Home

Agilent 16901A Logic Analysis System Service Guide

1. Check the supplied accessories Accessories supplied with the logic analyzer are listed on page 4 Inspect the product for physical damage Check the logic analyzer and the supplied accessories for obvious physical or mechanical defects If you find any defects contact your nearest Agilent Technologies Sales Office Arrangements for repair or replacement are made at Agilent Technologies option without waiting for a claim settlement Contact information is located on page 4 Connect the supplied power cord to the instrument and to the power source This instrument autodetects the line voltage from 115 VAC to 230 VAC It is equipped with a three wire power cable When connected to an appropriate AC power outlet this cable grounds the instrument cabinet The type of power cable plug shipped with the instrument depends on the model ordered and the country of destination Refer to Power Cables and Plug Configurations on page 77 more information on power cables Turn on the power switch located on the front panel For first time power up considerations and setup steps refer to the Installation Guide that came with your instrument To get the most up to date installation guide Go to www agilent com 16901A Logic Analysis System Service Guide Preparing for Use 2 Search for 16901A Logic Analysis System Look under Technical Support and then Manuals and Guides To connect multiple frames If you need to make
2. To prepare the instrument for disassembly on page 46 To remove and replace the cover on page 50 To remove and replace the front panel assembly on page 57 To remove and replace the backlight inverter board on page 59 To remove and replace the front panel bracket assembly on page 62 2 Using a Torx T10 screwdriver remove the 2 screws securing the display assembly to the front panel bracket assembly 3 Remove the alignment pins on the bracket from the holes on LCD Alignment holes Touch screen Alignment pins Touch screen control board assembly Liquid crystal display LCD assembly bracket T 10 screws 2 1690214 CAUTION Handle the touch screen and LCD display by the edges only If necessary clean with alcohol and a lint free wipe or remove any airborne contamination with ionized air 64 16901A Logic Analysis System Service Guide Replacing Assemblies 6 4 Gently pry the touch screen from the LCD It is held on with double sided tape 5 Reverse this procedure to replace the display assembly 16901A Logic Analysis System Service Guide 65 6 Replacing Assemblies To remove and replace the keypad and keypad board 1 Perform previous procedures To prepare the instrument for disassembly on page 46 To remove and replace the cover on page 50 To remove and replace the front panel assembly on page 57 2 Pull
3. While booting up the Logic Analysis system displays the Windows Boot Manager screen This screen provides you the following options Microsoft Windows 7 This is the default selected option This option starts the Logic Analysis system with the Windows 7 operating system This is the normal startup of the system Agilent Recovery System You should select this option when you want to restore repair your Logic Analysis system software by running the Agilent recovery process 38 16901A Logic Analysis System Service Guide Troubleshooting 5 Choose an operating system to start Use the arrow keys to highlight your choice then press ENTER gt Wicrasoft windows Agilent Recovery System To specify an advanced option for this choice press F8 2 After a few seconds Logic Analysis system automatically starts with the option selected in the Windows Boot Manager Select the Agilent Recovery system option in the Windows Boot Manager screen using the arrow keys and then press Enter The recovery process starts preparing the system for recovery and displays the following screen with options to choose You can enter 1 to run Check Disk on the Logic Analysis system s hard disk drive If the recovery process encounters any problems while running Check Disk it reports these problems else it returns to the Agilent Recovery system prompt on completion of Check Disk 2 to restore your Logic Analysis system software back t
4. on page 50 To remove and replace the PCI or display board on page 54 2 Disconnect the following cables from the motherboard CPU power cables USB cables Hard drive SATA cable Front panel reset cable lb CPU p power cables mo y n uses E cable Hard i Z drive oan SATA cable i Front panel reset cable 16901A Logic Analysis System Service Guide 55 Replacing Assemblies 3 Using a 5 mm hex nut driver remove the 6 Hex Studs securing the connectors to the rear panel 4 Using a Torx T10 screwdriver remove the 8 screws that secure the motherboard to the deck screws Yi D studs 6 5 Reverse this procedure to install the motherboard 16901A Logic Analysis System Service Guide 56 Replacing Assemblies 6 To remove and replace the front panel assembly 1 Perform previous procedures To prepare
5. Front Panel On Off 12V to 24V 88 Module Interface Board Rear Panel Signals Trigger In Out Clock In Multiframe Output Input Secondary PCI Bus RS 232 Bridge GPIO 3 3V 5V Power PCI Board Hard Disk Drive Front Panel Interface Board Keypad Board Digital Video Primary PCI Bus CPU Power Connector CPU On Off Reset SATA Bus PCI Express x16 15 Flat Panel LCD Display Backlight Inverter Board 15 Touch Screen Grid Option 103 USB CPU Motherboard CPU Subsystem The CPU subsystem includes e CPU board more on page 91 e Disk drives more on page 91 e Power supply more on page 92 16901A Logic Analysis System Service Guide Theory of Operation 8 PCI Board For more information on the PCI board go to page 92 Module Interface Board MIB The MIB subsystem block diagram shown here includes e Module bus FPGA s more on page 93 e I O FPGA more on page 93 Supported rear panel signals include Multiframe Input Output more on page 93 Trigger IN OUT more on page 94 Clock IN more on page 94 e PLD more on page 94 e Voltage rail monitor more on page 95 e Overtemp monitor more on page 95 e Fan control more on page 95 16901A Logic Analysis Sys
6. This includes the frame hardware and all modules plugged into the frame All other Agilent software in the system communicates with the drivers in order to access the hardware Therefore missing drivers look like missing hardware to the Agilent software The frame power button LED will flash when the frame is first powered on and become steady once the frame drivers have loaded A flashing power button LED should indicate 1 The frame is in the middle of a power up or power down sequence 2 The frame hardware was not recognized by the PnP system 3 The frame drivers are missing Once the Windows kernel and the system drivers are loaded a variety of Windows services background processes are started automatically by the system These services are like UNIX Linux daemons They run silently in the background in order to provide system services They run before any user has logged onto the system If the logic analyzer product is installed on the system a logic analyzer service called Agilent Logic Analysis should be running The logic analyzer service carries the following general responsibilities e System manager for the local frame e Communicates with local GUI application software e Listens for connection requests across the LAN remote connect from other systems e Initialization of all local frame hardware including modules This initialization includes loading of all FPGAs that are not loaded directly by boot EEPROM
7. ______ disk Does the instrument reach 5 inthe boot sequence and is the power LED steady on Does the instrument reach 7 in the boot sequence Is the power LED steady on Failed the system file check Run the gt recovery disk Yes Blank screen display problem due to display mode Reboot gt At Select OS menu press F8 to open advanced startup Select enable VGA mode then Continue Figure4 16901A Boot Up Troubleshooting Flowchart 30 16901A Logic Analysis System Service Guide Troubleshooting Try each of the following steps in order Return to 1 between each Reinstall the logic analyzer application Check all cables to front panel assembly Check all cables to CPU motherboard PPT o H Check all cables to MIB board Reseat as necessary Replace the MIB board gt gt Replace the PCI bridge board gt gt Figure5 16901A Application Troubleshooting 16901A Logic Analysis System Service Guide Flowchart 31 5 Troubleshooting To troubleshoot power problems 32 Power Supplies If the system warns you it is powering down before it powers down it is a fan overtemp problem If it just powers down it is a power supply problem If the lights do not come on and if the system powers up momentarily when you plug it in m
8. serial port parallel port USB 2 0 10 100 Mbit LAN and VGA Video One PCI slot and one PCI Express x1 slot are available for added I O such as 1 Gbit LAN or video Disk Drive The frame contains a SATA hard drive It is logically controlled directly from the CPU motherboard 16901A Logic Analysis System Service Guide 91 92 Theory of Operation PCI board Power supply The frame uses two modular power supplies to provide the six DC voltage rails 12 V 12 V 5 V 5 V 3 25 V 3 3 V These rails use remote sensing to maintain 01 load regulation The module slots are limited to 100 W each and the instrument as a whole to 600 W The frame has a soft power on off algorithm Pressing the power switch notifies the CPU to either wake up or power down The CPU then in turn drives the signal line which actually turns the supplies on or off A PLD monitors this process and will force a power down after approximately two minutes if the CPU does not respond The small portion of circuitry involved in this process is powered from an auxiliary 5 V which is always present as long as the instrument is plugged in Additional logic monitors the voltage levels on the six rails and will also cause an immediate power down if any one drops below about 90 of regulation Power down can also be caused by an over temperature sense circuit In this case the PLD notifies the CPU the user receives a warning window and a soft power down is s
9. 16901A logic analysis system mainframe may require calibration operational accuracy calibration or adjustments Refer to the Testing Performance chapter in the service manual for the module 24 16901A Logic Analysis System Service Guide CAUTION Agilent 16901A Logic Analysis System Service Guide 5 Troubleshooting To use the 16901A troubleshooting flowcharts 26 To troubleshoot power problems 32 To run the self tests 35 To restore the system software 37 This chapter helps qualified service personnel troubleshoot the logic analyzer to find defective assemblies The troubleshooting consists of flowcharts self test instructions and tests This information is not intended for component level repair If you suspect a problem start at the top of the first flowchart During the troubleshooting instructions the flowcharts will direct you to perform other tests The other tests are located in this chapter after the flowcharts The service strategy for this instrument is the replacement of defective assemblies This instrument can be returned to Agilent for all service work including troubleshooting Contact your nearest Agilent Technologies Sales Office for more details Electrostatic discharge can damage electronic components Use grounded wrist straps and mats when you perform any service to this instrument or to the cards in it 3 s Agilent Technologies 25 5 Troubleshooting To use the 16901A troubleshooti
10. XP installation 37 warnings hazardous voltages 16 44 46 51 web address 74 weight 12 Windows Boot Manager 39 T temperature 12 tests self tests 35 theory of operation 87 time correlated measurements 17 tools required 44 touch screen assembly removal 64 touch screen controller board removal 61 62 tray assembly removal 69 trigger in 13 turning off 46 U UBS cables 63 USB cable removal 63 104 16901A Logic Analysis System Service Guide
