Chapter 2 Service
Troubleshooting the Instrument
Self-Test
The instrument performs a Self-Test procedure when it is powered on.
The Self-Test can also be invoked from the instrument's Menu.
Running the Self Test
1
Disconnect all cables connected to the instrument's front and rear signal
connectors.
2
Connect the power cord to the power input connector on the instrument's
rear panel and to an appropriate power source.
3
Press and release the Power button on the front panel.
4
Observe the front-panel display and note any error messages displayed.
5
When CH 2 NO SIGNAL is displayed, press and release the Shift key,
and then press and release the Menu key.
6
Press the up-arrow key or the down-arrow key repeatedly until
DO SELF TEST is displayed, and then press and release the Enter key.
7
Observe the front-panel display and note any error messages displayed.
2-30
Assembly Level Service Guide