OK. That seems to eliminate the protection components on the main board.
On the audio driver board, on the center row of pins, one end pin has 15v. Sso you know that you have the right pin, confirm that it has 15v. On the other end of that row, do you see a pulsing output?
On the audio driver board, on the center row of pins, one end pin has 15v. Sso you know that you have the right pin, confirm that it has 15v. On the other end of that row, do you see a pulsing output?
Do you have both positive and negative rail voltage?
Do you have the proper output voltage on all of the regulators? Place the black probe on the 'ground' pin of each regulator when measuring the voltage. The 78xx ground is the center leg. The 79xx ground is the first leg.
Do you have the proper output voltage on all of the regulators? Place the black probe on the 'ground' pin of each regulator when measuring the voltage. The 78xx ground is the center leg. The 79xx ground is the first leg.
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