Table of Contents
Advertisement
Service Information
Test and Adjustment Procedures
The
whenever any active electronic part is replaced in the test set.
Additional procedures are required when certain components are
replaced.
additional procedures depend on the location of the replaced component.
The additional procedures are indicated as A, B, C, D, F, Q, R, S and Z
in
Table 2-4
Additional Required Procedures for Assemblies Replaced
Description of the Replaced
Component
Millimeter Head Interface Bd
Test Set Controller Bd
RF/LO Bias/ALC Bd
Preamplifier Bias Bd
RF 4-way Divider
RF Detector
Coax Cable, Sloped
Attenuator
Preamplifier
RF/LO Amplifier
RF Directional Coupler
RF Switch, SPDT Solid State
1. Refer to
Figure 2-2
thru
2. Procedure "C" must be done before removing the "old" board.
The procedures referenced above may be found on the following pages. Many
of the steps require familiarity with the
page
78
"Test Set Operation Check" on page 68
Table 2-4
indicates when additional procedures are required. The
Table
2-4.
Keysight
Location:
Part Number
Ports 1 & 2
RF Section
N5261-60101
N5261-60006
N5261-60103
Q
N5261-60104
N5262-80003
3333-80021
Q
N5262-20033
Q
5087-7750
5087-7771
Q A D
0955-0148
Q A D
5087-7733
Q A D
Figure 2-5
and
Figure 2-8
thru
68.
should be performed
Location:
Ports 3 & 4
1
1
RF Section
R
R
R
R B D
R B D
R B D
Figure 2-11
to determine part location.
"Preparation"
Keysight N5261/62A User's & Service Guide
Location:
General
LO Section
Location
Z
2
C
D
S
S
S
S
S
S
S
section beginning on
Advertisement
Table of Contents
Troubleshooting
