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SECTION I

General Information

1-1. Introduction

This service manual explains how to test, adjust,
and service the Hewlett-Packard 16500A/16501A
Logic Analysis System. This manual is divided
into six sections as follows:

I - General Information

II - Installation

III - Performance Tests

IV - Adjustments

V - Replaceable Parts

VI- Service

The General Information Section includes a
description of the HP 16500A/16501A, its
specifications, options, available accessories, and
recommended test equipment for maintaining the
instrument.

Information for operating, programming, and
interfacing with the HP 16500A/16501A is
contained in the Operating and Programming
manual set supplied with each instrument.

Shipped with this manual are service manuals for
each module ordered with the HP
16500A/16501A. To complete the service
documentation for your system, unpack the
module service manuals and place them in the
3-ring binder of this manual.

1-2. Instruments Covered by This

Manual

The instrument serial number is on the rear panel
of the instrument. Hewlett-Packard uses a
two-part serial number consisting of a four-digit
prefix and a five-digit suffix separated by a letter
(for example, 0000A00000). The prefix is the
same for all identical instruments and the suffix is
different for each instrument. Prefix changes are
for parts compatibility and for instrument tracking.
The only time the manual will be updated to reflect
a new prefix is for parts compatibility. This manual
applies directly to instruments with the serial prefix
shown on the title page.

HP 16500A/16501A - General Information

1-1

Содержание 16500A

Страница 1: ...ble You will find any other available product information on the Agilent Test Measurement website www tm agilent com HP References in this Manual This manual may contain references to HP or Hewlett Packard Please note that Hewlett Packard s former test and measurement semiconductor products and chemical analysis businesses are now part of Agilent Technologies We have made no changes to this manual...

Страница 2: ... 16500A 3048A and below HP 16501A 3050A For additional information about serial numbers see INSTRUMENTS COVERED BY THIS MANUAL in Section 1 ÿ COPYRIGHT HEWLETT PACKARD COMPANY COLORADO SPRINGS DIVISION 1990 1900 GARDEN OF THE GODS ROAD COLORADO SPRINGS COLORADO U S A ALL RIGHTS RESERVED Manual Part No 16500 90911 Printed in U S A December1990 ...

Страница 3: ...n 2 1 2 4 Operating Disk Installation 2 1 2 5 Power Requirements 2 1 2 6 Line Voltage Selection 2 1 2 7 Power Cable 2 2 2 8 User Interface 2 4 2 9 HP IB Interfacing 2 5 2 10 HP IB Address Selection 2 5 2 11 HP IB Interface Functions 2 8 2 12 RS 232C Interface 2 8 2 13 Baud Rate Selection 2 10 2 14 Degaussing the Display 2 12 2 15 Operating Environment 2 12 2 16 Storage and Shipment 2 12 2 17 Packa...

Страница 4: ...3 Service Test Equipment Required 6 1 6 4 Theory of Operation 6 1 6 5 Power Up Tests 6 6 6 6 Mainframe Tests 6 8 6 7 Troubleshooting 6 19 6 8 Repair 6 46 6 9 Tools Required 6 47 6 10 Cover Removal 6 47 6 11 Power Supply Replacement 6 48 6 12 Mother Board Replacement 6 50 6 13 Rear Fan Replacement 6 52 6 14 Side Fan Replacement 6 54 6 15 Rear Disk Drive Replacement 6 56 6 16 Front Disk Drive Replac...

Страница 5: ... Interface Devices 2 4 2 4 HP IB Interface Connector 2 5 2 5 System Configuration Menu 2 6 2 6 HP IB Configuration Menu 2 6 2 7 HP IB Configuration with Keypad 2 7 2 8 System Configuration Menu 2 10 2 9 RS 232C Configuration Menu 2 10 2 10 Baud Rate Pop Up Menu 2 11 2 11 Configuration 2 13 2 12 Endplate Overlap 2 14 2 13 Endplate Overlap 2 15 2 14 System Configuration Menu 2 16 4 1 System Configur...

