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My notes show that this chassis does use the MCZ3001 chip. Since the original Shindengen chips became temperature sensitive in most of the cases, a good way to check is to preheat the IC before turning the TV on. If it starts every time with the chip preheated, it's bad. If the TV starts most of the time but only fails to start occasionally, you can cool the chip first. If the problem gets worse, the chip is bad.
The bad news isn't changing the chip, the bad news is that originals are scarce. Unfortunately, there are a lot of counterfeit MCZ chips out there, and they not only won't work, but will sometimes trash parts around it. The last place I knew that had originals was B&D.
John
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