Help identifying semiconductors

Working on a Sony xm-gs6dsp. Looks to be a diode but cant seem to find any date sheet on it. Here some pictures. I have one good amp I'm able to get pictures and marking from.

 

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I never did see anything under that zener diode. But when I went to power the amplifier up the resistor that says 220 on the top of it went up in smoke. the board doesn't have any component location marks . with only power and ground connected no remote was ever connected. Here one pic I took from a good amp. The sex pic is the damage area from the bad amp. The components I'm not too sure they j fits but they say CCB on top. Should I replace them. In the damage amp pic they look burnt , there unreadable
 

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