Maintenance
Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual
4- 13
Troubleshooting Procedure
Figures 4--3 through 4--5 are troubleshooting procedure flowcharts. Use them to
troubleshoot an instrument failure. Begin with Figure 4--3.
WARNING.
Before removing the cabinet, disconnect the power cord from the line
voltage source. Failure to do so could cause serious injury or death.
Yes
No
Done.
Power on the
instrument.
Perform the AC Power Supply
troubleshooting procedure
(Figure 4--4).
Yes
No
Perform the Module Isolation
troubleshooting procedure
(Figure 4--5).
Does
the instrument pass
all the
diagnostics?
Does
the instrument
display the power-up
screen?
Figure 4- 3: Primary troubleshooting procedure
Summary of Contents for 4000 Series
Page 8: ...Service Safety Summary vi Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual ...
Page 13: ...Operating Information ...
Page 14: ......
Page 16: ...Operating Information 1 2 Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual ...
Page 17: ...Theory of Operation ...
Page 18: ......
Page 22: ...Theory of Operation 2 4 Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual ...
Page 23: ...Adjustment Procedures ...
Page 24: ......
Page 37: ...Maintenance ...
Page 38: ......
Page 55: ...Mechanical Parts List ...
Page 56: ......