Страница 6: ...or Block Diagram 6 4 6 3 System Configuration 6 8 6 4 Accessing the Test System 6 9 6 5 Loading the Test System Software 6 9 6 6 Test System Configuration 6 10 6 7 Mainframe Test Menu 6 10 6 8 All System Test 6 11 6 9 Selecting the Color Display Patterns 6 12 6 10 Mainframe Test Menu 6 13 6 11 ROM Test Screen 6 13 6 12 Choosing the Single or Repetitive Mode 6 14 6 13 ROM Test with Test Results 6 1...

Страница 7: ...Test Screen 6 43 6 38 Probe Tip Connections 6 44 6 39 Power Supply Replacement 6 49 6 40 Mother Board Replacement 6 51 6 41 Rear Fan Replacement 6 53 6 42 Side Fan Replacement 6 55 6 43 Rear Disk Drive Replacement 6 57 6 44 Front Disk Drive Replacement 6 59 6 45 Microprocessor Board Replacement 6 61 6 46 Front Panel Board Replacement 6 63 6 47 Color Display Module Removal 6 65 6 48 Transferring Pa...

Страница 8: ...ge 1 1 Introduction 1 1 1 2 Instruments Covered by This Manual 1 1 1 3 Safety Considerations 1 2 1 4 Product Description 1 2 1 5 Accessories Supplied 1 2 1 6 Accessories Available 1 3 1 7 Operating Characteristics 1 3 1 8 Recommended Test Equipment 1 3 ...

Страница 9: ...pped with this manual are service manuals for each module ordered with the HP 16500A 16501A To complete the service documentation for your system unpack the module service manuals and place them in the 3 ring binder of this manual 1 2 Instruments Covered by This Manual The instrument serial number is on the rear panel of the instrument Hewlett Packard uses a two part serial number consisting of a ...

Страница 10: ...n Some of the key features of the HP 16500A 16501A include the following Modular mainframe with five card slots Nine inch color monitor The touchscreen user interface Dual 3 5 inch disk drives Intermodule triggering and time correlation of acquired data HP IB and RS 232C interfaces for hardcopy output to a printer or controller interface Expansion frame which expands the total system card slots to...

Страница 11: ...unt Kit HP Part Number 5061 9679 Transit Case HP Part Number 9211 2658 Hewlett Packard Plug In Modules with data acquisition stimulus pattern generator and oscilloscope capabilities Blank 3 5 inch disks box of 10 HP Part Number 92192A For more information about plug in modules or accessories contact the nearest Hewlett Packard Sales Office 1 7 Operating Characteristics Table 1 1 is a listing of th...

Страница 12: ... modes including automatic measurements may be remotely pro grammed via RS 232C or HP IB IEEE 488 Hardcopy Output Printers Supported HP ThinkJet HP QuietJet HP LaserJet HP PaintJet HP Deskjet Epson and Epson compatible e g Epson FX 80 via RS 232C or HP IB RS 232C Configurations Protocols XON XOFF Hardware Data bits 8 Stop bits 1 1 1 2 2 Par ity none odd or even Baud rates 110 300 600 1200 2400 480...

Страница 13: ... rms Non operating Random vibration 5 500Hz 10 minutes per axis 2 4 g rms and swept sine resonant search 5 500Hz 0 75g 0 peak 5 minute dwell at 4 resonances per axis Weight HP 16500A Net 18 1 kg 40 lbs 0 7 kg 1 6 lbs x number of optional cards installed Shipping 25 9 kg 57 lbs 3 6 kg 8 lbs x number of optional cards installed HP 16501A Net 12 2 kg 27 lbs 0 7 kg 1 6 lbs x number of optional cards i...

Страница 14: ...Figure 1 1 Dimensional Detail HP 16500A 16501A General Information 1 6 ...

Страница 15: ...State Analyzer 10 MHz Acquisition Speed 22 Channels HP 1651B T Oscilloscope 100 MHz Bandwidth HP 54501A T RS 232C Loopback Connector HP Part No 01650 63202 T Voltmeter 3 1 2 Digit Resolution HP 3468A T A Adjustments P Performance Tests T Troubleshooting HP 16500A 16501A General Information 1 7 ...

