Cirrus Logic CDB4271 - Manual (Page 12)

CDB4271
12
2.2.1Verifying Board Operation:
1) If connected, disconnect the PC parallel cable.
2) Set all positions on S1 to LO, with the exception of M0 which should be set to HI.
3) Assert a reset by pressing the RESET button (S2).
4) Apply a S/PDIF input signal to the optical connector (OPT1). The converted signal should
appear at the analog output jacks AOUTR and AOUTL.
5) Apply an analog input signal to the analog input jacks AINR and AINL. The converted sig-
nal should appear at the S/PDIF TX output jacks (J12 and J18).