Figure 6-20: Platform Troubleshooting Procedure - Tektronix AFG3000 Series Service Manual

Troubleshooting
Platform troubleshoot start Start
Remove the Rear cover,
upper chassis.
Turn on power
Check DC output
voltages of power supply
at connector on the CPU
board.
No
Good voltage?
Yes
No
Does the fan operate?
Yes
No
Are front panel keys
active?
Yes
No
Is the LCD display
no problem?
Yes
No
Do USB, GPIB, and
LAN function normally?
Yes
Completed a platform check
1

Figure 6-20: Platform troubleshooting procedure

6-26
Replace the power supply.
Replace the fan.
No
Is the LCD display
OK?
Yes
Replace the Key board.
Check oscillation of the
Inverter by bring the
probe of the oscilloscope
close to the Inverter.
Replace the CPU board.
AFG3000 Series Arbitrary/Function Generators Service Manual
Replace the CPU board.
No
Does the Inverter
operate?
Yes
Replace the LCD module.
Replace the Inverter.