Страница 16: ...2 7 Power Cable 2 2 2 8 User Interface 2 4 2 9 HP IB Interfacing 2 5 2 10 HP IB Address Selection 2 5 2 11 HP IB Interface Functions 2 8 2 12 RS 232C Interface 2 8 2 13 Baud Rate Selection 2 10 2 14 Degaussing the Display 2 12 2 15 Operating Environment 2 12 2 16 Storage and Shipment 2 12 2 17 Packaging 2 12 2 18 Tagging for Service 2 12 2 19 Cleaning Requirements 2 12 2 20 HP 16501A Expansion Fra...

Страница 17: ...cal damage or defect or if the instrument does not operate properly notify the nearest Hewlett Packard Sales Office If the shipping container is damaged or the cushioning material shows signs of stress notify the carrier as well as the Hewlett Packard Sales Office Keep the shipping material for carrier s inspection The Hewlett Packard Sales Office will arrange for repair or replacement at Hewlett ...

Страница 18: ...witch for the desired line voltage See figure 2 1 4 Reconnect the power cord turn on the rear panel power switch then continue normal operation 2 7 Power Cable This instrument 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 country of destinat...

Страница 19: ...Figure 2 2 Power Cord Configurations HP 16500A 16501A Installation 2 3 ...

Страница 20: ...rough information on screen The Optional Mouse The mouse is an optional user interface accessory HP 46060A The mouse functions in the same way as the touchscreen and the knob Moving it about on a hard flat surface will move the cursor over the entire screen To select a field connect the mouse to the front panel HIL connector and move the mouse until the cursor rests in the desired field Press the ...

Страница 21: ...ed on the data lines A 7 bit ASCII code normally represents each piece of data Data is transferred by means of an interlocking handshake technique which permits data transfer asynchronously at the rate of the slowest active device used in that transfer The data byte control lines coordinate the handshaking and form the second functional group The remaining five general interface management lines t...

Страница 22: ...k in one of the disk drives turn the instrument on to obtain the System Configuration menu See figure 2 5 2 Touch the HP IB field to obtain the HP IB Configuration Menu See figure 2 6 Figure 2 5 System Configuration Menu Figure 2 6 HP IB Configuration Menu HP 16500A 16501A Installation 2 6 ...

Страница 23: ...number may also be entered via the keypad Touch the HP IB field again to bring up the keypad Select the new number using the keypad then touch Done to enter the new selected address See figure 2 7 4 Touch Done to exit the HP IB Configuration menu Figure 2 7 HP IB Configuration with Keypad HP 16500A 16501A Installation 2 7 ...

Страница 24: ...est SR1 RL Remote Local RL1 PP Parallel Poll PP1 DC Device Clear DC1 DT Device Trigger DT1 C Any Controller C0 E Electrical Characteristics E2 2 12 RS 232C Interface The HP 16500A interfaces with RS 232C communication lines through a standard 25 pin D connector The HP 16500A is compatible with RS 232C protocol When a hardwire handshake method is used the Data Terminal Ready DTR line pin 20 on the ...

Страница 25: ... CA Signal from Mainframe High ON 12V Low OFF 12V 5 Clear to Send CTS CB Signal to Mainframe High ON 3V to 12V Low OFF 3V to 25V 6 Data Set Ready DSR CC Signal to Mainframe High ON 3V to 25V Low OFF 3V to 25V 7 Signal Ground SGND AB Not applicable 8 Data Carrier Detect DCD CF Signal to Mainframe High ON 3V to 25V Low OFF 3V to 25V 20 Data Terminal Ready DTR CD Signal from Mainframe High ON 12V Low...

Страница 26: ...ing system disk in one of the disk drives turn on the instrument to obtain the System Configuration menu See figure 2 8 2 Touch the RS 232C field in the lower right corner of the screen to obtain the RS 232C configuration menu See figure 2 9 Figure 2 8 System Configuration Menu Figure 2 9 RS 232C Configuration Menu HP 16500A 16501A Installation 2 10 ...

Страница 27: ...2 10 Make any other changes to the RS 232C configuration while you are in this menu 4 When the RS 232C configuration is correct touch the Done field and the System Configuration screen will be displayed Figure 2 10 Baud Rate Pop Up Menu HP 16500A 16501A Installation 2 11 ...

