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    Is this thing a battery or something else?

    This appears to be a button battery either soldered onto the board or glued in a holder. Or is it something else? What is the brown goop? Hot glue or leaking chemicals? It’s from a 1990’s toy called a Kawasaki sax-a-boom. Currently there’s no audio output. I’m hoping that if this is a dead or...
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    Kawasaki Sax-a-Boom Toy Repair

    Hello, I’m seeking advice from anyone with experience repairing electronic toys. I have a toy saxophone that uses four AA batteries, has a three-position slider switch, a volume knob (potentiometer, I assume), circuit board, and speaker. There are also several buttons (saxophone keys) that...
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    Need Help with Radio Shack Kit Project

    Hello, First timer here! I dusted off my old 160 in One Project Kit to try to learn something about circuits, and discovered that the manual wasn't exactly written for beginners. I found what appears to be the simplest project in the book to start with. The instructions suggest a couple of...
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