Keyboard Audio Test

1 Diagnostic Link

Diagnostics>>System Function>>Global Operator Console>>Keyboard Datapaths

Diagnostics>>Hardware Location>>Global Operator Console>>Keyboard Datapaths

Figure 1. Keyboard Datapaths

2 Purpose

This diagnostic tests the audio output capability by testing the SCIM communication path. It sends a high-pitched audio command to the keyboard processor.

3 Components Tested

SCIM communication path

4 Requirements

None

5 Block Diagram

Figure 2. SCIM to SCP Block Diagram

6 Test Sequence

Before running this test, verify that the manual dial for volume control is set to its maximum setting.

1. Click Run.

7 Expected Results

If the keyboard audio output is faulty, this test will not fail.