Страница 28: ...e following general instructions for repacking the instrument with commercially available materials Remove the disks from the disk drives and install the yellow shipping disks Wrap the instrument in heavy paper or plastic Use a strong shipping container A double wall carton made of 350 lb test material is adequate Use a layer of shock absorbing material 70 to 100 mm 3 to 4 inches thick around all ...

Страница 29: ...dure 1 Turn off the HP 16500A mainframe power switch then unplug the power cord Disconnect any input connections 2 Verify the correct setting of the Line Select switch located on the rear panel of the HP 16501A See section 2 6 Line Voltage Selection 3 Starting from the top loosen thumb screws on filler panels and cards that need to be moved Starting from the top pull the cards and filler panels ha...

Страница 30: ...to the center of the card endplate while tightening the thumb screws finger tight Repeat for all cards and filler panels in a bottom to top order See figure 2 12 Note Any filler panels that are not used should be kept for future use Filler panels must be installed in all unused card slots for correct air circulation Figure 2 12 Endplate Overlap HP 16500A 16501A Installation 2 14 ...

Страница 31: ...ard in the HP 16500A Insert the other end of the interface cable into the port located on the expansion interface card in the HP 16501A Note When connecting the interface cable you will hear two clicks Make sure the cable connector is properly seated into the port by pulling the connector without pressing the release tabs If the connector is properly seated it will remain connected to the port Fig...

Страница 32: ... rear panel of each frame c Turn on the power standby switch located on the front panel of the HP 16500A mainframe When the power up tests are complete the HP 16500A mainframe screen shows the Mainframe Interface Card in one of the card slots See figure 2 14 Figure 2 14 System Configuration Menu HP 16500A 16501A Installation 2 16 ...

Страница 33: ...TABLE OF CONTENTS Section III Performance Tests Page 3 1 Introduction 3 1 ...

Страница 34: ...ests 3 1 Introduction This section normally contains the performance verification tests Because there are no specifications for the HP 16500A 16501A to test there are no performance tests HP 16500A 16501A Performance Tests 3 1 ...

Страница 35: ...TABLE OF CONTENTS Section IV Adjustments Page 4 1 Introduction 4 1 4 2 Degaussing the Display 4 1 4 3 Safety Considerations 4 1 4 4 Adjustment Test Patterns 4 2 4 5 Color Display Module Adjustments 4 7 ...

Страница 36: ...nstrument has been used for awhile the CRT may become magnetized and the color or other data may become distorted To correct these problems press the Degauss button on the power supply rear panel several times If the instrument has been subjected to strong magnetic fields it may be necessary to degauss the CRT with a conventional external television type degaussing coil 4 3 Safety Considerations A...

Страница 37: ...the test patterns is gained through the Mainframe Test system To access the test patterns proceed as follows 1 Insert the operating system disk into one of the disk drives then turn on the instrument to obtain the System Configuration menu See figure 4 1 2 Touch the Configuration field then touch the Test field from the pop up menu See figure 4 2 Figure 4 1 System Configuration Menu Figure 4 2 Acc...

Страница 38: ...he center of the screen to load the Test System See figure 4 3 4 After the Test System has been loaded from the disk the Test Configuration will be displayed See figure 4 4 Figure 4 3 Loading the Test System Figure 4 4 Test System Configuration HP 16500A 16501A Adjustments 4 3 ...

Страница 39: ... Mainframe Test menu is now displayed See figure 4 6 Select the Color Display Test field to display the white cross hatch test pattern which is the first test pattern in the system See figure 4 7 Figure 4 5 Selecting Mainframe Test Menu Figure 4 6 Mainframe Test Menu HP 16500A 16501A Adjustments 4 4 ...

Страница 40: ... the status of the Display Test field has changed to TESTED 8 To exit the Mainframe Test system and to reload the mainframe operating system touch the Mainframe Test field Then touch the Test System field from the pop up menu shown in figure 4 8 The Test System configuration will be displayed Figure 4 7 Selecting the Test Patterns Figure 4 8 Exiting Mainframe Test System HP 16500A 16501A Adjustmen...

