Agilent Technologies E4406-90178 Manuals

Manuals and User Guides for Agilent Technologies E4406-90178. We have 1 Agilent Technologies E4406-90178 manual available for free PDF download: Service Manual

Agilent Technologies E4406-90178 Service Manual

Agilent Technologies E4406-90178 Service Manual (266 pages)

Transmitter Tester

Brand: Agilent Technologies | Category: Test Equipment | Size: 8.19 MB

Table of Contents

Table of Contents

5
- Introduction
  12
- Before You Start
  13
  - Replacement Assemblies
    14
  - After an Instrument Repair
    14
  - ESD Information
    15
- Service Equipment You will Need
  18
- Check the Basics
  23
- Problems at Instrument Power-Up
  25
- Troubleshooting an Inoperative Instrument
  26
  - Check the Instrument Setup
    26
  - Initial Checks
    26
- If the Fans Are Not Operating
  27
- Troubleshooting LCD Display Problems
  28
  - Verifying the A3A1 and A3A2 Inverter Boards
    28
  - Verifying HSYNC, VSYNC, and LCD Clock
    30
- Check for Basic Functionality
  31
- Auto-Align Tests
  32
- Power Supply Check
  34
  - Measure the Individual Voltage Supplies
    35
- Isolating an RF, Analog IF, Digital IF, Reference, Synthesizer, or CPU Problem
  39
- Troubleshooting Performance Test Failures
  58
- Contacting Agilent Technologies
  60
  - Software Technical Support
    60
  - Calling Agilent Technologies Sales and Service Offices
    60
- Updating Firmware
  63
- How to Return Your Instrument for Service
  64
  - Service Tag
    64
  - Original Packaging
    64
  - Other Packaging
    65
- 2 Block Diagrams
  67
  - Introduction
    68
  - A6 Power Supply Assembly
    69
  - A17 RF Assembly
    70
    
    Input Attenuator
    70
    
    RF Input Switch
    70
    
    321.4 Mhz Amplifiers
    71
    
    50 Mhz Calibrator
    71
    
    Calibrator Switch
    71
    
    First Mixer
    71
    
    Image Filter
    71
    
    Second Mixer
    71
  - 21.4 Mhz Output Buffer Amplifiers and Filter
    72
  - Pre-Level Drive
    72
  - Interconnections to Other Assemblies
    72
  - A12 Analog if Assembly
    73
    
    Pre-Filters
    73
    
    Variable Gain Amplifier
    73
    
    21.4 Mhz Anti-Alias Filter
    74
    
    Calibrator and Sample Rate Oscillators
    74
    
    Clock Generator
    74
    
    Mixer
    74
    
    Post down Conversion Filtering
    74
    
    Third L.O
    74
    
    Interconnections to Other Assemblies
    75
    
    Power Supply Switching Frequency Generator
    75
    
    Triggering
    75
  - A10 Digital if Assembly
    76
    
    7.5 Mhz if
    76
    
    Adc
    76
    
    Gain Range Select/Rules
    76
    
    Input Selector Switch
    76
    
    Interconnections to Other Assemblies
    77
    
    Offset Adjust and Dither
    77
  - A18 Reference Assembly
    78
    
    100 Mhz VCXO
    78
    
    10 Mhz Outputs
    79
    
    300 Mhz Output
    79
    
    50 Mhz Calibrator Output
    79
    
    Interconnections to Other Assemblies
    79
    
    Reference Unlock Detector
    79
  - A19 Synthesizer Assembly
    80
    
    Bandpass Filters
    80
    
    First Doubler
    80
    
    Lock Detector
    80
    
    VCO Phase Lock Loop
    80
    
    Interconnections to Other Assemblies
    81
    
    Second Doubler
    81
  - A22 Processor Assembly
    82
  - A7 Baseband I/Q Assembly (Option B7C)
    83
    
    Adc
    83
    
    Digital Signal Processing Block (DSP)
    83
    
    I/Q Input Circuitry
    83
    
    Input Amplifiers
    83
  - Miscellaneous
    84
    
    A14 Fan Control Board
    84
    
    A15 Daughter Board
    84
    
    A21 Motherboard
    84
    
    A25 Scsi
    85
    
    A27 Rear Panel
    86
    
    Front Frame
    86
    
    Mnemonics and Connectors
    87
    
    Mnemonic Pin Locations
    92
Table 2-3 A15 Daughterboard Mnemonic Locations

97
- Motherboard Connectors
  99
- Daughterboard Connectors
  110
- 10Mhz_Ext_In
  112
- 10Mhz_Ext_Out
  112
- 10Mhz_Rf
  112
- 10Mhz_Synth
  112
- 50Mhz
  113
- Abus
  114
- Acom 1
  115
- Clean_Ck
  116
- Clean_Data
  116
- Clean_En
  116
- Midgen_Clean
  116
- N15
  116
- N5.2
  116
  - Block Diagrams
    119
- 3 Parts List
  
