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Re: very dark picture on TV
Try restoring all factory settings. On your remote, press the reset button twice. If that doesn't correct it, then you'll probably need a repair technician. For more info, consult your owners manual, which is also available at
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If it's a old style projection screen pry off front grid, you,ll see a trapezoidal mirror this often becomes hazed smoke, dirt, ect. Make sure set is unplugged DO NOT ASSUME THEIR IS NO SHOCK HAZZARD BECAUSE SET IS UNPLUGGED(see capacitors) be careful and clean mirror with damp cloth and glass cleaner try not to spray as safety percotion, their are 3 tubes red , green, blue, green is th dominaent color if you know how turn blue HVU UP 1st( CLEAN picture tube lens 1st) These type of picture tube have clear poly glycol ( anti freeze) in lens unit to cool and is part of the optical system. I this fluid becomes contaminated then cost of repair may exceed value of unit, then increase red value I just thought you may bee able to do the color via menu not sure, if picture has a green tent at start this should help good luck , lot me know what you see.
The tv needs to be pulled out if it is in a cabinet or moved slightly forward (be careful it doesn't fall on its face) so that you can reinsert the cable that has become unplugged.
The picture cables are either yellow only or blue red and green. so look for a yellow cable that is dangling or a blue or red or green cable that has become undone. The colors coordinate so the hole that the undone cable goes into will be the same color as it. Also check the other end of the cables to make sure that all of them are still plugged in.
If you are using a different sort of connection it is still the same idea. The cables have a spot on the television as well as any connected device that compliments them. The male cable fits securely into the female receptacle hole.
Hi, According to the symptom the problem is relate to the CRT. One of three guns (Red,Blue,Green) causing problem. When it becomes short set goes on standby and when the carbon removes after some times of rest it becomes on, So you need to find which color is missing except red because it is present as you said in your question, now check which color is missing Blue or Green in picture. The one which misses, is faulty gun and needs replacement. Please let me know for further help by reply in comments column. Thanks
This sounds Like the the coolant for your piture tube has become cloudy and needs replacement (usually blue or green tube - thats why the image seems ovrely red).It's a big job (labour wise) since completee dissassembly is required ($200-300). It can be done youreself - check out TVrepairkits.com to get the coolant and instructions.
You can confirm that this is the problem by dissassembling the unit to the point where you can view the face of the CRT's (red green and blue) directly.
I believe you either have a bad LCD Controller Board or a bad Main Board. The only way to know is to replace one. If it doesn't fix it , replace the other. Or replace both and it should be fixed.
I hope this helps,
Normal color picture is composed with 3 colors R-G-B (Red-Green-Blue). Picture turns Red means: Missing Green and Blue colors (many reasons: bad contacts, projector tubes dead, and other...). Try to give some "tabs" to diagnose ... I don't know what is the type of your Projection TV, how long you owned it, to have more idea.
i just found out why, turn on ur tv and remove back look directly into 3 lenses, if the picture is not nice and clear or looks snowy in all 3 u will not get good color or brightness. I removed my blue tube assembly and took it apart WHILE OUT OF TV. there is cooling fluid between lense and tube, this fluid over time will build a film on the face of the tube and get thick enough to block the tube from projecting picture. (MARK EDGES IT GOES BACK TO GETHERE THE SAME WAY IT CAME APART).Find some new fluid then carefully dissasemble and clean interior of lense, housing and tube thouroughly. Reassemble and fill with new fluid. Do not use old fluid it will be cloudy and snow globe effect. Only do 1 tube at a time this will allow u to realign cross manually as close as possible before u perform convergence. Leave the green for last that is the center and the red and blue are moved to match green. Also be sure to clean mirror and back of screen. Pete
Sounds like you have two differant problems. A red drive or red picture tube is bad and the conbvergence IC's are bad. To test the red drive disconnect the green picture tube socket BUT MAKE SURE THE SET IS UNPLUGGED!!Then remove the red socket and move over to the green tube. Then turn on the set. If you get the same out of the green then you have a drive problem that needs to be trouble shot for a bad componet. If you do get a picture with the red connected to the green then the red tube is shot. If you know how to read a schematic, get one and then you should have no problem troubleshooting the red drive and the convergence problem. If you dont then there is no easy or quick fix as this is a solid state set and there are no user replaceable parts inside this.,. Your going to need, for safetys sake, call in a trained tech to assist you with this repair