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The chances of the ballast failing are small on this model. Count how many times the Yellow light flashes before it pauses. Then google 57HM167 and the amount of blinks. ie " 57HM167 Yellow light flashes 3 times" That will tell you what you need to know. You can also post it here and we can help. I suspect you have a stuck fan(the fans are monitored to see if they are spinning. If not, they will not allow the TV to start up). Or you have the cover for the lamp not installed all the way. There is a switch that the lamp cover activates and the the TV will not turn on without it secured.
Color Wheel could cause this, it must spin exactly 9,000 rpm per second ,but so can having a bad ballast board it is what powers Lamp on, If you still have the old Lamp and your sure the Lamp was Bad then reinstall old lamp and see if their is an ark coming from Spark Gap on the Ballast Board,
If you see an ark then Ballast is OK.Heres another thing watch the Lamp Fan if it is defective Lamp will not power on, If the Lamp Fan stops when Lamp trys to firer,then replace the lamp Fan.
You may have a Lamp fan that is not turning. You can verify this shining a flashlight in the Fan Exhaust housing and see if it turns when you turn the set on.
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.
what i would do is crack into the tv and watch the individual parts being careful not to unplug anything while you take the back panel off.....turn it on and see what happens. let me know what happens
Refer to owners manual on code of blinking lights. 2 red blinks means fan is about to fail etc.. thats just an example of course. See the manual it will tell you what the blinking means. It will also tell you if you can fix it or you need a tech.
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