Keysight U3606A - Page 258

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7 Disassembly and Repair

Mechanical Disassembly

236 U3606A User’s and Service Guide

13 Remove the keypad and display assembly. The rubber keypad and VFD

display assembly can now be pulled out from the plastic housing.

14 To reassemble all the modules again, just follow the disassembly

procedure backwards.

Main Page

Restricted Rights Legend3
Safety Symbols4
Environmental Conditions6
In this Guide9
Introduction24
Output Features25
System Features25
Initial Inspection26
Connecting Power to the Instrument27
Adjusting the Handle28
To Rack Mount the Instrument29
Stacking the Instrument30
Product at a Glance31
The Front Panel at a Glance32
The Display at a Glance33
U3606A User's and Service Guide35
The Keypad at a Glance36
U3606A User's and Service Guide37
U3606A User's and Service Guide39
The Terminals at a Glance41
The Rear Panel at a Glance44
2 Digital Multimeter Operation45
Making Measurements46
Performing Voltage Measurements47
Table 2-1 DC Voltage Measurement Summary48
Table 2-2 AC Voltage Measurement Summary49
Performing Current Measurements51
Table 2-3 DC Current Measurement Summary52
Table 2-4 AC Current Measurement Summary53
Performing Resistance (2-Wire) Measurements55
Table 2-5 Resistance Measurement Summary56
Performing Low-Resistance (4-Wire) Measurements57
Figure 2-4 Terminal Connections for 4-Wire Resistance Measurements58
Table 2-6 Low-Resistance Measurement Summary59
Performing Frequency, Pulse Width, and Duty Cycle Measurements60
Table 2-7 Frequency Measurement (Voltage Path) Summary62
Table 2-8 Frequency Measurement (Current Path) Summary65
Performing Capacitance Measurements68
Figure 2-7 Terminal Connections for Capacitance Measurements69
Table 2-9 Capacitance Measurement Summary70
Performing Continuity Tests71
Table 2-10 Continuity Function Summary72
Performing Diode Tests73
Table 2-11 Diode Function Summary74
Selecting a Range76
Setting the Resolution77
Math Operations78
Null79
Dbm Measurements81
Db Measurements82
Minmax84
Limit86
Hold89
Triggering the Multimeter91
Front Panel Triggering92
Remote Interface Triggering93
3 DC Power Supply Operation95
Basic Operation96
Constant Current (CC) Mode98
Protection Functions100
Overcurrent Protection (OCP)103
Overvoltage Limit (OV)106
Overcurrent Limit (OC)108
Square-Wave Output110
Table 3-1 Available Frequencies for Square-Wave Output112
Sweep Functions115
Scan Signal117
Selecting a Range119
Enabling the Output120
Remote Sensing121
Figure 3-3 Remote Sensing Connections122
4 System Related Operation129
Using the Utility Menu130
Changing Configurable Settings131
Utility Menu Summary133
Reading Error Messages136
Reading the Program Code Revision137
Adjusting the Display Brightness138
Configuring the Beeper139
Connecting to a Remote Interface140
Performing a Self-Test142
Selecting a Dbm Reference Resistance Value143
Setting the Output Protection State144
Configuring the Ramp Signal Parameters145
Configuring the Scan Signal Parameters147
Setting the Smooth Function149
Enable Refresh Hold152
Enable Data Hold153
Storing and Recalling Instrument States154
Recalling a Stored State155
Remote Operation156
Configuring and Connecting the GPIB Interface157
Configuring and Connecting the USB Interface158
SCPI Commands159
5 Verification and Performance Tests161
Recommended Test Equipment162
General Measurement Techniques165
Connecting the Current Monitoring Resistor166
Test Considerations167
Input Connections168
Gain Verification Test Setup169
Output Verification Test Setup170
Figure 5-6 Test Setup for CV Load and Line Regulation Verification171
Figure 5-8 Test Setup for Load Transient Response Time Verification172
Figure 5-10 Test Setup for CC Line and Load Regulation Verification173
Figure 5-12 Test Setup for Square-Wave Output Verification174
Verification and Performance Tests Overview175
Self-Test176
Performance Verification Tests177
Table 5-2 Zero Offset Verification Test178
Gain Verification Test179
Table 5-4 DC Current Gain Verification Test180
Table 5-5 AC Voltage Gain Verification Test181
Table 5-6 AC Current Gain Verification Test182
Table 5-8 Frequency Gain Verification Test183
Output Verification Test184
Table 5-10 Constant Voltage Load Effect Verification Test185
Table 5-11 Constant Voltage Source Effect Verification Test186
Figure 5-13 Load Transient Response Time189
Test190
Table 5-13 Constant Current Load Effect Verification Test191
Table 5-14 Constant Current Source Effect Verification Test192
Additional Verification Tests194
Optional Square-Wave Output Verification Test195
Table 5-16 Square-Wave Amplitude Output Verification Test196
Table 5-18 Square-Wave Duty Cycle Output Verification Test197
6 Calibration Procedures199
Calibration Overview200
Calibration Interval201
Recommended Test Equipment202
Calibration Process203
Calibration Security204
Changing the Calibration Security Code207
Figure 6-1 SECUR Pads Location208
Calibration Count210
Calibration Message211
Using the Front Panel for Adjustments212
Aborting a Calibration in Progress213
General Calibration Procedure214
Adjustments Procedures217
Gain Adjustments219
Table 6-2 Valid Gain Adjustment Input Values220
Table 6-3 DC Voltage Gain Adjustment222
Table 6-4 AC Voltage Gain Adjustment224
Table 6-5 Frequency Gain Adjustment225
Table 6-6 Resistance Gain Adjustment226
Table 6-7 DC Current Gain Adjustment228
Table 6-8 AC Current Gain Adjustment229
Table 6-9 Capacitance Gain Adjustment230
Output Adjustments232
Table 6-11 Constant Current Output Adjustment234
Table 6-12 Constant Voltage Output Adjustment237
Finishing the Adjustments241
7 Disassembly and Repair243
Operating Checklist244
Cleaning245
Electrostatic Discharge (ESD) Precautions250
Mechanical Disassembly251
Replaceable Parts259
To Order Replaceable Parts260
Types of Services Available261
Repackaging for Shipment262
8 Characteristics and Specifications263
Product Characteristics264
Digital Multimeter Specifications266
AC Specifications269
Frequency Specifications270
Duty Cycle and Pulse Width Specifications271
Operating Specifications272
Supplementary Characteristics273
DC Power Supply Specifications277
Performance Specifications278
Supplementary Characteristics279
Table 8-9 Square-Wave Output Specifications280
Table 8-10 Scan Output Specifications282
9 List of Error Messages283
Error Messages284
Command Errors285
Execution Errors286
Internal Errors287
Self-Test Errors288
Calibration Errors289

Keysight U3606A - Page 258

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