Question about Sony KDS-R50XBR1 50" HDTV
Tv comes on for a few seconds then goes off. 4 blinking red lights ovor and over. there is no code for this in manual.
I had this exact same problem - it was intermittent at first happening once every few weeks and it would just start working after 2 or 3 tries but then it started getting worse - happening every couple weeks - then days - then hours ... until i got to the point that it just would not work. i figured out that on this model the four blinking lights meant that it was an overheating problem. so here is what I did.
I took the back off the TV which gave me access to the Lamp cooling fan - it was caked with dust ... so I cleaned it up really well, spun it around a few times and made sure it was moving easily... i put the back on again and it started up no problem. I think the TV checks to make sure the lamp cooling fan turns on correctly when you turn on the TV and if it doesn't it shuts itself down to protect the TV from the excessive heat. so just make sure your fan is unobstructed and spinning freely and it should eliminate the problem.
Posted on Sep 28, 2008
Like several of you, I had the same problem (4 blinking red lights on the standby indicator). I too had lots of dust in and around my TV. I vacuumed around the lamp area, cooling fan area and panel area between lamp and fan. I did not remove back cover or fan from TV. I turned on the power button and had a picture for 2 seconds. I unpluged TV for 5 minutes and rotated the fan from outside of TV with a small chop stick. I rotated the fan about 1 full turn. Pluged in TV and turned the power on. Yes..Yes...Yes.. My TV turned on and seems to be working fine.
Thank you FIXRUPPR and jmaransky for the information on how to correct the problem.
Posted on Apr 12, 2009
Like Jason2112, I had the same problem (4 blinking red lights on the standby indicator). There was LOTS of dust behind my TV. I took my vacuum cleaner hand-held attachment and cleaned all the dust from the back of the TV and the cabinet where it was stored. Then, I took the hose and held it against two fans in the back of the unit to **** as much dust out as possible. I did not remove the fan or any component. Turned the TV on and it worked great!
Thanks very much FIXRUPPR - you saved me some serious cash!
Posted on Jan 31, 2009
I love the internet! Here I am having the EXACT same problem. 4 Red Blinking lights... I cleaned out my cooling fan (Lower Left) but to no avail. I did what FIXRUPPR said. (Lubricating the spindle and housing for the fan, and it worked like a champ. Outstanding. It's 1:43 A.M. and I'm ecstatic.
Thank you, thank you, thank you.
Posted on Nov 25, 2008
The best advise i can give you on these sets is to take set in for repair.
Posted on Sep 26, 2008
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Posted on Jan 02, 2017
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