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Table of Contents

Overview.................................................................................................................................................................................. 7

About This Manual ............................................................................................................................................................... 7

Related Documents ........................................................................................................................................................... 8

Revisions and Updates.......................................................................................................................................................... 8

Manual .............................................................................................................................................................................. 8
Firmware........................................................................................................................................................................... 8

Safety Considerations ........................................................................................................................................................... 8
Electrostatic Discharge ......................................................................................................................................................... 9
Service Tools and Equipment ............................................................................................................................................... 9

Verification............................................................................................................................................................................ 11

Preliminary Checkout ......................................................................................................................................................... 11
POWER-ON Checkout ....................................................................................................................................................... 12

Selftest Sequence ............................................................................................................................................................ 12
In Case of Trouble .......................................................................................................................................................... 12

Output Checkout ................................................................................................................................................................. 14

In Case of Trouble .......................................................................................................................................................... 14

Problem Not Identified ....................................................................................................................................................... 14

Disassembly ........................................................................................................................................................................... 15

Disassembly Procedures ..................................................................................................................................................... 15

Removing the Modules and Module Connectors ............................................................................................................ 15
Removing the Cover ....................................................................................................................................................... 15
Removing the Front Frame ............................................................................................................................................. 15
Removing the Front Bezels and Keyboard Plug ............................................................................................................. 16
Removing the Rear Subchassis ....................................................................................................................................... 16
Removing the Pc Boards................................................................................................................................................. 16

Reassembly Procedures ...................................................................................................................................................... 17

Installing the Pc Boards .................................................................................................................................................. 17
Assembling the Rear Subchassis..................................................................................................................................... 18
Assembling the Keyboard Plug and Front Bezels........................................................................................................... 18
Assembling the Front Frame ........................................................................................................................................... 18
Assembling the Cover ..................................................................................................................................................... 19

Troubleshooting .................................................................................................................................................................... 21

Troubleshooting Sequence.................................................................................................................................................. 21
Accessing the Flowcharts.................................................................................................................................................... 21

If You Experienced a Selftest Failure ............................................................................................................................. 21
If You Experienced Other Problems With the Mainframe.............................................................................................. 22

Troubleshooting Flowcharts ............................................................................................................................................... 22

Replacement Parts ................................................................................................................................................................ 33

Diagrams................................................................................................................................................................................ 39

Test Point and Component Location Diagram.................................................................................................................... 39
Main Board Schematics ...................................................................................................................................................... 39

Sheet 1 Circuit Functions................................................................................................................................................ 39

Содержание 66000A

Страница 1: ...GUIDE for Agilent 66000A MPS Mainframe Serial Numbers Agilent Model 66000A 3522A01561 thru 03295 US35220101 and up Agilent Part No 66000 90003 Printed in USA Microfiche Part No 66000 90004 Update Jun...

Страница 2: ...d to Customer from another country Agilent Technologies shall pay for return of products to Customer Warranty services outside the country of initial purchase are included in Agilent Technologies prod...

Страница 3: ...ric shock hazard Operation at line voltages or frequencies in excess of those stated on the line rating label may cause leakage currents in excess of 5 0 mA peak DO NOT OPERATE IN AN EXPLOSIVE ATMOSPH...

Страница 4: ...mber prefix of your mainframe is higher than those listed on the title page of this guide then it may or may not include a change sheet That is because even though the higher serial prefix indicates a...

Страница 5: ...Cover 15 Removing the Front Frame 15 Removing the Front Bezels and Keyboard Plug 16 Removing the Rear Subchassis 16 Removing the Pc Boards 16 Reassembly Procedures 17 Installing the Pc Boards 17 Assem...

Страница 6: ...6 Sheet 2 Circuit Functions 39 Sheet 3 Circuit Functions 40 Backplane Board Schematic 40 Exploded View Diagram 40 Schematic Notes 41 Manual Backdating 49 Index 51...

Страница 7: ...hat are used to help isolate a fault It includes the selftest sequence that runs automatically at power on and verifies the integrity of the microprocessor the GPIB and serial interfaces and the memor...

Страница 8: ...ve digits e g 00101 are a unique serial number assigned to each instrument If a significant design change is made the prefix changes but the last five numbers continue in sequence This manual applies...

