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ZVB 4
Rohde & Schwarz ZVB 4 User Manual
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1145.1078.82-04
Serv
ice Man
ual
Vector Network Analyzers
R&S
®
ZVB 4 / ZVB 8 / ZVB 14 / ZV
B 20
1145
.
1010
.
04
/
06 /
08
/
10 /
14
/
17
/19
/
20
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23
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25
T
e
s
t and Mea
s
u
r
e
m
ent
2
Table of Contents
- Chapter 2 "Alignment"
57
Default Chapter
2
Documents
2
Alignment
3
Table of Contents
6
Checking the Frequency Uncertainty
14
Performance Test
14
Checking the Harmonics
15
Checking the Maximum Output Power
16
Checking the Accuracy of Output Power
17
Checking the Output Linearity
18
Checking the Power Measurement Uncertainty
19
Checking the Input Linearity
20
Checking the Input Noise Level
21
Checking the Matching (Raw)
22
Checking the Dynamic Range
23
Checking the Dynamic Range Reduced Due to Spurious
24
Checking the DC Measurement Inputs
25
Checking the Optional R&S ZVB20-B80 Low Frequency Extension
26
Checking the Optional R&S ZVB20-B81 External Testset
27
Performance Test Report
28
Frequency Accuracy
57
Alignment
59
Service Menu
59
Manual Alignment and Recording Correction Values
62
Test Equipment
62
Aligning the Frequency Accuracy
62
Aligning the DC Inputs
63
Correction Value Recording and Factory System Error Calibration
65
Installation of the Alignment Program
65
Checking the Gauge
65
- Chapter 3 "Repairs"
67
Default Chapter
67
Disk Drive
67
Repairs
69
Instrument Construction and Function Description
69
Block Diagram
70
Description of the Block Diagram
79
Power Supply
87
Board Replacement
88
Board Overview
89
Replacing Front Module Controller A90
90
Switching Foil
91
Protocol
92
Replacing the Lithium Battery on the Front Module Controller
93
Replacing Hard Disk A60
95
Replacing LCD A70 and the DC/AC Converter
96
Replacing Flexible Switch Board (Keyboard) A16 / Key Pad A15
98
Replacing the Front Cover
100
Replacing Disk Drive A30
101
Replacing USB Board A40
102
Replacing Power Supply A20
103
Replacing Fuse Board A21
104
Replacing a Fan
105
Installation
105
Replacing Motherboard A10
106
Replacing a Reflectometer RM8 A510 to 540
109
Replacing Generator Board (R&S ZVB4/8 Only)
110
Replacing Receiver Board (R&S ZVB4/8 Only)
111
Replacing Generator and Receiver Cover (R&S ZVB4/8 Only)
112
Replacing the Inner Conductor of a Port Connector (R&S ZVB4/8 Only)
113
Replacing the Bridge Unit (R&S ZVB4/8 Only)
114
Replacing a Reflectometer RM20 A510 to 540
115
Replacing the Coupler Unit (R&S ZVB20 Only)
116
Replacing the Reflectometer Fan
117
Replacing Network Controller Board A130, A140
118
Replacing Synthesizer Board A150, A160
119
Replacing lo Divider A600
120
Replacing Frequency Reference Board A100
121
Troubleshooting
122
Test Equipment and Accessories
122
Replacement
122
Troubleshooting - Power-Up Problems
123
Troubleshooting Boot Problems
124
Troubleshooting - Boot Error
125
Troubleshooting with the Selftest
126
Replacement
130
Checking the Temperature Sensors
131
Service Functions
132
Motherboard Function
135
Determining Which Boards Are Defective
136
Performance Test
136
Board Test
137
Testing the Frequency Reference Board
138
Test Equipment
138
Testing the Synthesizer Board
139
Testing the Reflectometer RM8
142
Testing the Reflectometer RM20
146
Testing the lo Divider Board
150
Testing the Network Controller Board
151
Testing the Motherboard
152
Software Update
153
Replacement
156
Contents - Chapter 5 "Documents"
157
Power Cables
157
Documents
159
Spare Parts
159
Available Power Cables
159
Module
159
Spare Parts List
160
Mechanical Drawings
160
Block Circuit Diagram
189
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Rohde & Schwarz ZVB 4 Specifications
General
Brand
Rohde & Schwarz
Model
ZVB 4
Category
Measuring Instruments
Language
English
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