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Before You Begin Troubleshooting
Using this Service Guide to Troubleshoot
ESG Family Signal Generators Initial Troubleshooting and RF Block Diagrams Signal Generator Options
Signal Generator Options
Initial Troubleshooting and RF Block Diagrams ESG Family Signal Generators Signal Generator Options
1-4
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Contacting Agilent Technologies
Check the Basics before Contacting Agilent Technologies
Review the Warranty
Calling Agilent Technologies Sales and Service Ofces
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Returning Your Signal Generator for Service
Packaging the Signal Generator
Equipment Required for Troubleshooting
Initial Troubleshooting
Step 1: Observe the Front and Rear Panel LEDs
Step 2: Power On the Signal Generator and Check for Error Messages
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Step 4: Visually Check the Individual Voltage Supplies
Step 5: Measure the Individual Voltage Supplies
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Step 6: Isolate the Failed Assembly
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Step 7: Check for Basic CPU Functionality
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Additional Information for Troubleshooting the ESG-AP and ESG-DP Series
A SYNTHESIZER BOARD
F
f
/
ESG-A SERIES RF BLOCK DIAGRAM (STANDARD & OPTION 1E6)
2
A SYNTHESIZER BOARD
X2
f
2
/
ESG-D SERIES RF BLOCK DIAGRAM (OPTIONS UN3 & UN4)
A SYNTHESIZER BOARD
ESG-D SERIES RF BLOCK DIAGRAM (OPTIONS UN3 & UN4)
F DATA GENERATOR BOARD
f
ESG-D SERIES RF BLOCK DIAGRAM (OPTION UN8 or UN9) Rev C or D
sk77c ESG-D SERIES RF BLOCK DIAGRAM (OPTION UN8 or UN9 ) Rev C or D
A SYNTHESIZER BOARD
F DATA GENERATOR BOARD
/
ESG-D SERIES RF BLOCK DIAGRAM (OPTION UN7 with UN8)
A SYNTHESIZER BOARD
ESG-D SERIES RF BLOCK DIAGRAM (OPTION UN7 with UN8)
F DATA GENERATOR BOARD
f
X2
/
ESG-D SERIES RF BLOCK DIAGRAM (OPTIONS UN8 or UN9) Rev B
sk776b
ESG-D SERIES RF BLOCK DIAGRAM (OPTIONS UN8 or UN9) Rev B
A SYNTHESIZER BOARD
F DATA GENERATOR BOARD
f
X2
ESG-D SERIES RF BLOCK DIAGRAM (OPTION UND)
A SYNTHESIZER BOARD
I
ESG-D SERIES RF BLOCK DIAGRAM (OPTION UND)
f
ESG-D SERIES RF BLOCK DIAGRAM (OPTION UN7, UN8/UN9, 300)
sk7110b ESG-D SERIES RF BLOCK DIAGRAM (OPTION UN7, UN8/UN9, 300 )
A SYNTHESIZER BOARD
F DATA GENERATOR BOARD
/
ESG-AP SERIES RF BLOCK DIAGRAM (STANDARD &1E6)
H ATTENUATOR /RPP
G PULSE MOD
F OUTPUT
ESG-DP SERIES RF BLOCK DIAGRAM
K BERT MEASURMENT BOARD
H BASEBAND GENERATOR BOARD
J DATA GENERATOR BOARD
ESG-DP SERIES RF BLOCK DIAGRAM (OPTION UN7)
ESG-DP SERIES RF BLOCK DIAGRAM (OPTIONS UN8 or UN9)
H BASEBAND GENERATOR BOARD
J DATA GENERATOR BOARD
