U3047AM08
Service Information
Troubleshooting the Test Set
If the U3047AM08 is not operating properly, use the following procedures to
isolate and repair the type of failure encountered. It is recommended that a
qualified service technician perform the following procedures.
Refer to the Keysight PNA Series: Service & Support Home Page at:
http://na.support.keysight.com/pna
for further information.
To request service, please contact your local service center. In the US, call
800-829-4444. For a listing of service centers worldwide, please visit us at
http://www.keysight.com/find/service
.
Non-RF Failures
Typical malfunctions may be the rear panel fan, control lines or front panel
indicator lights.
1.
Verify that the front panel Power Switch is operational.
a.
The rear panel fan and front panel Active LED should operate when the
Standby Switch is in the On position.
2.
AC line voltage checks (remove AC power from the instrument).
a.
Ensure the proper AC line voltage is present at the instrument line cord.
b.
Remove the AC power cord from the instrument. Confirm the
instrument AC line module fuse is operational. See
c.
Internal AC line fuses - Remove the bottom cover of the instrument.
Near the rear panel are two fuse holders, remove the fuses and verify
that they are operational. Refer to
.
3. Internal DC Power - During this check you will apply AC power to the
instrument with the top cover removed. Connect the AC power cord to the
test set.
a. Set the front panel switch to the Standby position. The fans and
indicator lights should be Off.
No operator serviceable parts inside. Refer servicing to qualified
personnel. To prevent electrical shock do not remove covers.
The opening of covers or removal of parts is likely to expose the user to
dangerous voltages. Disconnect the instrument from all voltage sources
before being opened.
Keysight U3047AM08 User's and Service Guide
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