11. cable Fan cable screws aa assembly Module interface board Baffle 5 Reverse this procedure to replace the fan s 16901A Logic Analysis System Service Guide 71 6 Replacing Assemblies To remove and replace the line filter assembly Perform previous procedures To prepare the instrument for disassembly on page 46 To remove and replace the cover on page 50 To remove and replace the front panel assembly on page 57 1 Disconnect the line filter assembly cables from the power supplies In order to press the release latches on the lower cable connection you may need to slide the tray assembly part way out following the procedure To remove and replace the tray assembly on page 69 2 Using a Torx T10 screwdriver remove the 2 screws securing the power socket to the frame and the 1 screw to the ground wire Line filter assembly T 10 screw Ground wire SY T 10 screws 2 SF ar 16900231 3 Reverse this procedure to replace the power line filter assembly 72 16901A Logic Analysis System Service Guide Replacing Assemblies 6 To replace the module interface board To replace the module interface board of your 16901A logic analysis system you send your logic analysis unit to Agilent for repair replacement of the module interface board See Returning Assemblies on page 74 to know more about how to return the unit to Agilent for repair Ensure that all cables are discon
12. high speed module interface bus 1 0 FPGA The Xilinx XC2V250 FPGA is the center of the instrument I O functions The system interfaces directly to this part in the same way it talks to the measurement module slot s via a 16 bit multiplexed general purpose bus The FPGA is loaded from an on board EPROM at power up The EPROM contents can be changed updated through the system software via a JTAG port A major function of this FPGA component is system correlation time alignment of the measurement modules and possible other modules connected through the multiframe port or Trigger In connector This is done with eight 52 bit counters running at 1 6 GHz allowing relative time alignment of eight seperate events A 100 MHz clock is also selected from three possible sources internal multiframe external and a synchronizing signal is generated for time alignment across multiframe A second major function of the FPGA is the logical combination and routing of the module arm and trigger lines ARM TRIG FLAG These signals are used by the modules to start and stop each other in addition to supplying the signals for real time correlation The other FPGA functions include a system interface to control the Trigger In and Trigger Out ports a serial DAC programmer and UARTs for multiframe Multiframe Input Output Multiframe is a proprietary bus used to connect multiple 16900A 16901A and 16902A frames It physically consists of two connecto
13. internal and external monitors Figure 3 Is the display screen readable on the external monitor Yes Replace the CPU motherboard Return to Login to Windows and check display settings Set the default to display 1 internal display at 1024x768 pixels 16 bit color depth Try D and then E between each Is the built in display completely dark Try C amp return toC panel Replace the LCD Replace the MIB board Replace the PCI bridge OO 16901A Display Troubleshooting Flowchart 16901A Logic Analysis System Service Guide 29 5 Troubleshooting TYPICAL BOOT SEQUENCE DISPLAY 1 Boot text 2 Agilent Technologies text and logo 3 Intel boot agent text 4 Select operating system menu 5 Windows XP boot screen blue 6 Checking file system text 7 Welcome to Windows login screen Does the instrument reach 3 in the boot Enter BIOS setup and reset to default sequence Try A then B B Replace the CPU l Return to 1 between motherboard each Check the hard drive power and signal J e gt cables No Failed OS boot Reseat RAM DIMMs from hard drive J 0 Run the recovery disk gt Try C then D then Return to Replace the hard drive 1 between each E and run the recovery
14. screws 2 pra cables cables 5 Reverse this procedure to replace the tray assembly 16901A Logic Analysis System Service Guide 69 6 Replacing Assemblies To remove and replace the fans 60 mm fan 1 Perform previous procedures To prepare the instrument for disassembly on page 46 To remove and replace the cover on page 50 2 Disconnect the fan cable from the module interface board MIB 3 Using a Torx T25 screwdriver remove the 4 screws holding the fan to the rear of the chassis T 25 screws 4 o gt D Z Pa Fan Motherboard Q S SN Fan cable LA S Zz LI Sa a f ie 16800e30 4 Reverse this procedure to replace the fan 16901A Logic Analysis System Service Guide Replacing Assemblies 6 92 mm fans 1 Perform previous procedures To prepare the instrument for disassembly on page 46 To remove and replace the cover on page 50 To remove and replace the front panel assembly on page 57 To remove and replace the tray assembly on page 69 2 Using a Torx T10 screwdriver remove the 4 screws securing the baffle to the chassis 3 Disconnect the fan cable for the fan you are replacing from the fan cable assembly If replacing all fans disconnect the fan cable assembly from the module interface board 4 Using a Torx T25 screwdriver remove the 4 screws securing the fan to the rear of the chassis To T 25 Ni Fan
15. the following reasons e Hard drive failure e Virus in the system or unstable system e Intentional disk clean for example if you are passing the system to another team or returning it to a rental company and you do not want any data left on it On a Legacy 16901A Series Logic Analysis system with Windows XP Installation The legacy 16901A series of Logic Analysis systems have the Windows XP operating system installed These systems also have the Agilent Logic Analyzer software preinstalled Follow the instructions provided with the recovery CD or DVD that accompanies your Logic Analysis system to restore your system software You need to have a keyboard mouse and external USB DVD reader connected CAUTION Running the recovery disks will reformat your hard drive All data files and programs will be overwritten Save your license files and data to a CD or to another machine before performing this procedure On a 16901A Series Logic Analysis system with Windows 7 Installation The 16901A series of Logic Analysis systems with serial number of MY51420101 or higher have the Windows 7 operating system installed These systems also have the Agilent Logic Analyzer software version 5 20 or later preinstalled These systems do not have any recovery CD or DVD in their shipment If you need to restore the logic analysis system software you run the recovery process on the hard drive of the system This recovery process uses the hidde
16. the instrument for disassembly on page 46 To remove and replace the cover on page 50 2 Disconnect the following cables USB cables from the motherboard Display cable from the display board use care when disconnecting to avoid damage Touch screen cable from the touch screen controller board Keyboard cable from the keypad board Front panel cable from the backlight inverter board 3 Using a Torx T10 screwdriver remove 4 screws that secure the shroud to the chassis 4 Remove the shroud 169009 Og O Shroud T 10 screws 4 ae 16901A Logic Analysis System Service Guide 57 58 Replacing Assemblies Using a Torx T10 screwdriver remove 6 screws that secure the front panel to the chassis Remove the front panel assembly Reverse this procedure to install the front panel assembly Coy Keyboard g cable Front panel T10 GL screws 3 gt Boi N KO USB T 10 cables screws 3 N a Touch screen cable 16901210 N Ke 16901A Logic Analysis System Service Guide Replacing Assemblies 6 To remove and replace the backlight inverter board 1 Perform previous procedures To prepare the instrument for disassembly on page 46 To remove and replace the cover on page 50 To remove and replace the front panel assembly on page 57 2 Using a Torx T10 screwdriver remove the 7 screws
17. to remove and replace the cover In this case remove 4 T10 screws then remove the shroud 4 Slide the cover back to remove a a 0 6 T 20 screws 2 a T 10 screws 6 8 N CS N Shroud 4 T 10 screws 5 Reverse this procedure to replace the cover CAUTION When reinstalling the handle assembly ensure that the screws are torqued to 2 372 Newton meters 21 inch pounds so that they do not work themselves loose 50 16901A Logic Analysis System Service Guide Replacing Assemblies 6 To remove and replace the power supplies WARNING Hazardous voltages exist on the power supply To avoid electrical shock disconnect the power from the instrument before performing the following procedures After disconnecting the power wait at least six minutes for the capacitors on the power supply board to discharge before servicing the instrument 600 watt power supply The 600 watt power supply is on all models but may look different than the one shown here 1 Perform previous procedures To prepare the instrument for disassembly on page 46 To remove and replace the cover on page 50 2 Press the release latches on the sides of the connector to disconnect the top 600 watt power supply cable from the module interface board MIB 3 Press the single release tab to disconnect the lower 600 watt power supply cable from the MIB 4 Press the release latches to disconnect the 600 watt lin
18. to MY50370000 are shipped with the Windows XP Professional operating system The 16901A Series logic analysis systems having the serial number MY50370000 or higher are shipped with the Windows 7 operating system After power is applied to the frame the basic input output system BIOS is the first thing to run Among other things the BIOS is responsible for enumerating plug and play PnP devices in the system and doing a power on self test POST All of the CPU motherboard RAM is checked 16901A Logic Analysis System Service Guide Theory of Operation 8 during POST however subtle memory problems may not be detected by this simple test If any hardware that the BIOS detects is malfunctioning at a fundamental level then the BIOS reports an error to the display if available If things are OK control is turned over to the operating system On Windows XP during startup the Agilent logo is displayed by the system BIOS then a few other messages and finally the preliminary Windows XP startup screens On Windows 7 you are automatically logged on to the system using the Administrator account and the Windows 7 desktop is displayed During the first phase of the Windows startup the kernel is loaded along with various system drivers Prior to the video drivers loading video is only displayed to the same video device as the BIOS startup screen Once the video drivers load the resolution will switch and eventually a logon screen w
19. 21 4 Calibrating and Adjusting Calibration Strategy 24 Calibrations and Adjustments for Modules 24 5 Troubleshooting To use the 16901A troubleshooting flowcharts 26 To troubleshoot power problems 32 Power Supplies 32 To check the power supply voltages 32 To run the self tests 35 To exit the test system 36 16901A Logic Analysis System Service Guide 3 Contents To restore the system software 37 On a Legacy 16901A Series Logic Analysis system with Windows XP Installation 37 On a 16901A Series Logic Analysis system with Windows 7 Installation 37 Contacting Agilent Service Support 41 6 Replacing Assemblies 16901A Logic Analysis System Disassembly Assembly 44 Replacement Strategy 44 Tools Required 44 To save the license file 45 To prepare the instrument for disassembly 46 To power off the system 46 To remove and replace optional modules or filler panels 48 To remove and replace the cover 50 To remove and replace the power supplies 51 600 watt power supply 51 Secondary power supply 52 To remove and replace the PCI or display board 54 To remove and replace the motherboard 55 To remove and replace the front panel assembly 57 To remove and replace the backlight inverter board 59 To remove and replace the touch screen controller board 61 To remove and replace the front panel bracket assembly 62 To remove and replace the USB cables 63 To remove and replace the display assembly 64 To remove and replace the ke
