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TV WILLNOT TURN ON THE RED LCS BLINKS BUT NEVER GOES COMPLETELY BLUE (ON) WHAT IS WRONG IS IT BUTTON SET IS IT BALLAST IS IT POWER SUPPLY WHO KNOWS ANYBODY HAVE A CLUE ?
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The ballast unit has most likely failed. Replace the ballast unit, unless the lamp exploded and in which case, there may be glass fragments stopping a fan from turning.
5 times red standby light blinking shows problem with ballast supply board in Sony KDF-E50A10 model tv, ballast supply board provides high voltage to lamp to produce high bright light. Please check/ replace ballast supply board in tv by local tv repairman. Thanks.
Hello. Ballast in Sony is one of the most reliable parts, almost never goes bad. I assume you have TV unplugged from the wall outlet to reset error memory (not to mention that you have to do it anyway during ballast replacement). I hope you are using good quality lamp, because cheap substitute from E-Bay can cause same problem. Lamp and ballast works as duo and on-board diagnostic system is unable to separate them unless lamp is completely blown (in that case you will have steady "Lamp" LED blinking). You need to set TV up with back cover removed but lamp door attached (there is switch that prevent TV from working if lamp door is removed). You need to locate large 2-wire connector on ballast and make sure that it's getting about 330V DC from power supply board when you turning your TV on. If it's not there - you have power supply board problem. There should be fuse on it (not on the ballast board but power supply board - just trace those two thick wires where they coming from). That fuse could be blown by previous bad ballast shortage. Small connector on ballast have 5 pins. Some of them ground, one of them steady 5V and another trigger (turn on signal) 5V. Make sure all voltages are there. If there is no trigger 5V - you have problem with main board. In my experience 90% cases - it is very bad quality new lamp or something is just not connected (forgot to put plug all the way or something). Good luck! Russ.
When was the projection lamp last change?If the tv,projection lamp inside the tv at last change was 1/ 1/2 or 2 years ago,and the tv is on,an in use at lest 4 or 5 hours day.The projection lamp life,it over should be change the projection lamp.Now tv turn on LED light "LAMP" indication light up or flashes?Yes,the projection is dead,hear alot of clicking too?The Ballast board it also dead,should be change too.The Ballast board,this board job,it help to ignite the projection lamp.
Lets figure out the problem before providing a complete solution here.
The stnadby light should blink in a repeated pattern of a fixed count of blinks with a short pause inbetween. Please post that count. It will indicate the circuit that has the problem. Once we know that we can provide a solution.
Its your ballast. it has as short. i recommend changing the ballast. while you are inside the set, i would run a break point test on the power board to be safe but, im sure its the ballast.
You need to replace the power supply board. The new ones have a bigger heat sink - obviously JVC knows about the problem because they made the new ones bigger. It cost $250 from JVC and I installed it myself - took about 3 hours to do. If you are not tech savvy call a repairman. Hope this helps.
a tv has two components, firstly a power supply produces high voltage to trigger a line transformer, in turn a transformer produces smaller voltages. firstly check if the ht is constantly been produced from a supply, if this is there than go to a line transformer, and check voltages at the output.
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