Страница 41: ...ouch the field close to the center of the screen to reload the mainframe operating system See figure 4 9 10 After the operating system has been reloaded the System Configuration will be displayed See figure 4 10 Figure 4 9 Exiting Test System Configuration Figure 4 10 System Configuration HP 16500A 16501A Adjustments 4 6 ...

Страница 42: ...of the following adjustments the CRT module must face west Equipment Required Nonmetallic Adjustment Tool HP Part Number 8710 1355 Procedure Note The following adjustments are broken down into adjustment groups The sequence of the adjustment groups must be followed due to the interaction and dependency of one adjustment to another The adjustment group sequence is shown in the adjustment flow diagr...

Страница 43: ...Figure 4 11 CRT Module Adjustment Flow Diagram HP 16500A 16501A Adjustments 4 8 ...

Страница 44: ...d on the bottom PC board to mechanical center 5 Using a flexible ruler adjust H SIZE RV504 and V HEIGHT RV502 located on the left hand side PC board so that the border of the cross hatch is 120 5 mm 4 74 in vertically and 161 mm 6 34 in horizontally 6 Adjust V CENT RV510 and H CENT RV503 located on the left hand side PC board to center pattern 7 Adjust PIN AMP RV506 located on the left hand side P...

Страница 45: ...t on its left side color module side up then remove the bottom rail See figure 4 13 Note Leave the instrument standing on its left side until the PIN PHASE adjustment has been completed Figure 4 13 Bottom Rail Removal HP 16500A 16501A Adjustments 4 10 ...

Страница 46: ...e 4 14 10 Reinstall the bottom rail 11 Adjust the TOP PIN RV511 located on the left hand side PC board so the top horizontal line is parallel with the center horizontal line 12 Adjust the BOTTOM PIN RV512 located on the left hand side PC board so the bottom horizontal line is parallel with the center horizontal line Figure 4 14 PIN PHASE Adjustment HP 16500A 16501A Adjustments 4 11 ...

Страница 47: ...heck for color purity If the color purity is correct do not perform this Landing and Convergence adjustment 2 Turn off the instrument then disconnect the power cord Loosen the deflection yoke clamp screw 3 Remove the deflection yoke spacers by moving the deflection yoke towards the rear of the instrument then by removing the spacers Note The deflection yoke spacers are tapered rubber blocks locate...

Страница 48: ... instrument Note In cases where your environment or the shipping environment has caused high levels of magnetization to take place you may need to externally degauss the CRT using a conventional television type degaussing coil to completely degauss the CRT 4 Set the purity magnet tabs to mechanical center See figure 4 15 5 Select the green raster from the Display Test menu Figure 4 15 Purity Magne...

Страница 49: ...e purity magnets need no more than 15 movement from the mechanical center 8 Move the deflection yoke forward until the entire raster is green Note The landing adjustment is easier if the yoke is moved all the way forward and then moved backward until the raster is completely green 9 Replace the green raster with a full screen red raster Check for proper landing adjustment color purity Select a blu...

Страница 50: ...nstrument and remove the power cord Reinstall the yoke spacers 13 When the landing adjustment is complete tighten the deflection yoke clamp screw just enough to keep the yoke from moving DO NOT over tighten Note While moving the deflection yoke forward and backward rotate the yoke as necessary to make the vertical edges of the raster parallel to the sides of the instrument frame Figure 4 17 Landin...

Страница 51: ...r dots located around the center intersection of the cross hatch pattern for coincidence of blue red and green dots If the dots are not coincident adjust H STAT RV703 located on the rear PC board to obtain horizontal coincidence and V STAT RV803 located on the bottom PC board to obtain vertical coincidence See figure 4 18 Note Due to interaction the BEAM LANDING will need to be readjusted if eithe...

Страница 52: ... and blue bowing at the top and bottom of the center vertical line See figure 4 19 3 Adjust the Y BOW CROSS RV804 located on the bottom of the PC board to eliminate red green and blue orthogonal misalignment at the top and bottom of the center vertical line See figure 4 20 Figure 4 19 Y BOW Adjustment Figure 4 20 Y BOW CROSS Adjustment HP 16500A 16501A Adjustments 4 17 ...

