Adam.. Yes that is one of the ICs that are prone to go down. Make sure the last three number matches the ones your replacing. Vendors tell you its the same thing, but it is not. Regarding what you can do to help with the overheating: I got some silicone heatsink compound and applied it to the heatsink before installing replacement ICs. It helps to throw in a small 12v fan that direct-cools the heatsink. I have a pair of OEM ICs home I think. I will double check and let you know. Tell me what are the numbers of the two you have. Did you determine that they are both indeed defective? You can do so by just desoldering and removing one at a time and powering up the system after you remove each. Perhaps, only one is bad. Once you remove one, power up the system and see if the stays on. If it does the remaining IC was not causing the error.

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