Страница 9: ...removing or installing printed circuit boards Service Tools and Equipment The following tools are required to repair the Agilent 66000A MPS Mainframe T15 and T25 TORX drivers 10mm and 7mm HEX NUT dri...

Страница 10: ...t 661xxA Series V T DMM Agilent 34401A or equivalent T Logic Probe Agilent 545A or equivalent T Oscilloscope Bandwidth 100 MHz Agilent 54504A or equivalent T MPS Keyboard2 Agilent 66001A V Isolation t...

Страница 11: ...re located on the bottom of the modules Note At least one module is required to verify the operation of the mainframe b Remove the fuse and verify that the fuse is as specified on the label c Install...

Страница 12: ...y displays the message 6 The keyboard then displays the state of the addressed module Note The information displayed on the keyboard assumes At least one power module is installed Factory default stat...

Страница 13: ...Internal RAM Test Primary Microprocessor U44 defective ROM Microprocessor Troubleshooting Keyboard displays Self test Failed External RAM Test RAM U52 defective ROM Microprocessor Troubleshooting Key...

Страница 14: ...ld now be in meter mode indicating the voltage and status of the dc power module Disable the output prior to connecting a load Press In Case of Trouble If the keyboard and module displays do not read...

Страница 15: ...c line voltages are present on the Main board and backplane connectors Most of the attaching hardware is metric Use of other types of fasteners will damage threaded inserts Removing the Modules and Mo...

Страница 16: ...bezels have been removed simply grasp the top MP10 or bottom bezel MP11 at either end and pull the bezels away from the frame The bezels will snap out of the front frame 5 Use the T15 driver to remov...

Страница 17: ...P4 9 Carefully lift up the pc board and remove it from the subchassis Reassembly Procedures Most of the attaching hardware is metric Use of other types of fasteners will damage threaded inserts Instal...

Страница 18: ...plug A3 in the second and third hole on the bottom right corner of the front frame MP18 when viewed from the front The bottom of the frame is thicker than the top 2 Align the pins on the top and bott...

Страница 19: ...ssis so that it fits into the slot behind the front panel assembly Check that the cover is flush against the rear panel 3 Use the T25 driver and install the four screws that attach the handles and the...

Страница 20: ......

Страница 21: ...nal block at fault 3 Troubleshoot the functional block per flowchart instructions Troubleshooting tests built into firmware are provided to isolate a problem to one of the circuit boards or to a parti...

Страница 22: ...flowchart Figure 3 1 will identify most of the problems in the mainframe The flowcharts of Figure 3 2 and Figure 3 3 will identify problems in the bias circuits and in the microprocessor circuits To a...

Страница 23: ...Troubleshooting 23 Figure 4 1 Overall Troubleshooting Sheet 1 of 7...

Страница 24: ...24 Troubleshooting Figure 4 1 Overall Troubleshooting Sheet 2 of 7...

Страница 25: ...Troubleshooting 25 Figure 4 1 Overall Troubleshooting Sheet 3 of 7...

Страница 26: ...26 Troubleshooting Figure 4 1 Overall Troubleshooting Sheet 4 of 7...

Страница 27: ...Troubleshooting 27 Figure 4 1 Overall Troubleshooting Sheet 5 of 7...

Страница 28: ...28 Troubleshooting Figure 4 1 Overall Troubleshooting Sheet 6 of 7...

Страница 29: ...Troubleshooting 29 Figure 4 1 Overall Troubleshooting Sheet 7 of 7...

Страница 30: ...30 Troubleshooting Figure 4 2 Bias Troubleshooting Sheet 1 of 2...

Страница 31: ...Troubleshooting 31 Figure 4 2 Bias Troubleshooting Sheet 2 of 2...

Страница 32: ...32 Troubleshooting Figure 4 3 ROM Microprocessor Troubleshooting...

Страница 33: ...of the regional sales offices is given at the back of this manual When ordering parts include the following information Agilent Technologies part number Description of the part Quantity desired MPS mo...

