Question about Samsung HL-R5668W 56" HDTV
I change the lamp already the front Led still flashing (Lamps,stand by and time) and the TV wont turn on
You will need to have it diagnosed if you do not have the service manual, or the knowledge of how these circuits work. I can tell you to replace this or that but it would be a guess! You need to start measuring the voltages on the ballast circuit, as I have seen door switches, fan sensors, heat sensors cause all of your symptoms as well. Good Luck
Posted on Jul 25, 2007
Remove the rear cover and check the lamp cover switch. Earlier versions used a black plastic switch holder that may break due to improper assembly. The part number for the holder is BP61-01240A. Newer versions use a metal tab attached to the engine. In this case, improper assembly may cause the lamp cover switch to be extended past its range, either breaking the switch or causing it to have an open contact. Replace the switch with BP91-01231A.
Note that in these models, when reinstalling the rear cover, it is best to remove the lamp cover first, install the rear cover, then install the lamp cover. This will make sure that the lamp switch is properly engaged.
Posted on May 02, 2009
Hi,do you hear any strange noises? If you hear clicking or like wanting to turn on it could be the board that powers the lamp it's called the ballast.Here's the instructions to replace it :http://www.fixyourdlp.com/guides/samsung/bp47-00033a.php Also make sure the door cover is closed because there's a switch that if it's not pressed it won't let the lamp light on.Have a bless one!
Posted on Mar 26, 2010
two things to check here:
1. remove the lamp and examine it to make sure it is not shattered inside.
2. if the set had a high pitched or fan like noise before it failed, the color wheel needs to be looked at--I can tell you a easy way to do this.
Look at the lamp first--life span is 2000 hours.
I am here to help and the more you tell me the better I can help you.
SD TECH Steve
Posted on Jun 10, 2010
Testimonial: "Thanks. I will look at the lamp and the digital board."
MY philips tv model number 55PL9773/17 WAS TURNING OFF THE SCREEN AND LEAVING THE AUDIO ON FOR ONE MINUTE. THEN THE YELLOW LIGHT STAYED ON. THEN THE LIGHT TURNED OFF. thEN I TURNED ON WITH THE REMOTE AND THE YELLOW LIGHT TURNED ON AND A FEW SECONDS LATER CHANGED TO THE GREEN LIGHT AND THE TV TURNED ON. AFTER A FEW MINUTES, BETWEEN 10 AND 30 IT DID THE SAME THING. NOW IT IS OFF WITH A BLINKING RED LIGHT PERMANENTLY ON. TO TURN IT OFF I HAVE TO UNPLUG IT FROM THE WALL. I REPLACE THE LAMP A FEW WEEKS AGO AND IT IS FINE.
Posted on Jun 15, 2010
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