background image

Part Number E4400-90388

Printed in USA  September 2000

Supersedes: July 2000

Installation Note

Agilent Technologies ESG Series Signal Generators 

(A Models) CPU/Motherboard (Q501 relocated to Chassis)

Replacement Kit: Part Number E4400-60238

Summary of Contents for ESG series

Page 1: ...0 90388 Printed in USA September 2000 Supersedes July 2000 Installation Note Agilent Technologies ESG Series Signal Generators A Models CPU Motherboard Q501 relocated to Chassis Replacement Kit Part Number E4400 60238 ...

Page 2: ...d to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Agilent Technologies shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Copyright 2000 Agilent Technologies Inc ...

Page 3: ... signal generator s chassis connect Q501 to the CPU Motherboard reassemble verify and calibrate the signal generator Installation Kit Parts List Product Affected Agilent E4400A E4420A E4421A E4422A E4430A E4431A E4432A and E4433A Series Signal Generators Serial Numbers All Options All To Be Performed By X Agilent Technologies Service Center Personnel Qualified by Agilent Technologies Customer Esti...

Page 4: ...ket 9 32 Socket Safety Considerations WARNING Before you disassemble the instrument turn the power switch off and disconnect the line cord Failure to unplug the Signal Generator can result in personal injury CAUTION Electrostatic discharge ESD can damage or destroy electronic components All work on electronic assemblies should be performed at a static safe workstation ...

Page 5: ...4 Reference Oven Cold occurs whenever the signal generator is first connected to the AC line power This error cannot be cleared from the error queue until the internal reference has warmed up approximately five minutes 4 If the ERR annunciator is displayed review the error messages in the queue by pressing Utility Error Info The first error message in the queue will be shown in the text area of th...

Page 6: ... strap handles item 1 from each side of the signal generator by loosening the two handle screws item 2 3 Remove the four bottom feet item 3 4 Remove the four rear feet item 4 from the signal generator by removing the four screws item 5 that secure them 5 Slide the signal generator cover item 6 off the back of the signal generator Figure 1 Instrument Cover and Associated Parts ...

Page 7: ...Installation Note E4400 90388 7 6 Refer to Figure 2 Remove the top chassis cover item 2 by removing the 11 screws item 1 that secure it Figure 2 Top Chassis Cover Removal ...

Page 8: ...lation Note E4400 90388 7 Refer to Figure 3 Turn the signal generator over and remove the bottom chassis cover item 3 by removing the 15 bottom chassis cover screws item 2 Figure 3 Bottom Chassis Cover Removal ...

Page 9: ...m 1 at the base of the rear panel 2 Remove the hex screws and washers that secure the AUXILIARY INTERFACE item 2 and GPIB connectors item 3 to the rear panel 3 Remove the 10 screws item 4 that secure the rear panel to the signal generator chassis 4 Pull the rear panel assembly away from the signal generator chassis Figure 4 Rear Panel View ...

Page 10: ... Baseband Generator board A7 2 If the signal generator has Option UN3 4 remove the Baseband Generator board A7 and the Pattern Ram board A8 Figure 5 Instrument s Top View Remove the CPU Motherboard 1 Refer to Figure 5 Disconnect A1W1 A3W1 B1W1 and B2W1 from the CPU Motherboard A14 2 Disconnect W13 and A4W1 from the CPU Motherboard A14 ...

Page 11: ...1 is located on the CPU Motherboard A14 Remove the screw item 1 securing the CPU Motherboard to the signal generator chassis 2 Remove the Q501 transistor screw item 2 An insulated bushing is between the CPU Motherboard and the signal generator chassis 3 Remove the old CPU Motherboard Figure 6 Signal Generator bottom view ...

Page 12: ...esponding slots of the signal generator chassis before securing it with the screws 1 Refer to Figure 7 Secure the new CPU Motherboard onto the signal generator chassis by installing a screw into the hole adjacent to item 2 Figure 7 Signal Generator with New CPU Motherboard 2 Secure the CPU Motherboard by installing the screw item 1 into the chassis Torque the screw to 9 in lbs ...

Page 13: ...through the top opening in slot 3 2 Hold Q501 the inner plate and the outer plate with pem nut and place the bushing against Q501 3 Insert the screw through the bushing Q501 and the inner and outer plate Insure the plates and Q501 are properly seated Install the Q501 assembly and torque the screw to 9 in lbs Figure 8 Relocation of Q501 on the signal generator chassis ...

Page 14: ...90388 Connect Q501 to CPU Motherboard 1 Refer to Figure 9 Connect the Q501 assembly wiring harness connector to the CPU Motherboard A14 2 Insure that the harness is properly seated Figure 9 Q501 Wiring Harness to CPU Motherboard ...

Page 15: ...3 4 A7 A8 if applicable 5 Reinstall the signal generator s cover top with the 11 screws Torque to 9 in lbs 6 Slide the signal generator top cover back onto the signal generator 7 Attach the rear feet the four bottom feet and the two strap handles to the signal generator s cover Torque the strap handle screws to 21 in lbs Verification of Signal Generator Operation 1 Turn the signal generator s powe...

Page 16: ...16 Installation Note E4400 90388 ...

Reviews: