My TV has lost the ability to power on. I can hear the powersubsystem click on but the red light in front flashes and there is no power to the system. 4 Years ago we had it repaired for 400 dollars. We are experiencing the exact same issue. I want know where I can get parts for the power susbsystem. Thanks for your reply in advance.
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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.
Yes,the LED power lite on the front panel stable?Yes,mean the DM power supply board is good.LED power like blinking,mean the DM power supply board is dead.DM power supply is good,still making that clicking sound,when turn on.Mean ur Blast board is dead,that the board that help to light up the projection lamp.
This could be caused by several different things.. your convergence amplifier ICs could be bad, causing 1 of the 2 pico fuses to open up.. another possibility could be bad solder or defective hybrid voltage regulator to be bad (its usually a light brown color).. worse case could be a cracked picture tube hidden by the deflection coil on 1 of the 3 tubes.. might also wanr to check if the horizontal output transistor is shorted..there is also a 1A pico fuse that could be open..
You need to replace both of the convergence ICs they are number STK392-110 you can get new replacement ICs at the following link and they provide free instalation instructions so you can do the repair yourself which tkes about 30 minutes to do and saves you about 400 dollars. heres the link. http://servicemanuals.vstore.ca/