20. 5 Snap the power supply off the tray assembly see enlargement of snap in fastener 6 Reverse this procedure to install the power supply Tio screws 2 N 6901208 assembly Secondary power Release supply latches on p Sna line filter elease tab on p cable secondary power fasteners 2 supply cable 16901A Logic Analysis System Service Guide 53 6 Replacing Assemblies To remove and replace the PCI or display board 1 Perform previous procedures To prepare the instrument for disassembly on page 46 To remove and replace the cover on page 50 2 Disconnect the cable from the board you are replacing 3 Using a Torx T10 screwdriver remove the screws securing the board to the rear panel 4 Lift the board out of the socket to remove S T 10 screws 2 PCI cable Slots in deck el ae LY 16800207 5 To replace a board a Ensure that the tab on the board s rear panel is aligned with the slot in the deck b Press the board securely into the socket on the motherboard c Replace the screw 54 16901A Logic Analysis System Service Guide Replacing Assemblies 6 To remove and replace the motherboard The following graphics of the motherboard are representative Yours may look different 1 Perform previous procedures To prepare the instrument for disassembly on page 46 To remove and replace the cover
21. 6504 PCI card w bracket assembly MP34 0950 4812 Power supply AC DC 175 W 5 outputs MP35 16800 01204 Power supply plate MP37 16804 68701 Power supply subassembly 175 W MP38 16901 68701 Power supply subassembly 600 W MP39 16901 40501 Probe shroud MP41 16903 67101 RFI Gasket keyboard mouse not shown MP43 1150 7997 Stylus not shown MP44 16901 45001 Lever assembly left MP45 16901 45002 Lever assembly right MP46 16800 81201 RFI gasket fabric over foam MP47 16800 81202 RFI gasket fabric over foam MP48 16800 81203 RFI gasket no snag copper 84 16901A Logic Analysis System Service Guide Replaceable Parts 7 Table 4 Replaceable parts for the frame continued Ref Agilent Technologies Part Des Number Qty Description W6 16800 61609 1 Cable CPU power W7 16800 61608 1 Cable fan assembly W8 16800 61601 1 Cable front panel W9 16800 61610 1 Cable hard disk drive HDD power w10 54855 61624 1 Cable motherboard switch cable w11 16800 61600 1 Cable PCI MIB W12 16800 61605 1 Cable power 175W W14 16800 61607 1 Cable power supply 175W W15 D8104 61603 1 Cable serial ATA hard drive Replaceable parts for the frames with serial n mber MY50370000 or greater The following are the new part numbers for the replaceable parts of the 16901A Series logic analysis frames with serial number MY50370000 or greater For parts that are not listed in the following table the old part numbers specified in Table 4 are appl
22. Agilent 16901A Logic Analysis System Service Guide ee Agilent Technologies Notices Agilent Technologies Inc 2006 2007 2011 No part of this manual may be reproduced in any form or by any means including electronic storage and retrieval or transla tion into a foreign language without prior agreement and written consent from Agi lent Technologies Inc as governed by United States and international copyright laws Trademark Acknowledgements Windows and MS Windows are U S regis tered trademarks of Microsoft Corporation Windows XP is a U S registered trademark of Microsoft Corporation Manual Part Number 16901 97002 Edition Third edition November 2011 Printed in Malaysia Agilent Technologies Inc 1900 Garden of the Gods Road Colorado Springs CO 80907 USA Warranty The material contained in this docu ment is provided as is and is sub ject to being changed without notice in future editions Further to the max imum extent permitted by applicable law Agilent disclaims all warranties either express or implied with regard to this manual and any information contained herein including but not limited to the implied warranties of merchantability and fitness for a par ticular purpose Agilent shall not be liable for errors or for incidental or consequential damages in connection with the furnishing use or perfor mance of this document or of any information contained herein Should A
23. Handle MP4 Cover P2 Front Panel Bracket Feet 4 MP5 Bottom Feet 4 MP15 Tilt Stand MP12 Key Pad MP9 PC Board Inverter Board 1690te17 16901A Logic Analysis System Service Guide Replaceable Parts 7 Table 3 Replaceable parts for the cover and front panel assembly Ref Des Agilent Technologies Part Number Description A2 H1 H2 H3 MP1 MP2 MP4 MP5 MP6 MP7 MP8 MP9 MP11 MP12 MP13 MP14 MP15 MP16 MP17 MP28 16800 68701 0515 0374 0515 2032 0515 0430 01680 68702 16800 01201 16901 04101 54810 61001 16800 40503 16800 40201 16600 68707 0950 4805 16800 47402 16800 66403 16702 47402 2090 0939 01680 04701 0960 2576 0960 2535 16800 01209 Font panel with 15 inch display and touchscreen Screw machine M3 x 0 5 10mm long Screw machine M3 x 0 5 8mm long 90 deg flh hd Screw machine M3 x 0 5 6mm long Accessory pouch Bracket front panel Cover Foot bottom Foot side Front frame Handle assembly includes screws Inverter DC AC 8W dual output w dimming function Keypad touchscreen Keypad PC board assembly Knob cursor LCD Liquid Crystal Display 15 inch TFT color Tilt stand Touch screen Touch screen controller board Front panel plate 16901A Logic Analysis System Service Guide 81 7 Replaceable Parts Table 3 Replaceable parts for th
24. Test Points 3 25 slot B 3 25 slot A 5 2 GND 5 16901A Logic Analysis System Service Guide 33 5 34 Troubleshooting Power Supply Block Diagram 3 3V 40A MIB amp PCI DC DC Converter 3 3V 25 6A MAX say Board Power U57 on MIB 45V MAX Power 3 3V 4A 5V 1A 5V AUX 0 5A 5V 40A 5V AUX DC DC Converter 5V 11A MAX U58 on MIB 3 3V Acquisition 5 2V 25A 5V Slot A 12V 600W DC DC Converter 52V 11 2A MAX ipy MAX Power Power Supply U59 on MIB as 3 3V 10 8A 12V 5V 5A 5 2V 12V 0 5A f 12V 0 5A 3 25V 4A SEN S2V03A DC DC Converter 3 25V 3A MAX BENOSA U55 on MIB 3 3V Acquisition 3 25V 4A 5V Slot B DC DC Converter 325V 3A MAX soy MAX Power U56 on MIB 3 3V 10 8A 12V 5V 5A 5 2V 12V 0 5A 12V 0 5A 325V 3 25V 3A 5 2V 5 6A 3 3V 6A MAX 3 3V Motherboard 5V MAX Power 5 Channel 5V 14A MAX 3 3V 6A Power Supply a 5V 14A 3 3V 15A 12V 16A 5V 25A 12V1A MAX 12V 0 1A 12V 5A 5V AUX 1 4A 121A 12V 1 1A MAX 5V AUX 2A 5V AUX 5VSB 1 9A MAX 16901A Logic Analysis System Service Guide Troubleshooting 5 To run the self tests The self tests check the functional operation of the logic analyzer P
25. ake sure the power button hasn t become jammed or stuck in the pushed in position The 16901A logic analysis system has one 600 W power supply and a second 175 W power supply The power supplies must remain connected in order to test their output voltages There are power supply test points on the MIB board To check the power supply voltages Hazardous voltages exist on the power supply This procedure is to be performed by service trained personnel aware of the hazards involved such as fire and electrical shock 1 Turn off the instrument using one of the methods descirbed in To power off the system on page 46 2 Disconnect the instrument s power cord move the instrument to a static safe work environment then remove the cover instructions in To remove and replace the cover on page 50 3 Ensure that the CPU power cable and reset cables are seated properly 4 Reconnect the instrument s power cord then apply power to the instrument 5 Using a digital voltmeter measure the DC power supply voltages Use the following graphics when measuring the voltages 6 Using a voltmeter ensure the AUX 5V power on the MIB measures 5V If it does not replace the power supply 16901A Logic Analysis System Service Guide Troubleshooting 5 7 Referring to the graphics that follow note problems with the power supply then return to Figure 2 16901A Power Troubleshooting Flowchart on page 28 Power Supply
26. ation on the instrument 16901A Logic Analysis System Service Guide General Information 1 Trigger In The Trigger In connector is 5V Max pk and DC CAT I line isolated A Clock In The Clock In connector is 5 5V Max pk and DC CAT I line isolated 16901A Logic Analysis System Service Guide 13 General Information 1 imensions D The following figure provides dimensions for the 16901A logic analysis system mainframe in centimeters and inches 443 23 mm 17 450 in fe 28 822 mm 11 347 in i 361 49 mm 14 232 in 16901A Logic Analysis System Service Guide 14 Agilent 16901A Logic Analysis System Service Guide 2 Preparing for Use To inspect the logic analysis system 16 To apply power 16 To connect multiple frames 17 To install measurement modules 17 To clean the instrument 17 Apg Agilent Technologies 2 Preparing for Use To inspect the logic analysis system 1 Inspect the shipping container for damage If the shipping container or cushioning material is damaged keep them until you have checked the contents of the shipment and checked the instrument mechanically and electrically Hazardous voltages exist in this instrument To avoid electrical shock do not apply power to a damaged instrument To apply power 16
27. ay Africa India 250V Option 918 8120 4754 IEC 320 1 C13 90 2 3meters Gray Japan 100V KK Option 919 8120 6799 IEC 320 1 C13 90 2 0 meters Flint Israel Gray 250V Option 920 8121 6871 IEC 320 1 C13 90 2 0 meters Flink Argentina UG Gray 250V VA A Option 921 8120 6979 IEC 60320 1 C13 90 4 5 meters Flint Chile Wy Gray wm SN Option 922 8120 8377 IEC 320 1 C13 90 2 2 meters Flint People s Republic of K Gray China SP Q Option 927 8120 8871 IEC 60320 1 C13 2 3 meters Flint Brazil Thailand QR Straight Gray 78 16901A Logic Analysis System Service Guide Replaceable Parts 7 Replaceable Parts List The replaceable parts lists in this chapter are organized by reference designation The exploded views do not show all of the parts in the replaceable parts lists Information included for each part in the list consists of the following e Reference designator A Assembly H Hardware MP Mechanical Part W Cable e Agilent Technologies part number e Total quantity included with the instrument Qty e Description of the part 16901A Logic Analysis System Service Guide 79 W4 Touchscreen Cable MP 16 Touchscreen Replaceable Parts MP17 Touchscreen Controller Cover and Front Panel Assemblies The 16901A logic analysis system has a built in touch screen color display and also support external displays MP14 Display MP8
28. e filter cable 16901A Logic Analysis System Service Guide 51 6 Replacing Assemblies Release latches on 600 watt power supply cable MIB Release latches on line filter cable Release tab on 600 watt powe supply cable 600 watt power supply Line filter cable for lower power supply jain screws 4 5 Using Torx T20 screwdriver remove the 4 screws that secure the 600 watt power supply to the chassis 6 Slide the power supply toward the front panel and lift it out of the frame while holding the line filter cable for the lower power supply out of the way 7 Reverse this procedure to replace the 600 watt power supply Secondary power supply The secondary power supply is 175 watts and may look different than the one shown here 1 Perform the procedures To prepare the instrument for disassembly on page 46 To remove and replace the cover on page 50 To remove and replace the front panel assembly on page 57 2 Using a Torx T10 screwdriver remove the 2 side screws securing the tray assembly to the frame 52 16901A Logic Analysis System Service Guide Replacing Assemblies 6 3 Slide the tray out far enough to disconnect the following cables Line filter cable for 600 watt power supply press release latches Secondary power supply cable press release tab 4 Using a Torx T10 screwdriver remove the 2 screws that secure the secondary power supply to the tray