ESG-DP SERIES RF BLOCK DIAGRAM (OPTION UND)
H DUAL ARBITRARY WAVEFORM GENERATOR BOARD
I
J1 1 GHz In
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Before You Begin Troubleshooting
Using this Chapter with Service Software
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A5 DUAL ARBITRARY WAVEFORM GENERATOR BLOCK DIAGRAM (OPTION UND)
F
USO_CLK 1
DATA SWITCH
A5 DUAL ARBITRARY WAVEFORM GENERATOR BLOCK DIAGRAM (OPT UND)
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A7 BASEBAND GENERATOR BLOCK DIAGRAM (OPTIONS UN3 & UN4)
DAC
BURST MOD
A7 BASEBAND GENERATOR BLOCK DIAGRAM (OPTIONS UN3 & UN4)
I DATA GENERATION
VCO
Q DATA GENERATION
DIGITAL INTERFACE
A7 DBMIC BASEBAND GENERATOR BLOCK DIAGRAM (OPTIONS UN8 and UN9)
GENERATOR INTERFACE
sk758b
A7 DBMIC BASEBAND GENERATOR BLOCK DIAGRAM (OPTIONS UN8 and UN9)
MASTER CLOCK PLL
VCO
REFERENCE
F
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A8 FLEX GENERATOR BLOCK DIAGRAM REV. C & D (OPTION UN8 & UN9)
A8 FLEX GENERATOR BLOCK DIAGRAM REV. C & D (OPTION UN8 & UN9)
MPU
Service Guide 2-19
A9 Output ABUS Nodes (ESG-A Series)
LOOP_INT
POW_REF_2
A9 Output ABUS Nodes (ESG-A Series) (1 of 2)
ALC_MOD BURST_MOD
2-20
A9 Output ABUS Nodes (ESG-A Series) (2 of 2)
I Q PRE_LEVEL
QUAD GAIN_DET
GND REF_AM
A9 OUTPUT BLOCK DIAGRAM (ESG-A SERIES)
RF PATH
BURST MOD DRIVE ALC HOLD
ALC REFERENCE REFERENCE + AM
+
A9 Output ABUS Nodes (ESG-D Series)
LOOP_INT
POW_REF_2
A9 Output ABUS Nodes (ESG-D Series) (1 of 2)
ALC_MOD BURST_MOD
2-24
A9 Output ABUS Nodes (ESG-D Series) (2 of 2)=
I Q PRE_LEVEL
QUAD GAIN_DET
GND REF_AM
A9 Output ABUS Nodes (ESG-AP, & ESG-DP Series)
A9 OUTPUT BLOCK DIAGRAM (ESG-D, ESG-AP, & ESG-DP SERIES)
A9 OUTPUT BLOCK DIAGRAM (ESG-D, ESG-DP, & ESG-DP SERIES)
RF PATH
BURST MOD DRIVE ALC HOLD
ALC REFERENCE REFERENCE + AM
A11 Reference ABUS Nodes (ESG-A & ESG-D Series)
10 MHz PLL
&
TO: LF OUT
&
FM1 MUX
A11 REFERENCE BLOCK DIAGRAM (ESG-A & ESG-D SERIES)
A11 Reference ABUS Nodes (ESG-AP & ESG-DP Series)
10 MHz PLL
A11 REFERENCE BLOCK DIAGRAM (ESG-AP & ESG-DP SERIES)
EXT REF DETECTION
F
1 GHz PLL
P2-7 P2-26 P2-6,21 P2-14,29 P2-4,19 P2-2,17 P2-1,16
A12 Synthesizer/Doubler ABUS Nodes (ESG-A & ESG-D Series)
sk792b
DIGITAL CARD CAGE F
P2-1, 3, 5, 7, 9, 11, 13, 15
P3-1 P8-1
P1-1
DATA
A14 CPU/Motherboard ABUS Nodes
MEMORY SERIAL INTERFACE (INTERNAL)
SWITCH & LEDS
A14 CPU/MOTHERBOARD BLOCK DIAGRAM (1 OF 2)
SWEEP RAMP
INTERNAL MODULATION DAC
CPU CLOCK
A14 CPU/MOTHERBOARD BLOCK DIAGRAM (1 0F 2)
A14 CPU/MOTHERBOARD BLOCK DIAGRAM (2 OF 2)
LCD BRIGHTNESS DRIVER (FLUORESCENT)
M6V
RPG DECODER
TO: LCD
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A21 DEMODULATOR BLOCK DIAGRAM (OPTION 300)
POWER SUPPLY INPUTS
BBG
Filter
Filter
A22 YIG Driver ABUS Nodes (ESG-AP & ESG-DP Series)
