Test A: The Audio Unit is Inoperative/Does Not Operate Correctly

PINPOINT TEST A: THE AUDIO UNIT IS INOPERATIVE/DOES NOT OPERATE CORRECTLY

A1-A2:

A3-A6:

A6-A7:

Normal Operation
The audio unit receives voltage at all times through circuit 1111 (VT), and it receives accessory delay voltage through circuit 1006 (DG/WH). The audio unit is provided ground through circuit 1204 (BK/OG).

Possible Causes
- Fuse
- Circuit 1006 (DG/WH) open
- Circuit 1111 (VT) open
- Circuit 1204 (BK/OG) open
- Audio unit