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I have 2 Zone 1 Amps I need to fix. Anyone had any luck doing so? They are from an Allegra and Rhapsody and they appear identical.

For Starters, How do you get the steel plate out of the aluminum extruded heat sync? That plate that provides the pressure to keep the parts against the heat sync and is probably snapped into the extrusion under some even pressure. Getting it out looks to be fraught with danger of damage.

While welcome, I'm not really expecting to find any schematics, somehow those have been kept top secret even for these end-of-life products. But I would imagine the problems are in final and the amps themselves look to be packaged devices I also expect to be common parts.

But I may get surprised. Thoughts welcome.
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