Question about Sony KDS-R50XBR1 50" HDTV
Was working just fine last night but today turns on for 2 sec then PowerStandby light flashes 4 times. Standby LED (red) blinks four times. First time it occurred I opened the set and cleaned the fan; worked for another 2 months. Second time just occurred. Ordered replacement fan; will advise if it fixes the problem
This is a fan issue, most likely the large fan in the rear, lower left (from the back)...
Here's the fix, I promise, it's EASY........
Ok, I think I have the answer for the BIG FAN failure. I recently did a similar fix on the spindle of an xbox 360 and it is identical. Ok, this is an EXTREMELY EASY FIX...
Open the back of the tv, locate the large fan (on the lower left on the back of the set.) unscrew the screen and remove the fan.
Once the fan is removed, you will see the side with the model number and the other side is totally open.
On the open side, pull...
The fan will come off, into your hand, it is only held by magnets...
You will notice a spindle on the fan and the other side has the magnets and the hole where the spindle came from (this is the fan motor).
Clean both the spindle and the hole (motor) with a q-tip. The hole is smaller than the q-tip, but do the best you can to remove the old lubricant.
Get a bit of WD40 and lubricate the spindle and spray a touch in the hole.
Put them together, reconnect your fan, test it on startup and thank me...lol...
HOPE THIS HELPS!!!! IT WORKS, TRUST ME...
Posted on Oct 01, 2008
This site has been helpful to me for my problem. I have spent too much money for this TV to have continual problems, optical block, lamps and now the fan. In addition my Sony manual does not speak to the 4 blinking red lights only 3. I own several Sony products, laptop, disc player, play station, etc. Sony was no help when I called about the TV and to replace the fan will cost me between $350-500, I am not very good at repairs but I am game to try and replace the fan.
Posted on Dec 25, 2012
The 4 blinks is a fan error and if you ordered the correct fan then yes it will fix the problem. The most common fan to go bad in this model is the lamp fan (from the back its the big one on the left) I have seen other fans cause this problem from time to time though. the correct way to find out what fan is causing the problem is when the set is acting up you need to take some voltage measurements on a plug on the back board (this requires removing the back) . Missycam70 unfortunately the service man was correct if he came out and the set was working there would be nothing he could do. you have to look at it from his side, if he came out and put all new fans in it and then the problem was the ASU/DSU (fan control board) then he would look like an idiot and have to fix you set again and most likly lose money on the deal.
Posted on Sep 11, 2008
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Posted on Jan 02, 2017
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