Technical data

6-2 Chapter 6

Digital Control Troubleshooting

Use this procedure only if you have read Chapter 4 , “Start Troubleshooting Here.”

The digital control group assemblies consist of the following:

• CPU

—A9

•Display

— A2, A18, A19, A27

• Front Panel

—A1, A2

• Digital IF

—A10

• Rear Panel Interface

—A16

Begin with “CPU Troubleshooting (A9)” on page 6-5, then proceed to the assembly that you

suspect has a problem. If you suspect an GPIB interface problem, refer to “GPIB Failures”

on page 6-19.