Assembly Level Repair
Agilent Part No January
Page
 Repairing the HP/Agilent
Introduction
Book Organization
 Introduction
 Contents
 Troubleshooting the Power Supply
Adjustments and Calibration
Assembly and Disassembly Procedures
 Service Screen
Self-Test Error Messages
Replacing a Part
Module I/O Specifications
 Instrument Block Diagrams
Block Diagram Theory of Operation
 Measurement Theory
GSM Theory
Index
 Contents-6
 Localizing the Problem
 Localizing the Problem
 Localizing the Problem Flow Chart Power-Up
Localizing the Problem Flow Chart
 Power-Up Checks
Power-Up Checks Agilent
 If Power-Up Checks Failed
Error Message Numbers
Error Message Numbers Failure Suspect Assembly
 Power-Up Self Test Diagnostics
Self Test LED Location
 LED Conventions
LED Sequences
No Failures
Failure Detected
 Sequence of LED Patterns
 Where to Go Next
 If Power-Up Happened Correctly
Front Panel Connections
 Where to Go Next
RF Analyzer Settings
 Checking the RF Analyzer Using the RF Generator
Front Panel Connections for the RF Analyzer
 RF Generator/Analyzer Settings
 Checking the AF Analyzer using the AF Generator
CW Readings
Related to the RF Analyzer
 Checking the AF Analzyer Using the AF Generator
Front Panel Connections for the Audio Check
Audio Measurements
 If Power-Up Happened Correctly
 Running Diagnostics
 Running Diagnostics
 Running Memory Card or ROM Based Diagnostics
 Afdiags RFDIAGS1 MSDIAGS1 Calrev Loopback
 Reading Memory Card Diagnostic Test Results
Probability Indicator
 Selecting Memory Card Diagnostic Test Execution Conditions
Before Running a Test While Running a Test
 Loading and Running the Ram Test
Loading the RAM Test
Selecting from a List
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 Verifying Performance
 Installing and Operating the Software
Verification
Performace Test Software
Understanding the Tests
 To Load the Program in the Agilent 8922M/S
Back Conversion
Forward Conversion
 To Configure the Gpib Addresses
To Run the Program
 Using the HP/Agilent 83210A Service Kit
 Using the HP/Agilent 83210A Service Kit
 Configuring the RF Extender
Coax Jumpers for RF Extender Board
 RF Extender Board
 Extending Modules
Extender Board Part Numbers
REF # Description Extender
 Making Measurements
Audio / Digital Assemblies
 Making Measurements
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 Troubleshooting the Controller/Display
 Troubleshooting the Controller/Display
 Parallel Bus
 Serial Bus
 Display
Line Name Pin Number Description
 Keyboard
Parenthesis Column Pin
 Where to Go Next
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 Troubleshooting the Power Supply
 Troubleshooting the Power Supply
 Power Cord Verification
 8120-2956 90/Straight
 Line Voltage Selection / Line Fuse Replacement
 Transformer / Power Switch
 A28 Power Supply
 Where To Go Next
 Adjustments and Calibration
 Adjustments and Calibration
 Timebase Adjustments
Standard Timebase Adjustment Procedure Reference Calibration
 Option 001 High Stability Timebase Adjustment Procedure
High Stability Timebase Adjustment
 Periodic Calibrations
To Run the Periodic Self-Calibration Program
