Won't power on. Burning smell, High pitch arcing sound,
I found a component under the screen, easy to get to, that has the part number 1590395a that is burnt. It also had VDE Reg N. 7403 506, 70211506334488, TCE 70234 , 1/feb/2005 on it, 1517923, CAV2, Sub 3. It resembles a distributor off of on old car, tan in color with a waxy looking substance on the botttom. I haven't been able to find the part on the web yet, Just found it today. Any ideas as to what it is and how to get it. I am a CATV/Phone/IT headend engineer and I deal with electronics all the time, but have never worked on a TV. Lack of experience has never stopped me b4 so why stop now?
Re: Won't power on. Burning smell, High pitch arcing...
I have a HD56W58 and it had the same problem. One day the picture went blank and then it made a loud popping sound and smelled like something burning. Now it will not turn on. Has this happened to anyone else? I
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I can answer some of your questions without being there in person. The smell inside the van is from fresh air entering the venting system. Not sure why you don't get it from all vents. The fresh air intake is in front of the windshield and will pick up any smells from the engine compartment. Loosing the serpentine belt would not necessarily cause you to loose ps fluid, but having a leak could drain the pump and damage the bearings in the pump, causing the pump pulley to drag on the belt. The ps pump could be in the final stage of failing. And the shaft seal in the pump could be leaking fluid onto the engine and exhaust.
UNPLUG SET if you have not done so--fire hazard exists.
I would open rear and LOOK--see what if anything you can see that is burnt---all parts will have a location number printed under or next to them---will point to where problem is---make sure set not plugged in and do not stick your hands inside.
There is somethin wrong with either its EHT section or power supply section. Your description gives me very little to say a strong opinion. In both cases, it is very dangerous to handle the components at these sections. If you haven't got enough experience in handling high voltage electronic sections, never attempt to do anything with this TV. Normally EHT arcing is more common to this type RCA sets. In my opinion, get it repaired by any experienced service technician. OK.
if sound also goes away when throttle is released and sound returns when throttle is pressed down, then you have engine noise from car engine electronics. In older cars, this was quite noticeable when the cars had distributor caps. The electrical noise caused by arcing required for the spark plugs could be your issue. It is resolved with a noise filter which gets wired inline leading to your in-dash deck and power amp (if you have one). The filter can be found many places including Radio Shack and Crutchfield.com. First find your total wattage draw for each component of the sound system (deck and amplifier), then divide by 12 to get current draw through filter. Purchase that size filter or larger.