Страница 53: ...bottom PC board These two adjustments allow you to obtain coincidence of red blue and green where the top and bottom horizontal lines intersect with the center vertical line See figures 4 21 and 4 22 Figure 4 21 V STAT TOP Adjustment Figure 4 22 V STAT BOTTOM Adjustment HP 16500A 16501A Adjustments 4 18 ...

Страница 54: ...nvergence at the right and left sides of the screen See figure 4 23 6 Adjust the H TILT RV806 located on the bottom PC board for coincidence of red green and blue at the right and left sides of the screen See figure 4 24 Figure 4 23 H AMP Adjustment Figure 4 24 H TILT Adjustment HP 16500A 16501A Adjustments 4 19 ...

Страница 55: ... until either a red green or blue raster just starts to become visible Note which color becomes visible first and do not adjust background control BKG for that color in the next step 7 Adjust the other two background BKG controls for the best white balance 8 From the Display Test menu select the white raster test pattern 9 Set the front panel BRIGHTNESS control to maximum 10 Observe the screen and...

Страница 56: ...OF CONTENTS Section V Replaceable Parts Page 5 1 Introduction 5 1 5 2 Abbreviations 5 1 5 3 Replaceable Parts List 5 1 5 4 Exchange Assemblies 5 1 5 5 Ordering Information 5 1 5 6 Direct Mail Order System 5 2 ...

Страница 57: ...Total quantity Qty in the instrument The total quantity for each part is only given once at the first appearance of the part number in the list Part description 5 4 Exchange Assemblies Some of the parts used in this instrument have been set up on an exchange program This allows the customer to exchange a faulty assembly with one that has been repaired calibrated and performance verified at Hewlett...

Страница 58: ...mum on any mail order there is a minimum order amount for parts ordered through local Hewlett Packard Sales Offices when orders require billing and invoicing Prepaid transportation there is a small handling charge for each order No invoices To provide these advantages a check or money order must accompany each order Mail order forms and specific ordering information are available through your loca...

Страница 59: ...HORIZ HP HP IB HR HV HZ I O IC ID IN INCL INCAND INP INTEN INTL INV JFET JKT K L LB LCH LCL LED LG LI LK LKWR LS LV M MACH MAX dowel emitter coupled logic elas tomeric external far ads metal film resistor carbon film composi tion feed female flip flop flat foam from front gain band width product full wave fixed generator ground ed general purpose graticule groove hen ries high hardware hardened me...

Страница 60: ...Figure 5 1 HP 16500A Assembly Parts HP 16500A 16501A Replaceable Parts 5 4 ...

Страница 61: ...0 02 ROM A4 0950 1798 0 2 FRONT DISK DRIVE A5 0950 1798 0 REAR DISK DRIVE A6 0950 1853 8 1 LOW VOLTAGE POWER SUPPLY ASSEMBLY A7 0960 0753 6 1 ROTARY PULSE GENERATOR ASSEMBLY A8 2090 0226 5 1 COLOR CRT MODULE ASSEMBLY B1 3160 0429 0 2 FAN TUBEAXIAL B2 3160 0429 0 FAN TUBEAXIAL F1 2110 0010 9 FUSE 5 AMP FOR 230VAC OPERATION F1 2110 0395 3 FUSE 10 AMP FOR 115VAC OPERATION W1 16500 61601 9 1 CABLE MOT...

Страница 62: ...Figure 5 2 HP 16500A Chassis Parts HP 16500A 16501A Replaceable Parts 5 6 ...

Страница 63: ...MP6 16500 00602 2 1 DISK DRIVE SHIELD REAR MP7 16500 00603 3 1 FAN SCREEN REAR MP8 16500 01209 7 1 BRACKET FRONT DISK DRIVE MP9 16500 01210 0 1 BRACKET REAR DISK DRIVE AND SIDE FAN MP10 16500 01205 3 1 BRACKET COLOR MODULE TOP MP11 16500 01206 4 1 BRACKET COLOR MODULE BOTTOM MP12 16500 01207 5 1 FAN SHROUD REAR MP13 16500 04102 5 1 TOP COVER MP14 16500 04701 0 1 STRUT MOTHER BOARD MP15 16500 23101...

