Troubleshooting
The internal structure of the electronic load consists of the main board and the
keyboard and they are linked through cables or connectors. This chapter
explains the main troubleshooting procedures for the main board by measuring
the rated test points on them. This will help to determine the reason for the
failure encountered while operating SDL1020X.
ESD Precautions
While performing any internal test of the electronic load, please refer to the
following precautions to avoid damages to its internal modules or components
resulting from ESD.
Touch circuit boards by the edges whenever possible.
Limit handling of static-sensitive modules whenever possible.
.
Wear a grounded antistatic wrist strap to help drain the static voltage from
your body while touching these modules.
Operate static-sensitive modules only in static-free areas. Avoid handling
modules in areas that allow anything capable of generating or holding a
static charge.
Required Equipment
The equipment listed in the following table are required to troubleshoot the
electronic load.
Table 5-1required equipments
Equipment
Critical Specifications
Example
Digital Multimeter
Accuracy ±0.05%
1 mV resolution
SDM3055
Oscilloscope
200 MHz Bandwidth
SDS2102X