29. e cover and front panel assembly continued Ref Agilent Technologies Part Des Number Oty Description W1 16800 61613 1 Display cable not shown W2 16800 61603 1 Front panel cable not shown W3 16800 61614 1 Inverter cable not shown W4 D8104 61604 1 Touch screen cable W5 16800 61611 1 USB dual cable 82 16901A Logic Analysis System Service Guide Replaceable Parts 7 16901A Frame The 16901A logic analysis system is modular with slots for two measurement modules P33 PCI Card MP19 Display Card MP27 Module Interface Board MP 38 600 W MP29 Power Motherboard Supply MP22 or MP23 Hard Disk Drive ES P24 ard Disk Drive Plate E MP 40 16901218 Raffle 16901A Logic Analysis System Service Guide 83 7 Replaceable Parts Table 4 Replaceable parts for the frame Ref Agilent Technologies Part Des Number Oty Description see page 77 1 Power cords A3 16901 60001 Chassis fan assembly includes all fans MP18 16800 00201 CPU 1 0 panel not shown MP19 0960 2530 Display card advanced digital MP25 1150 7970 Keyboard not shown MP26 16901 94301 Label AC power not shown MP27 16800 66504 Module interface board MIB MP29 D81004 68809 Motherboard assembly with CPU and SDRAM MP30 1150 7913 Mouse optical wheel not shown MP31 16903 66404 PCI card MP32 16800 01205 PCI card bracket MP33 16903 6
30. e power button for more than 4 seconds will power the system down abruptly Use this method only when other methods have not responded e Programs that are running will not be shut down Any data that has not been written to the disk will be lost e Turns off the power supply e If the system is unplugged while it is off and then plugged back in the system will not power on until the power button is pressed e If the system does not boot the hard disk drive will need to be re imaged Unplugging the Power Cord or Power Loss Unplugging power while the instrument is turned on or a power loss is similar to the long press of the power button with one exception e When the system is plugged back in it will power up and boot into Windows 16901A Logic Analysis System Service Guide 47 6 Replacing Assemblies To remove and replace optional modules or filler panels Locked position 48 The following procedure guides you through installing removing or replacing measurement modules in the logic analysis system frame Information on connecting specific multi card measurement modules can be found in the Installation Guide that came with your frame Measurement modules with different model numbers may not be connected together in multi card Master Expander modules unless stated otherwise See also the service guide that came with your measurement module 1 Perform previous procedures To prepare the instrument for disa
31. e power down signal is asserted from CPU or MIB module interface board y Try A then B then C Return to between each temperature Possible overtemp shutdown Yes Did fans No come on for a second Yes The voltage monitor on the module interface board caused the shutdown Disconnect the power supply cables apply power and check voltages lt Replace the Are power supply defective a voltages correct power supply lt _ Check for a power short burnt components traces etc y Is there Yes Replace the a power damaged gt short component Replace the MIB Check the CPU to MIB cables Check the AUX 5V power Go a to To troubleshoot power problems in this chapter Replace the CPU 8 Replace the MIB lt c Figure 2 16901A Power Troubleshooting Flowchart 28 16901A Logic Analysis System Service Guide Is there any boot dialog at any time No Try A then B Return to O between each Proceed to boot up troubleshooting On Check all cables to the front panel assembly Check all cables to the Troubleshooting 5 CPU motherboard Ensure the front panel board is fully seated Reseat as necessary Connect a known good external monitor NOTE press and hold Touch off to switch between the
32. ectly you can perform software tests self tests on the system Directions for performing the software tests are given in this chapter Because there are no specifications for the 16901A logic analysis system there are no performance verification tests Bg oe Agilent Technologies 19 3 Testing Performance Self Tests Test Interval 20 The self tests listed in this chapter check the functional operation of the mainframe Self tests for the optional modules installed in the frames are listed in the individual module Service Guides There are two types of self tests self tests that automatically run at powerup and self tests that you select on the screen For descriptions of the tests refer to Chapter 8 Theory of Operation Perform the self tests as an acceptance test when receiving the logic analysis system or when the logic analysis system is repaired If a test fails refer to Chapter 5 Troubleshooting There is no recommended test interval for the 16901A logic analysis system mainframe However each of the supported modules has performance verification tests and therefore require a periodic verification of specifications Refer to the Service Guides of the individual modules for more information 16901A Logic Analysis System Service Guide Testing Performance 3 To perform the power up tests The logic analysis system automatically performs power up tests when you apply power to the instrument Any e
33. efault selection Choose an operating system to start Use the arrow keys to highlight your choice then press ENTER wicrosoft Windows 7 Agilent Recovery System To specify an advanced option for this choice press F8 Seconds until the highlighted choice will be started automatically 1 There are situations when you are not able to run the recovery process for instance when the hard disk drive of your system fails or when running the recovery process does not recover your system software In such situations you can send your Logic Analysis system for hard disk repair replacement to Agilent Alternatively you can contact your nearest Agilent sales service office To locate a sales or service office go to www agilent com find contactus Contacting Agilent Service Support To locate a sales or service office near you go to http www agilent com find contactus 16901A Logic Analysis System Service Guide 41 5 42 Troubleshooting 16901A Logic Analysis System Service Guide Agilent 16901A Logic Analysis System Service Guide 6 Replacing Assemblies 16901A Logic Analysis System Disassembly Assembly 44 To prepare the instrument for disassembly 46 To remove and replace optional modules or filler panels 48 To remove and replace the cover 50 To remove and replace the power supplies 51 To remove and replace the PCI or display board 54 To remove and replace the motherboard 55 To remove and replace the front pane
34. ent web service support 41 Agilent contact information 4 air circulation 49 altitude 12 assemblies exchange 76 returning 74 assembly procedures 44 backligh inverter board removal 59 before disassembly 46 board backlight inverter 59 keypad 66 MIB 92 motherboard removal 55 PCI 92 touch screen controller 61 C cables USB 63 calibration 24 cautions damage to components 44 46 electrostatic discharge 44 74 LCD display handling 64 oil damage 66 characteristics 12 Check Disk 39 cleaning instrument 17 LCD display 64 touch screen 64 clockin 13 contact information 41 contacting Agilent 4 controller board removal 61 cooling 49 cover assembly 80 cover removal 50 D damage in shipping 16 dimensions 14 disassembly preparation 46 procedures 44 sk drive removal 68 splay 3 splay assembly removal 64 splay card removal 54 E exchange assemblies 76 exploded view cover 80 frame 83 front panel 80 F fan removal 70 features 3 flowcharts troubleshooting 26 frame replaceable parts 83 front panel assemblies 80 front panel bracket assembly removal 62 front panel removal 57 H hard disk drive removal 68 host ID 45 humidity 12 l ID 45 identification 45 install measurement modules 17 instrument identification 45 inverter board removal 59 K keypad and board removal 66 L license file saving 45 16901A Logic Analy
35. er e Agilent Logic Analyzer application which takes the complexity out of making logic analyzer measurements You can perform all operations directly from one window 16901A Logic Analysis System Service Guide 3 Supplied Accessories e PS2 mouse e PS2 keyboard e Accessory pouch and power cord Optional Accessories e Multiframe cable E5861A e Probes Service Strategy The service strategy for this instrument is the replacement of defective assemblies This service guide contains information for finding a defective assembly by testing and servicing the 16901A logic analysis system This instrument can be returned to Agilent Technologies for all service work including troubleshooting Contact your nearest Agilent Technologies Sales Office for more details Contacting Agilent Technologies To locate a sales or service office near you go to www agilent com find contactus 16901A Logic Analysis System Service Guide In this Service Guide This book is the service guide for the 16901A logic analysis system and is divided into eight chapters Chapter 1 General Information contains information about the instrument s characteristics Chapter 2 Preparing for Use tells how to prepare the instrument for use Chapter 3 Testing Performance gives instructions on how to test the performance of the instrument Chapter 4 Calibrating and Adjusting contains calibration instructions for the inst
36. erform the self tests as an acceptance test when receiving the logic analyzer or when the logic analyzer is repaired 1 In the Agilent Logic Analyzer application click Help gt Self Test wm Window Help e Help Topics Fi z Help On Probes Help On Windows Help On Tools Help Lanquage vywrVY OK gt Show Demo 30 ns Self Test Sr Logic Analyzer Upgrade j Software Licensing About 2 In the Analysis System Self Test dialog double click on the test you want to run Analysis System Self Tests For Host neo10 Select options Progress amp Statistics i i Overall Include interactive tests Set reporting level Current 0 C Run repetitively Cl Stop on fail J _ Tests selected 46 Double click item to start Failures 0 Select suites slots 169114 Logic Anal 169114 Logic Results Timing Zoom Memory Addr Data Test running Timing Zoom Memory Addr Data Test ended Result Passed 16911A Logic Analyzer B ended Result Passed Stop time 2006 10 03 10 14 14 Result Summary All tests passed End of Analysis System Self Test Run v 2 16901A Logic Analysis System Service Guide 35 5 Troubleshooting To exit the test system 1 Simply close the self test dialog No additional actions are required 36 16901A Logic Analysis System Service Guide Troubleshooting 5 To restore the system software Restoring your system software might be necessary for
37. formed or adhered to could result in damage to the product or loss of important data Do not proceed beyond a CAUTION notice until the indicated conditions are fully understood and met A WARNING notice denotes a hazard It calls attention to an operating procedure practice or the like that if not correctly per formed or adhered to could result in personal injury or death Do not proceed beyond a WARNING notice until the indicated condi tions are fully understood and met 16901A Logic Analysis System Service Guide The Agilent 16901A Logic Analysis System At a Glance The Agilent Technologies 16901A logic analysis system is a modular system 7 Features e Two slots for logic analyzers and other types of measurement modules e Multiframe Pro for making time correlated measurements with a logic analysis system made up of multiple 16900A 16901A and 16902A frames e Built in 15 inch TFT color touch screen LCD display 1 024 x 768 XGA resolution e 250 GB hard disk drive or external hard drive 16901A Option 109 e 10 100 Base T LAN port e USB 2 0 ports six total two on front four on back e One PCI expansion slot e One PCI Express x1 expansion slot e Windows XP Professional operating system Windows 7 operating system on logic analyzers with serial numbers MY50370000 or high
