Samsung HTQ45 System "tell cooling fan tv" Questions

...tell if the color wheel or the cooling fan is out When my tv went out I pulled the lamp, the lamp has no glass shards and it look like the little copper wire is still hooked to the filament. Before ...

...fan only extends the functionality twice as long but still has the same issue. I did notice on the subwoofer motherboard that there's a dark spot near a few transistors/regulators. I suspect at least ...