Figure 6-7 Troubleshooting Guide - Ttl Inputs (Continued) - Agilent Technologies E4416A Service Manual

6 Troubleshooting
Remove A2 Processor Assy (see chapter 5) to gain access
to the Communications Assembly connector.
Measure resistance between Rmt I/O connector pin 6
and connector J4 pin 43.

Figure 6-7 Troubleshooting Guide - TTL Inputs (continued)

124
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B
Meter reading
470Ω + / − 10%
Yes
Measure resistance between Rmt
I/O connector pin 5 and connector
J4 pin 44.
Meter reading
470Ω + / − 10%
Yes
A2 Processor assy defective
End
No
No
A4 Comms assy defective
E4416A/E4417A Power Meters Service Guide