after the emi filter. power at the main module also reads 243v. There are 4 leds (3 green) (1 red) all 3 green leds light up when power is turned on at the wall, then after approximate 4 secs red led glows then a relay is triggerd turning the red and 2 of the green leds off. Any suggestions? am i over looking something?

  • Anonymous Feb 28, 2008

    Exactly what he/she said. Four LEDs First 3 green light up, then red comes on and two green LEDs turn off as does tv.

  • Anonymous Jan 03, 2009

    I HAVE THE SAME PROB .I FOUND IF IUN PLUGED THE BUFFER PLUG THE 3 GREEN LEDS STAYED LIT. I FOUND D8068 ON THE BUFFER POWER WAS DEAD SHORT . NEW PROB .

    THE DIOD IS SMD WITH NO ON IT L4 33 IF I MANGER TO GET ONE I WILL POST HERE GOOD LUCK IT MAY END UP ON EBAY.

  • Anonymous Mar 31, 2014

    all connections and power cords have been checked

  • Anonymous Mar 31, 2014

    all connections and power cords have been checked

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I have also this problem 1 relay klikt than must klikt the second relay it do nothing
i see a few elco,s on the visibel boards who are dik the plastik is dik not the metal
to hot maybe
can this give the problems
somewone a solution for this tv ??
sorry for my bad englis
thanks

Posted on Aug 13, 2008

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HI MY NAME IS COL, COLINDAWSON@ROCKETMAIL.COM, I have the same TV with the same problem. It has something to do with a 'dew' sensor inside that trips it out when it senses moisture. It seems after a while the sensor gets carried away and cuts the unit out as it is with your TV. We found if you blow a hot hair dryer through the vents at the back for a few minutes, it will eventually come back on. Once the TV is warm the problem stops. I dont know exactly where the sensor is, and if you find out id love to know. Hope this is of some help. Also im trying to find a replacement remote for the same TV as mine is missing.

Posted on Jan 30, 2009

Hallo, der Fehler liegt auf einem der Boards und ist laut einem ehemaligem Mitarbeiter der Firma Innowert nicht reparabel weil es keine Teile mehr gibt, das entsprechende Board müsste erneuert werden. Meiner hat das gleiche Problem. Wenn man von hinten auf den Plasma schaut das Board mit der Alu - Abdeckung die man einfach abnehmen kann soll es sein. Bei meinem habe ich auf dem ganz linken Board vier defekte Kondensatoren entdeckt und werde ides mal erneuern, mal sehen ob es danach funktioniert. MfG

Posted on Feb 22, 2008

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Sir kindly check the power supply of it,,,thnksss and hope to help u??

Posted on Feb 02, 2008

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