6
Digital
Control
Troubleshooting
Use this procedure only if you have read Chapter 4, “Start Troubleshooting
Here.
n
The digital control group assemblies consist of the following:
n
CPU
q
A9
n
Display
q
A2,
A18,
A19,
A27
n
Front Panel
q
Al,
A2
n
Digital IF
q
A10
n
Rear Panel Interface
q
Al6
Begin with “CPU Troubleshooting,” then proceed to the assembly that you
suspect has a problem. If you suspect an HP-IB interface problem, refer to
“HP-IB Failures,” at the end of this chapter.
Digital Control Troubleshooting
6-1
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