To Troubleshoot Iic Bus Failures - Agilent Technologies 35670A Service Manual

Agilent 35670A

To troubleshoot IIC bus failures

Use this test to isolate IIC (Inter-IC) bus failures to one of the following assemblies:
A7 CPU
•
A1/A2 Input
•
A5 Analog
•
A10 Rear Panel
•
A11 Keyboard Controller
•
Step 1. Disconnect all assemblies connected to the CPU assembly's IIC bus.
G
• Set the power switch to off (
• Remove the rear panel and disconnect the cable from A10 P100.
• Pull the following assemblies out of the card nest about 1 inch:
A5 Analog
A2 Input (optional)
A1/A2 Input
• Disconnect the keyboard cable from A7 P1.
).
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Troubleshooting the Analyzer
To troubleshoot IIC bus failures
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