Agilent Technologies E4418B Service Manual page 121

Figure 6-1: Troubleshooting Guide -Upper Window TTL Output
No
Yes
Investigate Power
Meter Failure
Agilent E4418B/E4419B Service Guide
Start
Power Up
meter
POST
Pass?
Yes
Connect Sensor to Channel A
Any Sensor
Errors?
No
Press
System/Inputs
More
Service
Self Test
Instrument Self Test
Self Test
Errors?
No
Select Done
Using DVM E2373A or equivalent,
set to VDC, monitor Rmt I/O
Connector pin 3 wrt pin 8.
A
End
Troubleshooting
Introduction
Yes
Investigate
Sensor failure
6-3