  125
  - Introduction
    126
  - How to Order Parts
    127
    
    Direct Mail-Order System
    127
    
    Direct Phone-Order System
    127
  - Replaceable Parts
    134
  - Hardware
    142
- 4 Assembly Replacement
  
  165
  - Introduction
    166
  - Before You Start
    167
    
    After an Instrument Repair
    167
    
    Service Tools You will Need
    167
  - Removal and Replacement Procedures
    168
  - Instrument Outer Case
    171
    
    Removal
    171
    
    Replacement
    172
  - Top Brace
    173
    
    Removal
    173
    
    Replacement
    174
  - Front Frame
    175
    
    Drop the Front Frame
    175
    
    Removal
    175
    
    Replacement
    176
  - A4 Disk Drive and A5 Disk Drive Board
    177
    
    Removal
    177
    
    Replacement
    179
  - A6 Power Supply
    180
    
    Removal
    180
    
    Replacement
    181
  - A7 Baseband I/Q Assembly (Option B7C)
    182
    
    Removal
    182
    
    Replacement
    184
  - A10 Digital if and A12 Analog if Assemblies
    185
    
    Removal
    185
    
    Replacement
    186
  - A14 Fan Control Board
    187
    
    Removal
    187
    
    Replacement
    188
  - A15 Daughter Board
    189
    
    Removal
    189
  - Replacement
    190
  - A17 RF, A18 Reference, and A19 Synthesizer Assemblies
    191
    
    Removal
    191
    
    Replacement
    192
  - MID Web/Fans
    193
    
    Fan Removal
    193
    
    Fan Replacement
    194
    
    MID Web
    195
  - A21 Motherboard
    198
    
    Removal
    198
    
    Replacement
    201
  - A22 Processor Assembly
    202
    
    Removal
    202
    
    Replacement
    204
  - A22A1 DRAM, A22A2 Flash, and A22A3 GP-IB Capacitor Boards
    205
    
    Removal
    205
    
    Replacement
    206
  - A25 SCSI Board
    207
    
    Removal
    207
    
    Replacement
    207
  - A27 Rear Panel Connector Board
    208
    
    Removal
    208
    
    Replacement
    209
  - Rear Frame
    210
    
    Removal
    210
    
    Replacement
    211
  - Center Web Cables W9, W11, and W12
    212
    
    Removal and Replacement
    212
  - RF Input Connector
    214
    
    Removal
    214
    
    Replacement
    215
  - Front Frame Subassemblies
    216
    
    Front Frame Exploded View
    218
    
    A2 Display, Backlights, and Filter
    219
    
    A3 Front Panel Interface Board
    224
    
    Bezel and Keypad
    226
    
    Front Panel RPG
    229
    
    Front Panel External Trigger Cable
    230
- 5 Post-Repair Procedures
  
  231
  - Introduction
    232
    
    Safety
    232
  - Before You Start
    233
    
    Abnormal Indications During Procedure Execution
    233
    
    After Assembly Replacement
    233
  - Post-Repair Procedures
    234
    
    Test Equipment You will Need
    236
  - Manual Test, Adjustment, and Configuration Procedures
    237
    
    Description
    238
    
    Internal Front Panel Test
    238
    
    Procedure
    238
    
    Description
    239
    
    External Keyboard Test
    239
    
    Procedure
    239
    
    Configuring a Replacement CPU Assembly
    241
    
    Description
    241
    
    Procedure
    241
    
    Configuring a Replacement Flash Memory Assembly
    244
    
    Description
    244
    
    Procedure
    245
    
    Adjustment Description
    248
    
    Internal 10 Mhz Frequency Reference Adjustment
    248
    
    Required Equipment
    248
    
    Procedure
    249
    
    Test Setup
    249
    
    Description
    250
    
    Internal 50 Mhz Calibrator Adjustment
    250
    
    Required Equipment
    250
    
    Procedure
    251
    
    Test Setup
    251
    
    Burst Trigger Check
    254
    
    Description
    254
    
    Procedure
    254
    
    Baseband I/Q Amplitude Accuracy Test
    255
    
    Description
    255
    
    Procedure
    255
    
    Test Limits
    255
    
    Using the Alpha Editor Menu
    258
    
    Front Panel Test
    259
    
    Purpose
    259
    
    Test Setup
    259
    
    Results
    260
    
    Troubleshooting Hints
    260
    
    Automated Adjustments
    261

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