Filter
Top Products
Service Addendum2
Table of Contents
Addendum A - SERVICE MANUAL................................................................................................................................1
Foreword........................................................................................................................................................................1
Areas of Difference........................................................................................................................................................1
Table of Contents...........................................................................................................................................................2
Chapter 1 Differences.....................................................................................................................................................3
Chapter 2 Differences.....................................................................................................................................................3
Test Equipment Required...........................................................................................................................................3
Measurement Techniques...........................................................................................................................................4
Basic Test Setup.........................................................................................................................................................4
Voltage and Current Values.......................................................................................................................................5
Transient Recovery Time...........................................................................................................................................5
CC RMS Noise Measurement Test Setup..................................................................................................................5
Performance Test Record...........................................................................................................................................6
Chapter 3 Differences.....................................................................................................................................................8
Signature Analysis .....................................................................................................................................................8
Self-Test Error Codes/Messages ................................................................................................................................8
Overall Troubleshooting (sheet 1)..............................................................................................................................9
Overall Troubleshooting (sheet 2)............................................................................................................................10
Overall Troubleshooting (sheet 3)............................................................................................................................11
Overall Troubleshooting – sheet 4 ...........................................................................................................................12
Overall Troubleshooting (sheet 5)...........................................................................................................................13
Flow Charts -............................................................................................................................................................13
No Display Troubleshooting....................................................................................................................................14
OV Will Not Fire Troubleshooting..........................................................................................................................15
OV at Turn-On Troubleshooting..............................................................................................................................16
Output Held Low Troubleshooting (sheet 1)...........................................................................................................17
Output Held Low Troubleshooting (sheet 2)............................................................................................................18
Output Held High Troubleshooting..........................................................................................................................19
Initialization and Factory Preset Replacement Program Listing (sheet 1) ...............................................................20
Initialization and Factory Preset Replacement Program Listing (sheet 2) ...............................................................21
Initialization and Factory Preset Replacement Program Listing – (sheet 3) ............................................................22
Cable and Connector Locations ...............................................................................................................................23
Chapter 4 Differences...................................................................................................................................................25
Digital Signal Processor (DSP) Board .....................................................................................................................25
Simplified Diagram of DSP Circuits........................................................................................................................26
Chapter 5 Differences...................................................................................................................................................27
Chapter 6 Differences...................................................................................................................................................43
Test Points................................................................................................................................................................43
Figure 6-5. A1 Main Board Component Location Coordinates for E4350B................................................................47
Figure 6-5. A1 Main Board Assembly Drawing and Test Points for E4350B.............................................................47
Figure 6-5. A1 Main Board Schematic Diagram for E4350B (sheet 1 of 4)................................................................47
Figure 6-5. A1 Main Board Schematic Diagram for E4350B (sheet 2 of 4)................................................................47
Figure 6-5. A1 Main Board Schematic Diagram for E4350B (sheet 3 of 4)................................................................47
Figure 6-5. A1 Main Board Schematic Diagram for E4350B (sheet 4 of 4)................................................................47
Figure 6-6. A4 Left Tunnel Circuit Component Locations for E4350B ......................................................................47
Figure 6-6. A4A1/A4A3 Left Tunnel Circuit Schematic Diagrams for E4350B.........................................................47
Figure 6-7. A4 Right Tunnel Circuit Component Locations for E4350B ....................................................................47
Figure 6-7. A4A2/A4A4 Right Tunnel Circuit Schematic Diagrams for E4350B.......................................................47
Figure 6-10 A5 DSP Board Test Points .......................................................................................................................47
Figure 6-11 A6 Adapter Board Schematic Diagram ....................................................................................................47
Figure 6-12 A7 Phone Adapter Board Component Location and Schematic Diagram................................................47