ankit wrote:The problem you mentioned can have one of the following possibilities:
3) Power Supply
In Samsung televisions if there is no picture coming up (i.e. lamp does not ignite) then the audio will turn off too. Now to diagnose the TV, the first bet is always on lamp which is almost as issue with this kind of problem.
You can also try to check the condition of a lamp by physically looking at the lamp. Look at the top edge joint where a wire from outside is connected. If you find some white fuzz around that, then most likely it’s a lamp. This is one of the ways to detect if lamp is bad.
If it does not solve your problem then I believe it’s a power supply issue since you already tried to replace the ballast.
I would recommend replacing the lamp, which seems to be most economical option too. Hopefully it should solve your problem but even if it does not you can have a spare lamp which you will need it for sure looking at your tv usage.You find the original lamp at very cheap price here:
Samsung HLS6187WX/XAA Lamp
Please note the original lamp for this model is Philips. Do not buy other lamp brand which may cause other TV part go bad.
I hope it helps. Let us know how it goes or if you have any other questions or comments.
ankit wrote:That perfectly a relevant question and I should have addressed that earlier.. my bad ;)
Actually its quite normal when the lamp started to go bad. The lamp contains mercury which dissipate over time. So in the layman terms, when you turn on the lamp it can not maintain the current as there is not enough power to maintain the ignite. This is why you are getting image at first but after a while tv gets shut down once the lamp heats up. And eventually it will stop igniting at all.
I hope this shed some light on your question.
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