FM DRIVER
DAC
>
EEPROM
A22 YIG DRIVER BLOCK DIAGRAM
YTO
A23 Sampler ABUS Nodes (ESG-AP & ESG-DP Series)
A23 SAMPLER (ESG-AP AND ESG DP SERIES)
44
.5
DAC
f
MICROWAVE SAMPLER SS
VCO 600-900 MHz
FRAC-N INPUT
fif
f
YO PLL INTEGRATOR
INTEGRATOR
A23 SAMPLER (ESG-AP AND ESG DP SERIES)
A24 Frac-N/Divider ABUS Nodes (ESG-AP & ESG-DP Series
A24 FRAC-N/DIVIDER (ESG-AP & ESG-DP SERIES)
F
-1
3
DAC
A24 FRAC-N/DIVIDER (ESG-AP & ESG-DP SERIES)
FRAC-N SYNTHESIZER DAC
POWER SUPPLY INPUTS
DAC
FM SUB SYSTEM
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sk779b
ESG-A SERIES POWER SUPPLY AND GROUND INTERCONNECTS
ENABLE
GND
P3-4
EXT1
ESG-D SERIES POWER SUPPLY & GROUND INTERCONNECTS (1 OF 2)
DAUGHTER CARD CAGE
POWER SUPPLY MOTHER BOARD HP-IB
ESG-D SERIES POWER SUPPLY & GROUND INTERCONNECTS (1 OF 2)
sk787b
ESG-D SERIES POWER SUPPLY & GROUND INTERCONNECTS (2 OF 2)
DIGITAL CARD CAGE DATA
(OPTION(S) UN3/4-UN8/9)
BASEBAND
(OPTION(S) UN3/4-UN8/9)
ESG-A SERIES MODULATION AND SIGNAL INTERCONNECTS
DAUGHTER BOARD MOTHER BOARD DE
sk780b
C
SYNTHESIZER BOARD
ESG-D SERIES MODULATION AND SIGNAL INTERCONNECTS (1 of 2)
sk791b
C
DAUGHTER BOARD MOTHER BOARD D E SYNTHESIZER BOARD
OUTPUT BOARD
OPTIONS UN8 AND UN9OPTIONS UN3 AND UN4
J1- J4,57 J1- J4,59
BURST_ENVELOPE P301-57
J1- J4,57 J1- J4,59
BURST_ENVELOPE P301-57
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Ordering Information
Call (800) 227-8164 to Order Parts Fast (U.S. Only)
Save Money with Rebuilt-Exchange Assemblies
Shipping the Defective Assembly Back to Agilent Technologies
ESG Family Signal Generators Replaceable Parts (ESG-A and ESG-D Series)
Service Guide 3-5
Abbreviations Used in Part Descriptions
Abbreviations
Reference Designations
3-6
Hardware Options
Major Assemblies
3-8
Refer to Table 3-1 and Figure 3-1.
Table 3-1 Top View
Figure 3-1 Top View
3-10
Top View (ESG-D Series - Option 300)
Refer to Table 3-2 and Figure 3-2.
Table 3-2 Top View (ESG-D Series - Option 300)
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3-12
Right Side Assemblies
Refer to Table 3-3 and Figure 3-3.
Table 3-3 Replaceable Assemblies, Right Side
Figure 3-3 Right Side View
Disassembled Front Panel View
Refer to Table 3-4 and Figure 3-4.
F igure 3-4 Disassembled Front Panel View
Inside Rear Panel View
Refer to Table 3-5 and Figure 3-5.
Figure 3-5 Inside Rear Panel View
Cables
Top View (ESG-A Series)
Refer to Table 3-6 and Figure 3-6.
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3-18
Top View (ESG-D Series - Options UN3/4, UN7)
Refer to Table 3-7 and Figure 3-7.
Table 3-7 Top View (ESG-D Series - Options UN3/4, UN7)
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3-20
Top View (ESG-D Series - Options UN7, UN8)
Refer to Table 3-8 and Figure 3-8.