 Sum Loop Adjustment Procedure
Procedure
First Adjustment
 Second Adjustment
Final Adjustment
Final Check
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 Assembly and Disassembly Procedures
 Recommended Torque
Further Information
 Top and Bottom Cover Removal
Tools Required
 Inside Protective Covers
 AF, Digital and RF Assemblies Removal
 Release Levers Pull Ring
 Disconnecting Cables
A1 Front Panel Removal
Removing Modules
Detaching Front Panel
 A1 Mounting Screws
 A10 Power Supply Regulator Removal
 A11 Receiver Mixer Removal
 TOP View Mixer Side View
 A12 Pulse Attenuator Removal
 TOP View Pulse Switch Side View
 A21 Gpib Interface Removal
 TOP View
 A22 Display Removal
 CRT
 A23 Input Section Removal
 A24 Attenuator Removal
 A28 Power Supply Removal
 A28 Power Supply Removal
 Fan Removal
 Fan Removal
 Transformer Removal
 Replacing a Part
 Assembly Replacements
Adjustments after Replacing Assemblies
Adjustments After Replacement
Assembly Calibration or Adjustment Replaced Required
 Replaceable Parts
 Replaceable Parts
Agilent Part Qty. Description Mfr. Code Mfr.Part Number
 A1 Mounting Screws
 Agilent Part Qty Description Mfr Mfr.Part Number Code
 Replaceable Parts
 MOD-PCB REF Section
 Replaceable Parts
 Agilent Part Qty Description Mfr. Code Mfr.Part Number
 Replaceable Parts
 BRACKET-TIMEBASE
 Replaceable Parts
 Cable Ribbon CRT-MBOARD
 Ribbon 16 CND
 Replaceable Parts
 Replaceable Parts
 TOP Flange
 Replaceable Parts
 AY-FRAME, Chassis
 Replaceable Parts
 Washer .375 OD
 Replaceable Parts
 Mfr. Code Mfr.Part Number
 79-82, 108-111
 Serial Prefix 3235A and Below 8922E All Prefixes
 Replaceable Parts
 Miscellaneous Replaceable Parts
 Firmware Upgrades
Agilent 8922M
HP/Agilent 8922A, B, E, G, F, H, S
HP Part Number Description
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 Service Screen
 Voltage
Frequency
Voltmeter Connection
 Counter Connection
Gate Time
Latch
Value
 10-4
 Self-Test Error Messages
 Self-Test Error Messages
 Module I/O Specifications
 Module I/O Specifications
 Power Supplies
A2 Audio Analyzer
Inputs
Audio Input MUX
 Outputs
Audio OUT Meas MUX
Speaker
 A3 Audio Analyzer
Audio Input MUX Demodaud J16
Extscope J111
Audinhi J11
 Filaud J115
Selected Inputs AUDINHI,AUDINLO
 AUD1VM J116
Selected input =Range/Over-voltage detector
Selected input = DC Audio Path
Dcaudio J1
 A4 Modulation Distribution
Extmod J11
AFG1 J111, AFG2 J113, Afggnd J112
 Audioouthi J17
Ammod J120
Modmon J118
 A5 Premodulation Filter and NSM
Pmfclk J15
 Pmfdata J11
MHz Ref B J233
Nsmifclk J21
 Serial I/O
Typical Oscilloscope Display
Hop Control
 A6 Signaling Source/Analyzer
Procaud J111
 AFG1 J13, AFG2 J15
 A9 Global Test and Demod
10.7MIF J17
 Expected Output
 20MREFA J111
Expected Display
 Fcnt J121
Typical Display
 A11 Receiver Mixer
1stMIXIN J2
Extrefin J1
 12-20
 Rcvrin J3
 A13 Output
Inputs2
Coax jumper connection SGS50010000M J117
Coax jumper connection OUT1GREF J13
 Ammod J27
Coax jumper connection Mainrfout J313
Output Level
Spectral Purity Only contributions of the outputmodule
 A14 Pulse Driver
1MREFC P33
 13MREFOUTA P317