38. gilent and the user have a separate written agreement with warranty terms covering the material in this document that conflict with these terms the warranty terms in the sep arate agreement shall control Technology Licenses The hardware and or software described in this document are furnished under a license and may be used or copied only in accordance with the terms of such license Restricted Rights Legend If software is for use in the performance of a U S Government prime contract or sub contract Software is delivered and licensed as Commercial computer soft ware as defined in DFAR 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a or as Restricted computer software as defined in FAR 52 227 19 June 1987 or any equivalent agency regulation or contract clause Use duplication or disclosure of Software is subject to Agilent Technologies standard commercial license terms and non DOD Departments and Agencies of the U S Gov ernment will receive no greater than Restricted Rights as defined in FAR 52 227 19 c 1 2 June 1987 U S Govern ment users will receive no greater than Limited Rights as defined in FAR 52 227 14 June 1987 or DFAR 252 227 7015 b 2 November 1995 as applicable in any technical data Safety Notices CAUTION A CAUTION notice denotes a haz ard It calls attention to an operat ing procedure practice or the like that if not correctly per
39. he following operating characteristics are not specifications but are typical operating characteristics for the Agilent 16901A logic analysis system Electrical Characteristics Power Requirements Frame 16901A 115 230 Vac 20 48 66Hz 775W Max The line voltage is autodetected by the instrument CAT II Line voltage in appliance and to wall outlet Pollution degree 2 Environmental Characteristics Temperature Altitude Humidity Vibration Weight Storage 12 For indoor use only Instrument 16901A 0 to 45 C 32 to 113 F Probes cables 0 to 65 C 32 to 149 F 3 000 m 10 000 ft Relative humidity 8 to 80 at 40 C 104 F Avoid sudden extreme temperature changes which could cause condensation on the circuit board Operating random vibration 0 500 Hz 10 minutes per axis 0 3 g rms Non operating random vibration 0 500 Hz 10 minutes per axis 2 41g rms and swept sine resonant search 0 500 Hz 0 75g 5 minute resonant dwell at 4 resonances per axis Model Max Net Max Shipping 16901A 13 6 kg 30 0 Ibs 20 4 kg 45 0 Ibs The weight of modules ordered with mainframes will add 0 9 kg 2 0 Ib per module Store or ship the instrument in environments within the following limits Temperature 40 C to 75 C 40 F to 167 F Humidity up to 90 at 65 C 149 F Altitude up to 3 000 meters 10 000 feet Protect the system from temperature extremes which cause condens
40. icable 16901A Logic Analysis System Service Guide 85 7 86 Replaceable Parts Ref Des MP29 W10 W6 MP18 MP29 A3 MP35 MP27 Table5 Replaceable parts for the frame with serial number MY50370000 or greater Agilent Technologies Part Backward Number 0960 2939 16901 61607 16800 61617 16800 00202 16901 68712 16901 00103 16901 60005 16800 01212 16800 66506 54904 61617 Compatible No Description Motherboard Motherboard Switch Cable Cable CPU power CPU I0 Panel Motherboard Assembly Chassis Chassis Fan Assembly Power supply plate 16901 Module Interface Board MIB high power frame Cable Assembly Display and Inverter 16901A Logic Analysis System Service Guide Agilent 16901A Logic Analysis System Service Guide 8 Theory of Operation Block Level Theory 88 This chapter describes the theory of operation for the 16901A logic analysis system The information in this chapter is to help you understand how the logic analysis system operates This information is not intended for component level repair Apg Agilent Technologies 87 8 Theory of Operation Block Level Theory 600W Power Supply The block level theory includes the theory of operation of the logic analyzer in terms of the major subsystems including e CPU subsystem e PCI board e MIB module interface board e Front panel assembly 175W Power Supply DC Fans
41. ill be presented The logon screen will appear on whichever video adapter LCD or external VGA was displaying the Windows desktop when the system was last shut down It is possible to get a blank screen In this situation you can press and hold the Touch Off button on the front panel to open Intel s configuration utility and switch the Windows desktop from one display adapter to the next At any time either the LCD panel or the external monitor will have the Windows desktop displayed to it It is also possible but not typical for the Windows desktop to be stretched across both the LCD and external monitor The Touch Off front panel button can be pressed and held to open Intel s configuration utility which can force the desktop to use either the LCD or external monitor exclusively By the time Windows has presented the Windows logon screen two critical pieces of Agilent specific software should already be running e Logic analyzer device drivers e Logic analyzer service The remaining critical piece of Agilent software the GUI application itself does not run until a user has logged onto the machine and started the application by clicking on the shortcut on the Windows desktop and or the Windows start menu The GUI application may auto run when a user logs onto the machine 16901A Logic Analysis System Service Guide 97 98 Theory of Operation The logic analyzer device drivers communicate directly with all of the hardware
42. know more about the recovery process Self Test The logic analyzer does very little self test unless it is explicitly run by the user As previously mentioned the system BIOS does some hardware self test before turning control over to the operating system Once a user logs into the system and runs the logic analyzer GUI application software self tests can be run by clicking on the Help menu within the application and then selecting Self Test All self tests are consolidated into a single self test dialog The self test dialog contains a pane which allows the user to select the test suite and a pane which allows the user to select a specific test within that suite or all of the tests The tests can be run once or repetitively Each card will have its own suite of tests The frame hardware itself has a suite called System At the bottom of the self test dialog is a results pane The reporting level how verbose the tests are can be controlled using a slider bar at the top of the dialog At the very least each test should report that it is running and what the final status of each test was pass or fail Increasing the reporting level and re running certain tests may help isolate a specific hardware failure in the event that a test fails 16901A Logic Analysis System Service Guide 101 8 Theory of Operation 102 16901A Logic Analysis System Service Guide Index A accessories 3 accuracy 24 adjustments 24 Agil
43. l assembly 57 To remove and replace the backlight inverter board 59 To remove and replace the touch screen controller board 61 To remove and replace the front panel bracket assembly 62 To remove and replace the USB cables 63 To remove and replace the display assembly 64 To remove and replace the keypad and keypad board 66 To replace the hard disk drive 68 To remove and replace the tray assembly 69 To remove and replace the fans 70 To remove and replace the line filter assembly 72 To replace the module interface board 73 Returning Assemblies 74 pe Agilent Technologies 43 6 Replacing Assemblies 16901A Logic Analysis System Disassembly Assembly This chapter contains the instructions for removing and replacing the assemblies of the logic analyzer Also in this chapter are instructions for returning assemblies Hazardous voltages exist on the power supply To avoid electrical shock disconnect power from the instrument before performing the following procedures After disconnecting the power wait at least six minutes for the capacitors on the power supply board to discharge before servicing the instrument CAUTION Damage can occur to electronic components if you remove or replace assemblies when the instrument is on or when the power cable is connected Never attempt to remove or install any assembly with the instrument on or with the power cable connected Replacement Strategy CAUTION Some procedures in thi
44. n partition on the hard drive to restore the hard disk drive back to its original state in which it was shipped When you run this process the recovered hard disk drive contains e the Windows 7 operating system 16901A Logic Analysis System Service Guide 37 5 Troubleshooting e the version of the Logic Analyzer software which was installed when the system was originally shipped and not the latest or upgraded version of the software that might be available at the time of system recovery e the license files of any licensed optional products that you had purchased with the Logic Analyzer and that were installed when the system was originally shipped When you run the recovery process the software licensing Host ID of your logic analyzer may change If this happens the restored license files will not work with the new host ID and you will need rehosted license files To get these files you can contact your nearest Agilent sales service office To locate a sales or service office go to www agilent com find contactus CAUTION Running the recovery process reformats your logic analysis system s hard disk drive to the state in which it was originally shipped to you All user data files and programs are overwritten when the recovery process runs Therefore save your data to a CD or to another machine before you start recovering the system software To run the recovery process 1 Shut down and then restart your Logic Analysis system
45. nected from the module interface board 16901A Logic Analysis System Service Guide 73 6 Replacing Assemblies Returning Assemblies 74 CAUTION Before shipping the logic analyzer or assemblies to Agilent Technologies contact your nearest Agilent Technologies Sales Office for additional details To locate the sales or service office near you go to www agilent com find contactus 1 Write the following information on a tag and attach it to the part to be returned Name and address of owner Model number Serial number Description of service required or failure indications 2 Remove accessories from the logic analyzer Only return accessories to Agilent Technologies if they are associated with the failure symptoms 3 Package the logic analyzer or assemblies You can use either the original shipping containers or order materials from an Agilent sales office For protection against electrostatic discharge package the logic analyzer in electrostatic material 4 Seal the shipping container securely and mark it FRAGILE 16901A Logic Analysis System Service Guide Agilent 16901A Logic Analysis System Service Guide 7 Replaceable Parts Ordering Replaceable Parts 76 Power Cables and Plug Configurations 77 Replaceable Parts List 79 This chapter contains information for identifying and ordering replaceable parts for your 16901A logic analysis system Apg Agilent Technologies 75 7 Replaceable Pa