Table 3-8 Top View (ESG-D Series - Options UN7, UN8)
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3-22
Top View (ESG-D Series - Option UND)
Refer to Table 3-9 and Figure 3-9.
Table 3-9 Top View (ESG-D Series - Option UND)
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3-24
Top View (ESG-D Series - Options UN3/4, UN7 with 1EM)
Refer to Table 3-10 and Figure 3-10.
Table 3-10 Top View (ESG-D Series - Options UN3/4, UN7 with 1EM)
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3-26
Top View (ESG-D Series - Options UN7, UN8 with 1EM)
Refer to Table 3-11 and Figure 3-11.
Table 3-11 Top View (ESG-D Series - Options UN7, UN8 with 1EM)
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3-28
Top View (ESG-D Series - Options UN7, UN8, UND)
Refer to Table 3-12 and Figure 3-12.
Table 3-12 Top View (ESG-D Series - Options UN7, UN8, UND)
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3-30
Top View (ESG-D Series - Option UND with 1EM)
Refer to Table 3-13 and Figure 3-13.
Table 3-13 Top View (ESG-D Series - Option UND with 1EM)
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3-32
Top View (ESG-D Series - Option 300)
Refer to Table 3-14 and Figure 3-14.
Table 3-14 Top View (ESG-D Series - Option 300)
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3-34
Inside Front Panel View
Refer to Table 3-15 and Figure 3-15.
Table 3-15 Inside Front Panel View
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3-36
Electronic Attenuator/RPP View
Refer to Table 3-16 and Figure 3-16.
Table 3-16 Electronic Attenuator/RPP View
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3-38
Electronic Attenuator/RPP View (with Option 1EM)
Refer to Table 3-17 and Figure 3-17.
Table 3-17 Electronic Attenuator/RPP View (with Option 1EM)
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3-40
Mechanical Attenuator Vi ew (Option UNB)
Refer to Table 3-18 and Figure 3-18.
Table 3-18 Mechanical Attenuator View (Option UNB)
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3-42
Mechanical Attenuator Vi ew (Option UNB with 1EM)
Refer to Table 3-19 and Figure 3-19.
Table 3-19 Mechanical Attenuator View (Option UNB with 1EM)
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Pulse Modulator View (Option 1E6)
Refer to Table 3-20 and Figure 3-20.
Figure 3-20 Pulse Modulator View (Option 1E6)
Hardware and Other Instrument Parts
Top View
Refer to Table 3-21 and Figure 3-21.
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Downconvertor View (Option 300)
Disassembled Mechanical Attenuator View (Option UNB)
Disassembled Pulse Modulator View (Option 1E6)
Disassembled Pulse Modulator View (Option 1E6/UNB)
Refer to Table 3-25 and Figure 3-25.
Figure 3-25 Disassembled Pulse Modulator View (Option 1E6/UNB)
Front Panel View (ESG-A Series)
Refer to Table 3-26 and Figure 3-26.
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Front Panel View (ESG-D Series)
Refer to Table 3-27 and Figure 3-27.
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3-56
Disassembled Front-Panel View
Refer to Table 3-28 and Figure 3-28.
Table 3-28 Disassembled Front-Panel View
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Daughterboard Card Cage View
Inside Rear-Panel View
Rear-Panel View (ESG-A Series)
Refer to Table 3-31 and Figure 3-31.
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3-62
Rear-Panel View (ESG-A Series - Option 1EM)
Refer to Table 3-32 and Figure 3-32.
Table 3-32 Rear-Panel View (ESG-A Series - Option 1EM)
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3-64
Rear-Panel View (ESG-D Series)
Refer to Table 3-33 and Figure 3-33.
Table 3-33 Rear-Panel View (ESG-D Series)
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3-66
Rear Panel View (ESG-D Series - Option 1EM)
Refer to Table 3-34 and Figure 3-34.
Table 3-34 Rear Panel View (ESG-D Series - Option 1EM)
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Instrument Chassis with Top and Right-Side Hardware
Refer to Table 3-35 and Figure 3-35.
