Don't even think about it, panasonic uses its audio pads to the limit, the 8950j clams it with + -35V and the 8920bj with + -29V, not counting the frequency pin that both pads work with different frequencies, the mode control pin. Stndby and mute and operation are different DC voltages for each mode. Those ICs can only be substituted for the same, another not, those R of 10ohm are from PreVCC are not d force. Kita your old IC, clean the board, review audio signal pins, check pin 1 with a multimeter that has the correct frequency, and then look for the similar pickup and replace it, or put the 8920 because it will break. I hope you solve. Salu2