46. ng flowcharts Flowcharts are the primary tool used to isolate defective assemblies The flowcharts refer to other tests to help isolate the trouble The circled references on the charts indicate connections with the other flowcharts or other parts within the same flowchart A circled alpha references connections within the flowchart Start your troubleshooting at the top of the first flowchart Figure 1 on page 27 26 16901A Logic Analysis System Service Guide G Start Attach keyboard mouse and power cord Remove all user installed PCI cards see To remove amp replace optional interface cards in chapter 7 Apply power Figure 1 16901A Logic Analysis System Service Guide Are the fans turning amp power on Is the display screen readable the instrument finish booting to windows Does the logic analyzer application start Run the module self tests 16901A Troubleshooting Flowchart Troubleshooting Do the self tests pass No Go to module troubleshooting Is the problem still present Yes Call Agilent support 5 Troubleshooting Remove power plug for 15 seconds to reset power supplies Apply power y Are the fans turning amp power on Let it cool and check No for fan Is the instrument at room failure gt Th
47. nstrument model number country of destination In Table 2 the plug orientation number is the industry identifier for the plug only These cords are included in the CSA certification approval of the equipment Table 2 Power Cables and Plug Configurations Plug Type male connector Option 900 250V Option 901 250V Option 902 250V Option 903 125V Option 906 250V Agilent Part No 8120 1703 8120 0696 8120 1692 8120 1521 8120 2296 Plug Orientation female connector IEC 320 1 C13 90 IEC 320 1 C13 90 IEC 320 1 C13 90 IEC 320 1 C13 90 IEC 320 1 C13 90 Cable Length 2 3 meters 2 2 meters 2 0 meters 2 2 meters 2 0 meters Cable Color Mint Gray Gray Mint Gray Jade Gray Gray Country United Kingdom Cyprus Nigeria Zimbabwe Singapore Malaysia Australia New Zealand East and West Europe Saudi Arabia unpolarized in many nations United States Canada Mexico Philippines Taiwan Switzerland 16901A Logic Analysis System Service Guide 71 7 Replaceable Parts Table 2 Power Cables and Plug Configurations continued Agilent Plug Orientation Cable Cable Plug Type male connector Part No female connector Length Color Country Option 912 8120 2957 IEC 320 1 C13 90 2 0 meters Gray Denmark 250V Option 917 8120 4600 IEC 320 1 C13 90 2 0 meters Mint Republic of South Gr
48. o its original state in which it was shipped 3 to view a document that provides information on the recovery process 4 to repair the Logic Analysis system hard disk drive 5 to exit the recovery process and restart the Logic Analysis system in the normal mode 16901A Logic Analysis System Service Guide 39 5 40 Troubleshooting Do you wish to continue the restore process Select the second option in the above screen by entering 2 in the text box and clicking OK A warning message is displayed stating that the recovery process overwrites the data on C drive If you want to save your data to a CD or to another machine before you proceed further then exit the recovery process and save your data Else click OK to proceed with the recovery process ost bee se g CECE SRE the C partition Hit er partitions will not be affected Hi HHI _ Press the Enter key for OK and prtrladetaand taldpoages vitit The recovery process starts If the recovery process is able to restore the system software successfully then the following screen is displayed 16901A Logic Analysis System Service Guide Troubleshooting 5 5 Click OK to proceed You Logic Analysis system now reboots to Windows 7 6 The Windows Boot Manager screen is displayed with Microsoft Windows 7 as the default selection The system automatically starts with this default selection Alternatively you can press Enter to proceed with the d
49. ockIN This BNC input is specifically for a 10 MHz clock signal from an oscilloscope or other source The signal is AC coupled and passed through a 10X multiplier part low jitter and then fed to the FPGA as one of the 100 MHz clock source choices Using this input allows two measurement instruments to run on the same time base and maintain correct time alignment over long aquisitions PLD The PLD is the low level system control element powered from the AUX 5 V rail and continuously ON It logically controls the soft power ON OFF through signal lines to the CPU and power switch monitoring It physically turns power ON OFF via power on off signals on the power supply sense cables In addition to the power switch starting a power down sequence two additional monitoring circuits overtemp and voltage rail may cause the PLD to initiate power down Both of these conditions are latched faults and require removing the power cord for 15 seconds to clear the condition 16901A Logic Analysis System Service Guide Theory of Operation 8 Voltage Rail Monitor All six voltage rails are continuously monitored for an under voltage fault condition This could be caused by such things as a failed power supply or a short circuit within the instrument When detected both power supplies are immediately shut down At power up there is a one second time delay to allow the power to stabalize before the monitoring circuit is enabled Overtemp Monitor A tem
50. perature monitoring circuit protects the instrument from thermal damage due to things such as failed fans or blocked frame vents The circuit first notifies the CPU of a problem which then prompts the user with a warning message and initiates a soft power down If the soft power down fails a forced power down is initiated after about two minutes Fan Control The instrument uses a pair of 24 V fans driven from a DC DC boost converter circuit This circuit creates a linear voltage ramp from 12 V to 24 V across the operating temperature range The purpose of this circuit is to increase air flow as needed while maintaining the lowest possible fan noise Front Panel Assembly The front panel assembly is composed of two PC boards comprising three independently operating sub systems The two PC boards are the front panel interface board and the keypad board The three front panel sub systems are e Front panel keypad board e Front panel interface board e Front panel touch screen Front Panel Keypad Board The front panel switches consist of five buttons and one digital encoder the knob When a button is pressed and released or the knob turned a series of codes are sent back to the module FPGA When the module FPGA receives a front panel code an interrupt is sent to the system CPU The resulting ISR will read the code and act on it The module FPGA was used as a convenient place to put this logic This logic operates independently of
51. r some reason you lose a license file you can obtain new licenses from Agilent given the licensing host ID To obtain the licensing host ID From the Agilent Logic Analyzer application s main menu choose Help gt Software Licensing The Licensing Host ID is displayed in the Software Licensing dialog s Activation tab 16901A Logic Analysis System Service Guide 45 6 Replacing Assemblies To prepare the instrument for disassembly 46 Do this procedure before doing any disassembly procedure on the instrument 1 Close the Agilent Logic Analyzer application 2 Power off the system using one of the methods explained below 3 Remove the power cord 4 Move the instrument to a static safe work environment Hazardous voltages exist on the power supply To avoid electrical shock disconnect power from the instrument before performing the following procedures After disconnecting the power wait at least six minutes for the capacitors on the power supply board to discharge before servicing the instrument CAUTION Damage can occur to electronic components if you remove or replace assemblies when the instrument is on or when the power cable is connected Never attempt to remove or install any assembly with the instrument on or with the power cable connected To power off the system There are several ways to power off the logic analyzer When powering off the logic analyzer wait until the fans stop turning abou
52. rrors are reported in the boot dialogue Serious errors will interrupt the boot process The power up tests are designed to complement the instrument on line Self Tests Tests that are performed during powerup are not repeated in the Self Tests A keyboard and mouse must be connected to the mainframe to observe the results of the power up tests 1 Exit all logic analysis sessions 2 Press the power switch for about 1 second and release wait for the unit to power off 3 After a few seconds turn the power switch back on Observe the boot dialogue for the following Ensure all of the installed memory is recognized Any error messages Interrupt of the boot process with or without error message A complete transcript of the boot dialogue is in chapter 8 Theory of Operation 4 During initialization check for any failures If an error or an interrupt occurs refer to Chapter 5 Troubleshooting 16901A Logic Analysis System Service Guide 21 3 Testing Performance 22 16901A Logic Analysis System Service Guide Agilent 16901A Logic Analysis System Service Guide 4 Calibrating and Adjusting Calibration Strategy 24 Calibrations and Adjustments for Modules 24 Apg Agilent Technologies 23 4 Calibrating and Adjusting Calibration Strategy The 16901A logic analysis system does not require operational accuracy calibration Calibrations and Adjustments for Modules The individual modules that plug into the
53. rs input output which cable frames together in a daisy chain configuration It logically allows two or more frames to appear and operate 16901A Logic Analysis System Service Guide 93 94 Theory of Operation as one large frame A LAN connection between frames is used in addition to the multiframe cable for fast data transfer The bus is physically 18 LVDS differential pairs plus ground The signals are 100 MHz clock SYNC START eight flags RUN UARTS receive and transmit and cable on detection They route from FPGA to FPGA across frames with no other hardware other than termination resistors The UARTS allow frames to communicate at a low level to identify themselves and pass IP addressing information The cable on detection lets the system know when a frame has been added or removed via power up down or cable changes Together these functions allow a multiframe setup to completely self configure itself and appear as one integrated measurement system Trigger IN OUT These two BNCs function as an external trigger out and arm in signaling between frames or other test equipment The TRIGGER OUT is a simple 3 state LVTTL 50 Q line drive circuit TRIGGER IN ARM is complicated by the need to handle variable threshold levels The circuit consists of a programmable 12 bit DAC and comparator This combined with a level shift and divide circuit allows for a 5 V input range 200 mV minimum swing and 50 mV threshold steps Cl
54. rts Ordering Replaceable Parts 76 To order a part visit us on the web at www parts agilent com or call us in the United States at 1 877 447 7278 Or you can contact your nearest Agilent Technologies Sales Office for assistance To locate a sales office near you go to www agilent com find contactus Exchange Assemblies Some assemblies are part of an exchange program with Agilent Technologies The exchange program allows you to exchange a faulty assembly with one that has been repaired and performance verified by Agilent Technologies After you receive the exchange assembly return the defective assembly to Agilent Technologies A United States customer has 30 days to return the defective assembly If you do not return the defective assembly within the 30 days Agilent Technologies will charge you an additional amount This amount is the difference in price between a new assembly and that of the exchange assembly For orders not originating in the United States contact your nearest Agilent Technologies Sales Office for information To locate a sales office near you go to www agilent com find contactus For more information on returning assemblies go to Returning Assemblies on page 74 16901A Logic Analysis System Service Guide Power Cables and Plug Configurations Replaceable Parts 7 This instrument is equipped with a three wire power cable The type of power cable plug shipped with the instrument depends on the i
