NOTE! The motherboard has been ultrasonic cleaned, recapped, traces repaired, and cleaned again via ultrasonic. The Apple AC Power Adapter I am using has also been cleaned, recapped, and cleaned again.
PROBLEM: I'm hearing a soft pop sound from the speaker every 10 seconds when my 5126 Backlit...
I have an LC III that boots and runs normally, but the internal speaker doesn't work. Well, at least I thought it didn't at first.
External audio works; I heard the startup chime, quacks, and wild eeps through headphones. By accident I was pushing the headphone jack while turning it back on...