Страница 34: ...0 4136 CAPACITOR FXD 10uF 10 20V C89 0160 4807 CAPACITOR FXD 33pF 5 100V C90 92 0160 5422 CAPACITOR FXD 0 047uF 20 50V C96 0160 5422 CAPACITOR FXD 0 047uF 20 50V C98 0160 4807 CAPACITOR FXD 33pF 5 100...

Страница 35: ...T TYPE 100 PIN SPCG 8 CONTACT J114 1251 7330 MODULAR PHONE RECEPTACLE RIGHT ANGLE PC MOUNT J116 117 1250 1842 CONNECTOR RF BNC FEM PC W STANDOFFS 50 OHM J119 1252 1014 CONNECTOR RECT SDL 6 CKT 6 CONTA...

Страница 36: ...152 154 0683 1015 RESISTOR 100 5 25W R157 0698 3155 RESISTOR 4 64K 1 125W R160 164 0698 8812 RESISTOR 1 1 125W R165 0757 0442 RESISTOR 10K 1 125W R166 167 0698 3155 RESISTOR 4 64K 1 125W R168 169 0811...

Страница 37: ...D 2 INPUT U87 1820 3206 IC LATCH CMOS HC ADDRESSABLE POS EDGE TRIG U89 1820 6789 IC INTERFACE TRANSCEIVER U91 1821 4383 IC DUAL UART 68000 COMPATIBLE U97 1820 3176 IC MULTIPLEXER DATA SELECT CMOS HC 8...

Страница 38: ...THD Jl 2 2190 0034 WASHER LOCK HLCL Jl 2 2190 0849 WASHER FLAT MTLC Jl 2 0515 0406 SCREW MACHINE M3 X 0 5 8MM LG Jl TO PC BOARD L2 3 2 0380 0625 STANDOFF ROUND 687 IN LG L4 1 1480 0552 PIN ESCUTCHEON...

Страница 39: ...Main board schematic diagrams The circuit functions of each schematic sheet are given as follows Sheet 1 Circuit Functions Among the circuit components included on Sheet 1 are microprocessor U44 GPIB...

Страница 40: ...J122 5V and 28V bias power is distributed to the module slot locations via J120 U68 generates a power on power is available signal to the module slot locations via J120 Note J120 connects to J10 on th...

Страница 41: ...S0lA5 indicates that the RDY signal continues on schematic sheet 01 at grid coordinates A 5 Coordinates are labeled on the schematic border Signal lines that are terminated by flags continue onto othe...

Страница 42: ...2 5 C56 9 6 1 6 C163 14 8 2 5 L4 1 4 1 3 R130 6 2 2 0 U52 11 2 2 0 C64 11 0 3 0 D26 4 2 1 3 MC1 8 5 3 4 R131 6 3 3 9 U58 9 9 1 3 C65 11 1 1 5 D30 3 6 1 4 Q5 6 4 3 7 R132 6 8 3 9 U64 11 6 3 5 C68 10 9...

Страница 43: ...TP 0 TP 1 TP 2 TP 4 TP 5 TP 8 TP 7 TP 9 TP10 TP11 TP12 TP13 COM TP14 TP 3 TP 6...

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Страница 49: ...835 00836 00945 00946 01255 01256 01560 Changes 1 4 1 3 1 2 1 Change 1 Make the following changes in Table 5 2 Change MP4 from a single subchassis p n 5001 9840 to two subchassis parts MP4 p n 66000 0...

Страница 50: ......

Страница 51: ...Power up Test 25 Backplane Serial Port Test 25 bias voltages 23 30 BPCLR 31 C checkout 11 D data lines 32 DFIB 27 DFI RI Pulse Train Test 27 DFI RI Test Connector 26 disassembly cover 15 front frame 1...

Страница 52: ...oard Display Test 29 Keyboard Echo Test 29 L line voltage 11 M mechanical parts 38 microprocessor 32 MODID 25 O output checkout 13 overall troubleshooting 23 P PCLR 31 power cord 10 11 power module 7...

Страница 53: ...ane board 40 main board 39 selftest 12 Serial Link Test 28 serial number 8 service manual 8 shock hazard 21 39 T TINF 28 tools 9 TP0 23 TP1 23 30 TP2 23 30 31 TP4 23 30 31 TP5 30 31 TP6 32 TP7 32 TP8...

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