55. rument Chapter 5 Troubleshooting contains self tests and flowcharts for troubleshooting the instrument Chapter 6 Replacing Assemblies tells how to replace the instrument and assemblies of the instrument and how to return them to Agilent Technologies Chapter 7 Replaceable Parts lists replaceable parts shows exploded views and gives ordering information Chapter 8 Theory of Operation explains how the instrument works and what the self tests are checking Revision History Table 1 Revision History Revision Reason 16901 97002 November 2011 Changes in replaceable part numbers and the this version recovery procedure for the 16901A logic analysis systems that are shipped with Windows 7 installation serial numbers MY50370000 or greater 16901 97001 June 2007 Corrected module interface board MIB part number 16901 97000 November 2006 First edition 16901A Logic Analysis System Service Guide 5 16901A Logic Analysis System Service Guide Contents The Agilent 16901A Logic Analysis System At a Glance In this Service Guide 5 1 General Information Electrical and Operating Environment Characteristics 12 Dimensions 14 2 Preparing for Use To inspect the logic analysis system 16 To apply power 16 To connect multiple frames 17 To install measurement modules 17 To clean the instrument 17 3 Testing Performance Self Tests 20 Test Interval 20 To perform the power up tests
56. s section tell you to remove other assemblies of the instrument but do not give complete instructions In these cases refer to the procedure for that specific assembly for the instructions The drawings here are representative Your parts may look different Electrostatic discharge can damage electronic components Use grounded wrist straps and mats when performing any service to this logic analyzer Tools Required e T6 T10 T15 T25 TORX screwdrivers e 1 Pozi drive screwdriver e 13 16 inch deep well nut driver e 5 mm nut driver e 1 4 inch hollow shaft nut driver 16901A Logic Analysis System Service Guide Replacing Assemblies 6 To save the license file Before doing any major repairs to the instrument it is recommended that you back up any data and license files to a USB flash drive if possible You will need a backup copy if you encounter any problems that require re imaging the hard drive License files contain keys for licensed software features Node locked license files are located in the License folder in the Agilent Logic Analyzer application s install directory For example the default location is C Program Files Agilent Technologies Logic Analyzer License Floating license files are located in the License Files folder in the license server s install directory For example the default location is C Program Files Agilent Technologies License Server License Files If fo
57. s when power is first applied to the system e Hardware monitoring e Control over the Touch Off front panel button The logic analyzer service must be started and fully initialized before the application software will be allowed to run The logic analyzer drivers are not required for the application software to run however the software will not be able to go online with the local hardware until the drivers are installed running In addition other machines will not be able to remote connect to the machine and use its hardware if the drivers are not installed and running 16901A Logic Analysis System Service Guide Theory of Operation 8 Because the service should always be running regardless of whether any user is logged onto the system the logic analyzer should always be responsive to remote connection requests from other machines The Touch Off button should also always function When the GUI application is launched by a logged on user the application by default will attempt to connect to local hardware and go online If the service is not started the application should either wait for the service to start newer software revisions or generate a message box indicating the service needs to be started older software revisions If the drivers are not loaded the GUI application will start in offline mode Once the GUI application is running the user can go online with local hardware or the hardware in any other Agilen
58. securing the front panel plate to the front panel T 10 screws 7 16901011 16901A Logic Analysis System Service Guide 59 60 Replacing Assemblies 3 Disconnect the backlight cables from the inverter board 4 Using a Torx T6 screwdriver remove the 2 screws securing the board to the front panel 5 Remove the board 6 Reverse this procedure to install the backlight inverter board Backlight inverter board T 6 screws 2 backlight cables 16901617 16901A Logic Analysis System Service Guide Replacing Assemblies 6 To remove and replace the touch screen controller board 1 Perform previous procedures To prepare the instrument for disassembly on page 46 To remove and replace the cover on page 50 To remove and replace the front panel assembly on page 57 2 Disconnect the touch screen cable from the touch screen controller board 3 Using a Torx T10 screwdriver remove the 2 screws securing the board to the front panel board 4 Reverse this procedure to install the touch screen controller board Touch ae screen controller board Touch screen cable 1680079 16901A Logic Analysis System Service Guide 61 6 Replacing Assemblies To remove and replace the front panel bracket assembly 1 Perform previous procedures To prepare the instrument for disas
59. sembly on page 46 To remove and replace the cover on page 50 To remove and replace the front panel assembly on page 57 2 Using a Torx T10 screwdriver remove the 2 screws securing the touch screen controller board to the front panel bracket assembly 3 Using a Torx T10 screwdriver remove the 6 screws securing the front panel bracket assembly to the front panel 4 Remove the bracket assembly Front panel bracket assembly Touch screen controller board Front panel screws 8 16901e11 5 Reverse this procedure to replace the front panel bracket assembly 62 16901A Logic Analysis System Service Guide Replacing Assemblies To remove and replace the USB cables 1 Perform previous procedures To prepare the instrument for disassembly on page 46 To remove and replace the cover on page 50 To remove and replace the front panel assembly on page 57 To remove and replace the front panel bracket assembly on page 62 2 Using a Torx T10 screwdriver remove the 4 screws securing the USB cables to the front panel bracket assembly USB cables sp AN PPL T 10 we Front panel bracket 3 Reverse this procedure to replace the USB cables 16901A Logic Analysis System Service Guide 63 6 Replacing Assemblies To remove and replace the display assembly 1 Perform previous procedures
60. sis System Service Guide line switch removal 72 M measurement modules 17 MIB 73 92 module calibration 24 module interface board 92 module interface board removal 73 modules measurement 17 motherboard removal 55 multiple frames 17 0 operating characteristics 12 system 37 theory 87 operational accuracy 24 P parts replacement 76 PCI board 92 PCI card removal 54 power requirements 12 power cable removal 72 power supply removal 51 power supply voltages 32 power off 46 power on 16 procedure assembly 44 R recovery 37 recovery process 37 reinstall operating system 37 103 Index removing v backlight inverter board 59 cover 50 vibration 12 display 64 voltages power supply 32 display card 54 fans 70 wW front panel 57 front panel bracket assembly 62 hard disk drive 68 keypad and board 66 line switch 72 module interface board 73 motherboard 55 PCI card 54 power cable 72 power supplies 51 touch screen 64 touch screen controller board 61 tray assembly 69 USB cables 63 replaceable parts 76 replacement strategy 44 returning assemblies 74 S sales office 4 saving license file 45 self tests 35 service contacting Agilent 41 service office 4 shipping damage 16 shipping requirements 12 shut down 46 specifications see characteristics 12 storage requirements 12 System recovery on Windows 7 installation 37 System recovery on Windows
61. ssembly on page 46 2 Using a 1 4 inch hex socket loosen the thumb screws on the modules or filler panels 3 Rotate the ejector levers from the locked position to the open position 4 Ensure all ejectors are fully open and out of the way 5 Remove filler panels or slide the modules out of the logic analysis system frame Thumb screw Open position 190010 A single module configuration can be installed in any available slot 16901A Logic Analysis System Service Guide Replacing Assemblies 6 Insertion Order Pi Pa Removal Order 2 1 6 When inserting seat the modules then rotate the ejector tabs to the lock position Repeat for all modules or filler panels 7 Tighten the thumb screws until finger tight in the same order used in step 5 above If using a hex socket or torque driver avoid over tightening 2 in lb maximum 8 For correct air circulation install filler panels in all unused card slots Correct air circulation keeps the instrument from overheating Keep any extra filler panels for future use 16901A Logic Analysis System Service Guide 49 6 Replacing Assemblies To remove and replace the cover 1 Perform previous procedures To prepare the instrument for disassembly on page 46 2 Using a Torx T20 screwdriver remove the handle assembly 3 Using a Torx T10 screwdriver remove 6 screws that secure the cover to the chassis Optional Removing the shroud may make it easier
62. t 168x 169x 168xx 1690x logic analyzer running the same version of the logic analyzer software The remote machine must be available on the network Product install The product install SetupLAxxxx exe performs the following e Install the logic analyzer specific files to the local hard drive e Register the application with the operating system various registry settings are applied including COM registration e Create start menu desktop shortcuts e Install device drivers e Install and start the service e Check frame boot EEPROMs non volatile ROMs and verify they are up to date Reloads the boot EEPROMs if necessary 16901A Logic Analysis System Service Guide 99 100 Theory of Operation Software recovery methods 1 Logic analyzer product re installation Re installing the logic analyzer product requires running the setup executable file typically named SetupLAxxxx exe For example the 03 50 software release file will be called SetupLA0350 exe During the installation of the product older versions are automatically removed and replaced with the newer version However if you need to install an older version of the software over a newer version you must first uninstall the newer version To uninstall the software go to Windows Start gt Control Panel gt Add or Remove Programs Select the logic analyzer software from the list of installed programs and select uninstall This recovery mechanism is used
