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