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Power Supply Shield and Left-Side Hardware
Motherboard and Bottom-Side Hardware
Instrument Cover and Associated Parts
Refer to Table 3-38 and Figure 3-38.
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Miscellaneous
Accessories
ESG Family Signal Generators Replaceable Parts (ESG-A and ESG-D Series)
Service Guide 3-75
Documentation
Refer to Table 3-40 and Table 3-41.
Table 3-40 ESG Family Signal Generators Documentation
3-76
Table 3-41 Localized Documentation for ESG Family Signal Generators
ESG Family Signal Generators Replaceable Parts (ESG-A and ESG-D Series)
Service Guide 3-77
3-78
Electrostatic Discharge (ESD) Protective Supplies
Table 3-43 Upgrade and Retrot Kits
Refer to Table 3-42.
Table 3-42 Electrostatic Discharge (ESD) Protective Supplies
Upgrade and Retrot Kits
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Ordering Information
Call (800) 227-8164 to Order Parts Fast (U.S. Only)
Save Money with Rebuilt-Exchange Assemblies
Shipping the Defective Assembly Back to Agilent Technologies
ESG Family Signal Generators Replaceable Parts (ESG-AP and ESG-DP Series)
Service Guide 4-5
Abbreviations Used in Part Descriptions
Abbreviations
Reference Designations
4-6
Hardware Options
Major Assemblies
4-8
Refer to Table 4-1 and Figure 4-1.
Table 4-1 Top View
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Right Side Assemblies
Refer to Table 4-2 and Figure 4-2.
Figure 4-2 Right Side View
Disassembled Front Panel View
Inside Rear Panel View
Refer to Table 4-4 and Figure 4-4.
Figure 4-4 Inside Rear Panel View
Cables
Refer to Table 4-5 and Figure 4-5.
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4-16
Top View (ESG-DP Serie s - Options UN7, UN8)
Refer to Table 4-6 and Figure 4-6.
Table 4-6 Top View (ESG-DP Series - Options UN7, UN8)
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Top View (ESG-DP Serie s - Option UND)
Refer to Table 4-7 and Figure 4-7.
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4-20
Top View (ESG-DP Serie s - Options UN7, UN8 with 1EM)
Refer to Table 4-8 and Figure 4-8.
Table 4-8 Top View (ESG-DP Series - Options UN7, UN8 with 1EM)
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4-22
Top View (ESG-DP Serie s - Options UN7, UN8, UND)
Refer to Table 4-9 and Figure 4-9.
Table 4-9 Top View (ESG-D Series - Options UN7, UN8, UND)
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Top View (ESG-DP Series - Option UND with 1EM)
Refer to Table 4-10 and Figure 4-10.
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Side V i ew YIG Driver Assembly
Refer to Table 4-11 and Figure 4-11.
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4-28
Inside Front Panel View
Refer to Table 4-12 and Figure 4-12.
Table 4-12 Inside Front Panel View
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4-30
Electronic Attenuator/RPP View
Refer to Table 4-13 and Figure 4-13.
Table 4-13 Electronic Attenuator/RPP View
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4-32
Electronic Attenuator/RPP View (with Option 1EM)
Refer to Table 4-14 and Figure 4-14.
Table 4-14 Electronic Attenuator/RPP View (with Option 1EM)
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4-34
Mechanical Attenuator Vi ew (Option UNB)
Refer to Table 4-15 and Figure 4-15.
Table 4-15 Mechanical Attenuator View (Option UNB)
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4-36
Mechanical Attenuator Vi ew (Option UNB with 1EM)
Refer to Table 4-16 and Figure 4-16.
Table 4-16 Mechanical Attenuator View (Option UNB with 1EM)
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Pulse Modulator View (Option 1E6)
Refer to Table 4-17 and Figure 4-17.
Figure 4-17 Pulse Modulator View (Option 1E6)
Hardware and Other Instrument Parts
Top View
Refer to Table 4-18 and Figure 4-18.
