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Plain ole user
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Yes, you can use the STK392-570 in this set, but understand that there appear to be lots of bad parts on the market. Buy them only from one of the recommended suppliers like Acme or B&D. The -560 seems to be less counterfeited but will be more expensive because it has been discontinued longer.

Read this regarding protection:

http://www.hometheatershack.com/for...information/15037-protecting-your-system.html

I have seen power surges cause failures in these output ICs, but they are also a high failure point in all CRT based RPTV and can fail for no reason other than heat and age. Regardless, it makes no sense to me to not protect your system, as the cost is low for decent surge suppressors, and grounding can cost little to nothing. Unplugging a system is hardly practical, and unless you disconnect ALL signal lines like cable, sat, and phone that connect to the system, you can still be affected by surges due to lightning.
 

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Plain ole user
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11,121 Posts
It makes more difference where you get them than which chip you use. The -570 does appear to be a little more robust, but if you get a bad one it really does not matter which version it is, it is still a waste of time.
 
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