Instruction manual

Chapter 1 Performance Tests
Agilent 53131A/132A/181A Operational Verification
1-6 Assembly-Level Service Guide
1
5 Verify that the following happens:
• All segments of the front-panel display light up,
• SELFTST: PASS is displayed,
• GPIB AT n is quickly displayed—where “n” represents the GPIB address (Note
that some earlier versions of the Counter’s firmware did not display the GPIB
address at power-up.), and
• dashes are displayed.
The Counter is now ready to measure frequency of a signal applied to CHANNEL 1
input as indicated by illumination of the Freq and Ch1 annunciators.
If a fail message is displayed, refer to the troubleshooting section in Chapter 2,
“Service,” of this guide.
6 For Agilent 53131A/132A, mark Pass or Fail in the Agilent 53131A/132A
Performance Test Record on page 1-41, Test 1.
6’ For Agilent 53181A, mark Pass or Fail in the Agilent 53181A Performance Test
Record on page 1-71, Test 1.
7 Connect the Counter’s rear-panel 10 MHz Out as shown in Figure 1-1A or
Figure 1-1B, depending on which Counter you are testing.
Figure 1-1A. Operational Verification Setup for Agilent 53131A/132A
Channel 2
Channel 1
H
P 53131A/132A
C
ounter
BNC Tee
10 MHz
Out
(rear panel)