On mine, the battery + is pins 3 and 4. Battery - is pin 13. Pins 1 and 2 are AC hot (center rail). Pins 3 and 4 are chassis ground. Pins 5 and 6 go to pins 5, 6, and 19 on the audio board. Is the battery wired backwards? I tried holding the battery connector backwards but still no sounds during power interruption. Do I need to go ahead and swap the leads in the motherboard connector?
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