13MREFOUTB
Attenselect
P1 11, 13, 15, 17
 A15 Reference
Exrefin J19
13MOUTLOCK J27
 Hop Control
J25,8,9
EX10MREFOUT J113
1MREFA P34
 1MREFC J32
 SA20MREF J35
MEAS20MREF J313
10MREFC J39
 10MREFB J317
20MREFA J320
OUT1GREF J13
 500MREF J117
1GDIAG J21
500MDIAG J26
 A16 Receiver
Hop Control P2,5,8
500MREF P33
Rcvrin J13
 Unmutedfm J114
Pulsedemod J17
 Fmdemod J113
Demodaud J26
10.7MIF J39
 SA114.3M J313
AUX7VM J27
 A18 Spectrum Analyzer
SA114.3M P317
SA20MREF J13
 Swpstrt J16
Sascpt J17
 A19 Measurement
 Voltmeter Multiplexer
Intemp J34 Involt J35
 12-40
 12-41
 Trigger Input Scope Trigger Internal
Signscptrig J110 Riscptrig J17 Exttrig J14
Internal Trigger Internal
 A23 Input HP/Agilent 8922A.B,E,F,G,H Only
AUX RF Input J3
SG in J4
 RF IN/OUT Output J1
AUX RF OUT J2
DET LO J614
 1stMIXIN J5
 Involt J615
Duplexdet
 A23 Input Agilent 8922M/S Only
 12-48
 12-49
 A25 Sum Loop
Dacupout J33
Sumlpptune J27
 STEPLPOUT/A J317
Sumlock J21
AUX3VM J26
 SGS5001000M J13
 A17, A26 Step Loop
1MREFA/B P33
 Hop Control J25,8,9
Steplpout J13
 AUX1/2VM J26
 A27 DAC/Upconverter
Nsmifclk J12
Nsmifdata J15-16
 MHz Ref C J119
AUX4-VM J26
Dacupout J315
 Input
 A33 Hop Controller
Hop Control Input Bus Hopaddr J215-15
Txhop J214
 Seqhopreset J211
Resetselect J2119
Rxhop J213
Seqhop J212
 Pulsemodin J2168
Host Processor Interface
Seqtrigout J2121
EA60SW0/2 J2171,72,73
 Premod Filter & NSM
J2125,23,26
 Instrument Block Diagrams
 Block Diagram
Reading the Pin Numbers
 13-3
 13-4
 Block Diagram Theory of Operation
 Block Diagram Theory of Operation
 Technical Discussion
 Block Diagram
A23 Input A24 High Power Attenuator
 A17 StepLoop B
A11 Receiver Mixer
 A16 Receiver
A9 Global Test and Demod
 A18 Spectrum Aanalyzer
A2 Audio Analyzer 2 A3 Audio Analyzer
 14-8
 A15 Reference
A5 Premod Filter and NSM
 14-10
 A27 DAC/Upconverter
A26 Step Loop a
 A25 Sum Loop
A13 Output
 A23 Input A24 High Power Attenutor
A12 Pulse Attenuator
 A4 Modulation Distribution A6 Signaling Source/Analyzer
 Block Diagram HP/Agilent 8922B Only
A35 B Reference
 A37 Sequence Controller
 A32 GSM Controller
A35 Protocol Interface HP/Agilent 8922F/HM/S Option 003 Only
 A19 Measurement
A33 Hop Controller
 Diagnostics Theory
 Diagnostics Theory
 Audio Frequency Generators 1
Preliminary Audio Paths
Modulation Distribution Internal Paths
Modulation Distribution External Paths
 Audio Analyzer 1 Internal Paths
Audio Analyzer 1 External Paths
Audio Analyzer
 Reference
NSM and Pre-Modulation Filter
DAC and Up-Converter
 RF Generator Step Loop
Sum Loop
Output Section
 Pulse Attenuator and Drive
Input Section
 RF Analyzer Step Loop
 Spectrum Analyzer
Receiver
 Temperature Test
Down Converters With Spectrum Analyzer Test
If Counter Test
AGC Open Loop At AM Output Test
 External Reference
RF Input/Output
Instrument Self Test
 GSM and DCS Diagnostic Tests
 Interpreting Results
 15-14
 Measurement Theory
 BIT Error
A31 Codec
 DSP ANL
OUT RF SP
Pulse
 CW MEAS/AF Analyzer
Scope
Spec ANL
 16-5
 16-6
 GSM Theory
 GSM Theory
 GSM System
 GSM, DCS1800 and PCS1900 Systems
 Symbols
Numerics
 Index-2
 Index-3
 Index-4
 Index-5
 Index-6