63. t 15 seconds before turning the logic analyzer back on This ensures that internal circuitry restarts in a known state Using the Windows Shutdown On the logic analyzer desktop click Start gt Shut Down or if you are running remote desktop click Start gt Settings gt Windows Security gt Shut Down This software power off does the following e Closes all programs that are running e Writes all data to the disk e Turns off the power supply 16901A Logic Analysis System Service Guide Replacing Assemblies 6 e If the system is unplugged while it is off and then plugged back in the system will not power on until the power button is pressed Using a Short Press of the Power Button Pressing the power button on a frame for a short time less than 2 seconds or so e Closes all programs that are running e Writes all data to the disk e Turns off the power supply If the power button is depressed for a short time less than 2 seconds or so while another instrument has an open Remote Desktop connection to this instrument a message on the logic analyzer screen not on the remote desktop will pop up asking if you really want to power down Clicking the yes button results in the above events Clicking no will prevent the shutdown and not answering the dialog box neither clicking Yes or No will have no effect Further short presses on the power button will have no effect Using a Long Press of the Power Button Pressing th
64. tarted Again the PLD will force a power down if the CPU does not soft power down in about two minutes The PCI Board plugs into a CPU motherboard PCI slot providing the interface between the CPU motherboard and the logic analyzer On the PCI board is a PCI bridge chip used to provide an electrical interface between the CPU PCI slot bus and the two PCI devices located on the Module Interface Board A TI2050A PCI bridge chip is used to connect to the primary PCI bus on the CPU motherboard connector and provides a secondary PCI bus which is connected via an 80 pin high density cable from this PCI board to the Module Interface Board MIB Module Interface Board Top level function The MIB contains all of the logic analyzer frame specific hardware This includes all circuits necessary to interface with measurement modules interface with the front panel knob and keys monitor frame functions and interface to the 16901A Logic Analysis System Service Guide Theory of Operation 8 CPU motherboard via the PCI board It also performs power distribution and numerous interconnects The MIB has two module bus FPGAs Module Bus FPGA s The Xilinx XC3S500E FPGA is the primary bridge between the CPU and the measurement modules It effectively performs a translation from PCI slot to the proprietary module interface bus In the 2 slot high power frame a second module FPGA Xilinx XC2VP20 performs the translation from PCI slot to a second
65. tem Service Guide 89 90 Theory of Operation Overtemp Monitor Voltage Rail Monitor PLD l Power Switch Connector Power Sense Connector CPU Power Switch Connector Fan Control CPU Power To Power Planes lt ___ Connector Fan Connectors Power To Power Planes lt _____ j Connectors 3 Front Panel Module Module FPGA s gt switches Connector s 1 or 2 PCI Board Connector PCI Bus 1 0 FPGA Rear Panel _ gt Signals 16901A Logic Analysis System Service Guide Theory of Operation 8 Front Panel Assembly The front panel assembly block diagram shown here includes e LCD display e Touch screen board and grid e Keypad board For more information on the front panel assembly to to page 95 Flat Panel TEREN _ LCD Display Inverter Board Motherboard Front Panel PCI Express x16 lt ___ gt Connector Board Motherboard Touch Screen Touch Screen USB Connector t Board Option 103 Grid Option 103 MIB Board Keypad Connector t gt Board CPU Subsystem CPU Board The CPU motherboard is a standard microATX configuration with 1 GB of system RAM The exact CPU and speed grade will vary over the life of the product Standard I Os built into the ATX board are PS 2
66. the module backplane logic also within the module FPGA 16901A Logic Analysis System Service Guide 95 96 Theory of Operation Front Panel Interface Board The front panel interface board plugs into the CPU motherboard s PCI Express x16 slot and provides a connection point for flat panel display communication The connectors J2 and J3 are connected to a Mitsubishi 15 XGA AAI50XNO1 TFT LCD 1024x768 display e Connector J2 provides the data path back to an Adlink video adapter e Connector J3 is used to provide the high voltage needed to light the display backlight This high voltage is generated using a power inverter board which is mounted on the front panel interface board This power inverter board is a TDK CXA 0384 DC AC Inverter Unit Front Panel Touch Screen Attached to the front panel assembly is a Touch Screen Control module used to implement the touch screen The touch screen controller board is a 3M SC801U Mounted in front of the flat panel display is a touch screen grid connected directly to the touch screen controller The controller interprets touch presses and communicates with the host CPU via USB Power Up Routine The power up routing includes the following e Boot sequence more on page 96 e Product install more on page 99 e Software recovery methods more on page 100 e Self test more on page 101 Boot Sequence The 16901A Series logic analysis systems having the serial number prior
67. time correlated measurements with more logic analysis channels than can be installed into a single logic analysis system frame you can connect multiple 16900A 16901A and 16902A frames together Refer to the Installation Guide that came with your instrument for Multiframe Pro configurations To get the most up to date installation guide e Go to www agilent com e Search for 16901A Logic Analysis System e Look under Technical Support and then Manuals and Guides To install measurement modules For general information on installing a measurement module into the mainframe refer to the Installation Guide that came with your instrument To get the most up to date installation guide e Go to www agilent com e Search for 16901A Logic Analysis System e Look under Technical Support and then Manuals and Guides To clean the instrument If the instrument requires cleaning 1 Remove power from the instrument 2 Clean the external surfaces of the instrument with a soft cloth dampened with a mixture of mild detergent and water 3 Make sure that the instrument is completely dry before reconnecting it to a power source 16901A Logic Analysis System Service Guide 17 2 Preparing for Use 18 16901A Logic Analysis System Service Guide Agilent 16901A Logic Analysis System Service Guide 3 Testing Performance Self Tests 20 Test Interval 20 To perform the power up tests 21 To ensure the logic analysis system is operating corr
68. to fix problems with the logic analyzer software including application crash problems or problems with hardware recognition Full hard drive system level recovery This recovery mechanism is used to fix system level problems including damage done by viruses or previously installed software problems with operating system bugchecks blue screen etc On a Legacy 16901A Series Logic Analyzer with Windows XP Installation This is done by placing the appropriate recovery CD into an external USB DVD ROM drive and rebooting the analyzer When the system begins booting after shutting down the recovery sequence will begin After addressing the introduction screens the recovery CD will erase all data on the hard drive and image the disk back to the state it was in when the customer received it After a full hard drive recovery the logic analyzer software may or may not already be installed depending on the version of the recovery CD used On a 16901A Series Logic Analyzer with Windows 7 Installation These systems do not have any recovery CD or DVD in their shipment To perform a system level recovery you run the recovery process on the hard drive of the system This recovery process uses the hidden partition on the hard drive to restore the hard disk drive back to its 16901A Logic Analysis System Service Guide Theory of Operation 8 original state in which it was shipped Refer to To restore the system software on page 37 to
69. to remove the cursor knob from the front of the frame 3 Using a Torx T10 screwdriver remove the 3 screws securing the keypad board to the front frame 4 Remove the keypad board and keypad from the frame CAUTION Wear ESD finger cots or use care not to touch the black pads on keypad and on the keypad board Finger oils can impair contact If necessary carefully clean the contacts using alcohol and lint free swabs or wipes Cursor Front Sa knob frame eo Keypad board ey Pi Keypad D T 10 screws 1 3 A h Alignment holes and pins 16B00P71 66 16901A Logic Analysis System Service Guide Replacing Assemblies 6 5 Reverse this procedure to install the keypad and keypad board Note the alignment pins on the frame and the holes in the board 16901A Logic Analysis System Service Guide 67 6 Replacing Assemblies To replace the hard disk drive In case of a hard disk failure you send your 16901 Logic Analysis unit to Agilent for repair replacement of the failed defective hard disk See Returning Assemblies on page 74 to know more about how to return the unit to Agilent for repair If you have a 16901 series Logic Analysis system with Windows XP installation For a 16901 series logic analysis system with Windows XP installation the replaced hard disk part number 0950 5301 does not have the operating system or the Logic Analyzer software pre installed Therefore once
70. you get back your logic analyzer with the replaced hard disk you need to e first restore your system software see To restore the system software on page 37 e then install the Logic Analyzer software from www agilent com find la sw download If you have a 16901 series Logic Analysis system with Windows 7 installation 68 For a 16901 series logic analysis system with Windows 7 installation the replaced hard disk part number 16901 68702 will come preformatted and preimaged with Windows 7 operating system and Logic Analyzer software Therefore once you get back your logic analysis system with the replaced hard disk you need not perform any steps to restore your system software You can download and install the latest Logic Analyzer software from www agilent com find la sw download 16901A Logic Analysis System Service Guide Replacing Assemblies 6 To remove and replace the tray assembly 1 Perform previous procedures To prepare the instrument for disassembly on page 46 To remove and replace the cover on page 50 To remove and replace the front panel assembly on page 57 2 Using a Torx T10 screwdriver remove the 2 side screws securing the tray assembly to the chassis 3 Slide the tray assembly out far enough to disconnect the hard drive and power supply cables Use the release tab s to help disconnect the power supply cables 4 Slide the tray out of the chassis T 10 ge
71. ypad and keypad board 66 To replace the hard disk drive 68 If you have a 16901 series Logic Analysis system with Windows XP installation 68 If you have a 16901 series Logic Analysis system with Windows 7 installation 68 To remove and replace the tray assembly 69 To remove and replace the fans 70 60mmfan 70 92mmfans 71 To remove and replace the line filter assembly 72 8 16901A Logic Analysis System Service Guide Contents To replace the module interface board 73 Returning Assemblies 74 7 Replaceable Parts Ordering Replaceable Parts 76 Exchange Assemblies 76 Power Cables and Plug Configurations 77 Replaceable Parts List 79 Cover and Front Panel Assemblies 80 16901A Frame 83 8 Theory of Operation Block Level Theory 88 CPU Subsystem 91 PCI board 92 MIB Module Interface Board 92 Front Panel Assembly 95 Power Up Routine 96 Index 16901A Logic Analysis System Service Guide Contents 10 16901A Logic Analysis System Service Guide Agilent 16901A Logic Analysis System Service Guide 1 General Information Electrical and Operating Environment Characteristics 12 Dimensions 14 This chapter contains information on electrical and operating environment characteristics and dimensions See the logic analysis system s online help for a full listing of all specifications and characteristics Bg oe Agilent Technologies 1 General Information Electrical and Operating Environment Characteristics T

Agilent 16901A Logic Analysis System Service Guide

Contents

Download Pdf Manuals

Related Search

Related Contents