Tektronix THS710A Manual do Utilizador descarregar pdf (Página 117)

Maintenance

THS710A, THS720A, THS730A & THS720P Service Manual

6–35

Follow these steps to troubleshoot using diagnostics.

1. To execute the internal diagnostic tests, remove all input signals from the

instrument and then perform the following steps:

SCO

UTI

ITY

System Diag

Loop Once

Execute

—

OK Run Test

2. A dialog box displays the result when the diagnostic tests completes. If any

test fails, the main board is probably defective. Replace it.

3. If all tests pass, press the CLEAR MENU button to continue operation.

4. You should be able to compensate the signal path of a functioning instru-

ment. To execute Signal Path Compensation, remove all input signals from

the instrument and then perform the following steps:

SCO

UTI

ITY

System Cal

Signal Path

—

OK Compensate Signal

Paths

5. If Signal Path Compensation does not complete successfully, perform the

Factory Cal Scope adjustment on page 5–5 and then repeat step 4.

6. If all tests pass, press the CLEAR MENU button to continue operation.

7. If trouble persists, proceed to Input Connections.

Executing Diagnostics

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Tektronix THS710A Manual do Utilizador Página 117