Troubleshooting 4
6000 X-Series Oscilloscopes Service Guide 69
Troubleshooting Internal Assemblies
The service policy for all bandwidth model oscilloscopes is assembly level
replacement. You can use the procedures described in this section to help identify
assemblies that need replacement.
Generally, you want to make sure cables to the assembly are good and properly
seated. Then, you check that the assembly is supplied with the proper power. If
cables are good and the power is good, but the assembly still does not function
properly, it must be replaced.
If you need parts or assistance from Keysight Technologies to repair your
instrument, go to www.keysight.com and locate the service facility for your area.
Equipment Required for Troubleshooting Internal Assemblies
The equipment listed in this table is required to troubleshoot the oscilloscope.
To prepare for internal assembly troubleshooting
Table 18 Equipment Required to Troubleshoot the Oscilloscope
Equipment Critical Specifications Recommended Model/Part
Digital multimeter Accuracy ±0.05,% 1 mV resolution Keysight 34401A/34461A
Oscilloscope Capable of measuring ≥ 500 MHz signal. 1 MΩ input
impedance.
Keysight
DSO6102A, MSO6102A, DSO7104A/B,
or MSO7104A/B
HAZARDOUS VOLTAGES EXIST — REMOVE POWER FIRST !
The procedures described in this section are performed with power supplied to the oscilloscope and
with the protective covers removed. Only trained service personnel who are aware of the hazards
involved should perform the procedures. Whenever possible, perform the procedures with the power
cord removed from the oscilloscope. Read the safety notice at the back of this book before proceeding.
HAZARDOUS VOLTAGES EXIST — HIGH VOLTAGE IS PRESENT ON POWER SUPPLY HEAT SINKS !
The power supply heat sinks of the 6000 X-Series oscilloscopes are at a high potential. This presents an
electric shock hazard. Protect yourself from electric shock by keeping this area covered or by not coming
in contact with the heat sinks when the power cord is attached to the oscilloscope!
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