Question about Sony KDS-50A2000 50" HDTV

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My LED starts blinking green 3 times pauses blinks green 4 times then I hear a slight clicking sound and it blinks red 4 times.

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  • pcards Aug 29, 2010

    cuasi, Thanks for your reply - I just had a chance to check out the door safety s/w and the fan did not start up ( this was after a new bulb was installed) the second s/w you refer to appears to be
    some kind of thermo sensor?? It is located above the bulb. if this is the s/w you refer to it has 4 wires white,grey,black,white which wires would I tie together to check this s/w

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U have 2 problems if u already replace the lamp for this unit , the problem with u tv is a safety swicht and a bad fan , take the back cover off and u would see this little s/w one for the door and another one for the lamp follow those wire , do one s/w at the time cut the wire and puthen together after u have than with the one s/w for the door do the next one this one is little be difficult , do the same way as the first one after that turn the tv on and u would see the the big fan is not ruaning u need to replace this fun , u can get this fan by the model # good look if u have any q? just let me know

Posted on Aug 25, 2010

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  • pcards Aug 29, 2010

    Cuasi, Thanks for your help. I just had a chance to test the door switch and the fan did not start after a new bulb replacement. The second s/w you refer to appears to be some kind of thermo sensor it is located above the bulb??? is this the right s/w and if so there are 4 wires which one would I tie together to test?

  • Jose Garcia Aug 30, 2010

    not is not the themo , if u already did the door s/w is only 2 wires grey and black , this s/w is under the lamp is very small , when u take the back cover off and the fan u would see this little s/w is right under the lamp looks likethe door s/w jump the 2 wire , ( grey and black ) for this s/w not the thermo

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