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Anritsu s331c Maintenance Manual
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6-9
LCD Assembly Replacement
Assembly Replacement
6-10
PN: 10580-00253 Rev. J
S3xxE MM
4.
Turn the LCD assembly over and disconnect the
front half of the case from the LCD assembly
(
Figure
6-12
).
5.
Use a Phillips screwdriver to remove the four
screws securing the LCD to the housing, see
Figure
6-13
.
Figure
6-12.
Replacing the LCD Assembly
Figure
6-13.
Replacing the LCD
Disconnect Cable
LCD Cable to
Motherboard
Remove 4 screws to replace LCD
LCD Backlight
Cable
LCD Backlight
PCB
63
65
Table of Contents
Default Chapter
7
Safety Symbols
7
Table of Contents
11
Chapter 1-General Information
13
Introduction
13
Anritsu Customer Service Centers
13
Recommended Test Equipment
14
Replaceable Parts
16
Chapter 2-Spectrum Analyzer Verification
19
Frequency Accuracy Verification and Adjustment
19
Single Side Band (SSB) Phase Noise Verification
21
Spurious Response (Second Harmonic Distortion) Verification
22
Resolution Bandwidth Accuracy Verification
24
RBW Test
24
Spectrum Analyzer Absolute Amplitude Accuracy Verification
25
50 Mhz Amplitude Accuracy Verification
25
Amplitude Accuracy Across Frequency Verification
28
Residual Spurious Response Verification
32
Residual Spurious Response Test with Preamp off
32
Residual Spurious Response Test with Preamp on
33
Displayed Average Noise Level (DANL)
34
Third Order Intercept (TOI) Verification
36
Chapter 3-Cable And Antenna Analyzer Verification
39
Frequency Accuracy Verification
39
Return Loss Accuracy Verification
40
Chapter 4-Option Verification
41
Introduction
41
Option 10, Bias Tee Verification
41
Low Current Test Verification
41
High Current Test Verification
42
Fault Verification
43
Option 21, Transmission Measurement, System Dynamic Range
44
Option 29, Power Meter Level Accuracy
45
Option 31, GPS Verification
47
Frequency Accuracy Verification (Only for Models S332E and S362E)
47
GPS Antenna Bias Tee Verification
48
Chapter 5-Battery Information
51
General Information
51
Battery Pack Removal and Replacement
52
Chapter 6-Assembly Replacement
55
Opening the Site Master Case
55
PCB Assembly Removal
57
SPA Assembly Replacement
58
SPA and MB/VNA N Connector Replacement
59
GPS (Opt. 31) Replacement
60
Option Assembly Replacement
61
Motherboard/Vna Assembly Replacement
61
Fan Assembly Replacement
62
LCD Assembly Replacement
63
6-10 LCD Backlight PCB Removal and Replacement
65
Keypad and Keypad PCB Replacement
66
6-12 Touch Screen Replacement
67
Chapter 7-Troubleshooting
69
Introduction
69
Turn-On Problems
69
Other Problems
70
Appendix A-Test Records
71
Test Records for Spectrum Analyzer Verification
72
Test Records for Cable and Antenna Analyzer Verification
82
Test Records for Options Verification
83
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Anritsu s331c Specifications
General
Brand
Anritsu
Model
s331c
Category
Measuring Instruments
Language
English
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