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The "brown standup thing" already mentioned is likely a culprit. Other capacitors should be replaced as well, as they will break your heart later on.
Another pitfall of the more modern aa5 units is the RC pak. This little monster is a little PC assembly with numerous resistors and capacitors combined in one unit. Largely unobtainable, your restoration of the radio will be stymied if you cannot get a schematic that reveals its mysterious innards. An "old hand" at radio repair could work around it, but someone as a hobbyist with less experience may find this an effective road block.
I cannot see one in the pics you offer, but the danger of one being there is very real, judging by the appearance of the rest of the ckt board.
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