Keysight E4980AL - Function Specific Troubleshooting

Keysight E4980A/E4980AL Precision LCR Meter 47
Troubleshooting
Function Specific Troubleshooting
Function Specific Troubleshooting
If the E4980A/ E4980AL exhibits a failure symptom that is related to a specific
function or control such as a front panel key control, display, data storage,
remote control interface, external trigger, isolate the trouble using the
Function Specific Troubleshooting procedures described below. The major
functions of the E4980A/ E4980AL and the troubleshooting procedure for each
function are shown in Table 4-3.
Table 4-3 Major functions and troubleshooting procedures
Function Description Troubleshooting
Front panel keys All the E4980A/ E4980AL functions can be set
and controlled via the front panel keys.
Refer to “To Check the
Front Panel” on
page 48.
LCD display Almost all the information including the
measurement value, setup state, result data
processing, menu bar, softkey label and others
are indicated on the LCD display.
Refer to “To Check the
LCD” on page 48.
Front USB port The USB port is used to save data in a USB
memory. The LED for USB lights up while
accessing the USB memory.
Refer to “To Check the
Front USB port” on
page 49.
External trigger input The external trigger input terminal (BNC) on the
rear panel allows an external trigger source to be
used for measurement trigger.
Refer to “To Check the
External Trigger Input”
on page 49.
LAN port The LAN interface port on the rear panel allows
the E4980A/ E4980AL to be connected to 10/100
Base-T Ethernet.
Refer to “To Check the
LAN” on page 50.
GPIB Interface The GPIB compatibility allows the E4980A/
E4980AL to be operated as a talker/listener on
IEEE 488 interface bus.
Refer to “To Check the
GPIB” on page 52.
USB (USBTMC) Interface Through this port, you can control the E4980A/
E4980AL via external controllers. It is equivalent
to control via GPIB.
Refer to in “To Check the
USB (USBTMC)
Interface Card” on
page 52.
Handler interface
(Option E4980A-201)
The interface is for data exchange with an
automatic machine (handler) used on production
line.
Refer to in “To Check the
Handler Interface
Function (Option 201
only)” on page 52.
Scanner interface
(Option E4980A-301)
The interface to connect a scanner to perform up
to 128 sets of multi-channel correction and
measurements.
Refer to in “To Check the
Scanner Interface
Function (Option 301
only)” on page 57.