Question about Sony Grand WEGA KDF-42WE655 42" Rear Projection HDTV
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Posted on Jan 02, 2017
red light blinks in 5 times then pause and then repeats. It is the lamp error. " Lamp Driver Defect"
When the "LAMP-PORT" (pin 95) is low, the lamp is not turned on. If the "LAMP-HV-DET"(pin 96) is low at the same time, it is classified as no high voltage of the lamp driver. I'm guessing it needs a Lamp driver which I think is on the C Board, which is part of the "Optics Unit Block Assy. The C Board cannot be orderd separately, and Optics Unit Blocks are not cheap. Good luck
Bobby G aka poolmvp1
Posted on Jan 02, 2008
SOURCE: sony kdf-E2000
I've seen this exact problem before and it was the lamp. Take it out (if in doubt) and look for glass fragments in the reflector. Even if the glass capsule isn't shattered, the bulb can still be bad. This is the easiest failure to visually confirm. A lamp should last between 2 to 3 years depending on the amount of daily use the TV gets. Should a bulb last less than two years the lamp cooling fans may need cleaned. Homes with a dust problem, smokers, pets and open windows are more prone to dust accumulation inside the TV. If you take the lamp out and see dust bunnies inside the lamp housing, the set should be cleaned and fans checked for dust deposits. Every six months or sooner vacuum the rear cover panel and area behind the entertainment furniture.
Posted on Nov 11, 2008
Please check fisrst that indicator liight (LED) blinks how many times.it could be from 1 to 8 times and the interval would be of three seconds.So, count the led flashes how many times and then tell me i will try my best to find and fix the solution.
Posted on Nov 19, 2008
There are three fans the one that usually fails is located on top of the optical block and cannot be reached by the owner unless you take the set apart yourself. What is happening is that one of the fans are not spinning fast enough or has stopped altogether. The best solution is to replace all three fans cleaning may not be enough to get a slow fan up to speed, and the tech should blow out the dust in the duct work. This is what the tech coming out will (or should) be doing. Also some fans will have an intermittent startup, and cause this intermittently, so it is a good idea just to replace the fans instead of just cleaning them.
Posted on Sep 02, 2009
First of all, there are no lamps inside this set, there are CRTs. These are not just replaced as lamps would be. The CRTs themselves will run at leas $80 each. To change these will require replacing the coolant for the CRT as well which is not a DYI type of job. The coolant is dangerous and needs to be handled carefully. Also, once a CRT is replaced, a complete mechanical and electronic convergence adjustment must be made. There is a specific order in which to do this that is outlined in the service manual and it requires a template that would need to be purchased as well.
Unless there is a specific problem that needs to be addressed, it is unlikely that any of the CRTs needs to be replaced.
If you are having a problem with the set, can you please update this with a description of the problem? We should be able to assist in the resulution of the problem with something less drastic than CRT replacement.
Posted on Nov 20, 2009
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