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YIG Driver View
Disassembled Mechanical Attenuator View (Option UNB)
Disassembled Pulse Modulator View (Option 1E6)
Disassembled Pulse Modulator View (Option 1E6/UNB)
Refer to Table 4-22 and Figure 4-22.
Figure 4-22 Disassembled Pulse Modulator View (Option 1E6/UNB)
Front Panel View (ESG-AP Series)
Refer to Table 4-23 and Figure 4-23.
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Front Panel View (ESG-DP Series)
Refer to Table 4-24 and Figure 4-24.
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4-50
Disassembled Front-Panel View
Refer to Table 4-25 and Figure 4-25.
Table 4-25 Disassembled Front-Panel View
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Daughterboard Card Cage View
Inside Rear-Panel View
Rear-Panel View (ESG-AP Series)
Refer to Table 4-28 and Figure 4-28.
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4-56
Rear-Panel View (ESG-AP Series - Option 1EM)
Refer to Table 4-29 and Figure 4-29.
Table 4-29 Rear-Panel View (ESG-AP Series - Option 1EM)
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4-58
Rear-Panel View (ESG-DP Series)
Refer to Table 4-30 and Figure 4-30.
Table 4-30 Rear-Panel View (ESG-DP Series)
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4-60
Rear Panel View (ESG-DP Series - Option 1EM)
Refer to Table 4-31 and Figure 4-31.
Table 4-31 Rear Panel View (ESG-DP Series - Option 1EM)
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Instrument Chassis with Top and Right-Side Hardware
Refer to Table 4-32 and Figure 4-32.
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Power Supply Shield and Left-Side Hardware
Motherboard and Bottom-Side Hardware
Instrument Cover and Associated Parts
Refer to Table 4-35 and Figure 4-35.
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Miscellaneous
Accessories
ESG Family Signal Generators Replaceable Parts (ESG-AP and ESG-DP Series)
Service Guide 4-69
Documentation
Refer to Table 4-37 and Table 4-38.
Table 4-37 ESG Family Signal Generators Documentation
4-70
Table 4-38 Localized Documentation for ESG Family Signal Generators
ESG Family Signal Generators Replaceable Parts (ESG-AP and ESG-DP Series)
Service Guide 4-71
Electrostatic Discharge (ESD) Protective Supplies
Refer to Table 4-39.
Upgrade and Retrot Kits
Refer to Table 4-40.
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Assemblies That You Can Replace
A1 Front Panel Board
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A2 Display
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A2DS1 Fluorescent Lamp
A3 Inverter
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A4 Power Supply
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A4 Power Supply (with Option 1EM)
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A14 CPU/Motherboard
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A14BT1 Battery
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A14Q501 Transistor
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A15 Daughterboard
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A16 Line Module
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A17 and A18 Rear Panel Interface Boards
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A19 Reverse Power Protection (RPP)
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A20 Downconvertor
A22 YIG Driver
A25 Pulse Modulator
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A25 Pulse Modulator (with Option UNB)
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AT1 Electronic Attenuator/RPP
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AT1 Mechanical Attenuator
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B1 Small Fan
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B2 Large Fan
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Daughterboard Card Cage Boards
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Digital Card Cage Boards
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Front Panel
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Instrument Cover
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Rear Panel
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Rear Panel (with Option 1EM)
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Semi-Rigid Cables
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Performance Tests
Service Guide 6-3
Table 6-1 Performance Tests for the ESG-A Series
6-4
Table 6-2 Performance Tests for the ESG-D Series
Service Guide 6-5
Table 6-3 Performance Tests for the ESG-AP Series
6-6
Table 6-4 Performance Tests for the ESG-DP Series
Adjustments
6-8
Table 6-5 Adjustments for the ESG-A Series
Service Guide 6-9
Table 6-6 Adjustments for the ESG-D Series
6-10
Table 6-7 Adjustments for the ESG-AP Series
Service Guide 6-11
Table 6-8 Adjustments for the ESG-DP Series
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Safety Notes
General Safety Considerations
Lithium Battery Disposal
Warranty
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Notice
Certication
