RECN_2963_Qu16_Audio_PCB__004_372__AG8891_issue_2_AE8550_diodes_no_longer_fitted_improve_protection_no_action_or_update_required March 5, 2014 RECN_2963_Qu16_Audio_PCB__004_372__AG8891_issue_2_AE8550_diodes_no_longer_fitted_improve_protection_no_action_or_update_required