Страница 64: ...38 0590 1868 3 8 FAN CLIP MP39 16500 45402 4 2 DISK INSULATOR MP40 16500 94307 5 1 IDENTIFICATION LABEL MP41 16500 00604 4 1 SHIELD FRONT DISK DRIVE 0515 1245 0 0 REPLACEMENT SCREW FOR TOP AND BOTTOM COVERS 0510 1253 0 0 REPLACEMENT RETAINING RING FOR TOP AND BOTTOM COVERS This page intentionally left blank HP 16500A 16501A Replaceable Parts 5 8 ...

Страница 65: ...Figure 5 3 HP 16501A Assembly Parts HP 16500A 16501A Replaceable Parts 5 10 ...

Страница 66: ...OTHER BOARD A4 0950 1853 8 1 LOW VOLTAGE POWER SUPPLY ASSEMBLY B1 3160 0429 0 2 FAN TUBEAXIAL B2 3160 0429 0 FAN TUBEAXIAL F1 2110 0010 9 FUSE 5 AMP FOR 230VAC OPERATION F1 2110 0395 3 FUSE 10 AMP FOR 115VAC OPERATION W1 98735 61601 4 1 CABLE ASSEMBLY INTERFACE W2 16501 61604 3 1 CABLE ASSEMBLY RIBBON MOTHER BOARD TO EXPANSION INTERFACE BOARD W3 16501 61603 2 1 CABLE ASSEMBLY LED W4 16500 61604 2 ...

Страница 67: ...Figure 5 4 HP 16501A Chassis Parts HP 16500A 16501A Replaceable Parts 5 12 ...

Страница 68: ... 01201 0 1 FAN BRACKET MP7 16500 00603 3 1 FAN SCREEN REAR MP8 16501 40501 5 2 MODULE PANEL MP9 1400 0560 8 1 CL SET LED MTG LED CLAMP SET MP12 16500 01207 5 1 FAN SHROUD REAR MP13 16500 04102 5 1 TOP COVER MP14 16500 04701 0 1 STRUT MOTHER BOARD MP15 16500 23101 4 1 CARD GUIDE SIDE MP16 16500 23102 5 1 CARD GUIDE CENTER MP20 16500 61202 6 1 POWER SUPPLY COVER REAR PANEL MP21 5001 0541 3 2 SIDE TR...

Страница 69: ...ired 6 47 6 10 Cover Removal 6 47 6 11 Power Supply Replacement 6 48 6 12 Mother Board Replacement 6 50 6 13 Rear Fan Replacement 6 52 6 14 Side Fan Replacement 6 54 6 15 Rear Disk Drive Replacement 6 56 6 16 Front Disk Drive Replacement 6 58 6 17 Microprocessor Board Replacement 6 60 6 18 Front Panel Board Replacement 6 62 6 19 Color Display Module Replacement 6 64 6 20 Expansion Interface Board ...

Страница 70: ...d for example fire and electric sock When maintenance can be performed without power applied remove the power cord from the instrument 6 3 Service Test Equipment Required Equipment required for service is listed in section 1 table 1 2 Any equipment that satisfies critical specifications given in the table may be substituted 6 4 Theory of Operation This section contains block diagram level theory o...

Страница 71: ...Figure 6 1 HP 16500A 16501A System Overview HP 16500A 16501A Service 6 2 ...

Страница 72: ...generated on the microprocessor board The display RAM and the color palette are also located on the microprocessor board The front panel board is based on the Hewlett Packard Human Interface Link HP HIL and consists of the touchscreen system the front panel control knob the optional mouse and the optional keyboard All of the touchscreen and knob circuitry of the HP HIL is located on the front pane...

Страница 73: ...Figure 6 2 Microprocessor Block Diagram HP 16500A 16501A Service 6 4 ...

Страница 74: ...alog voltage of 0 V to 1 0 V for each of the primary colors Red Blue Green and is fed to the color module The HP 16500A interfaces to HP IB as defined by IEEE Standard 488 2 The interface consists of two octal transceivers and an HP IB controller The controller relieves the microprocessor of the task of maintaining HP IB protocol The two transceivers provide data and control signal transfer betwee...

Страница 75: ...ns The test returns a pass or fail message For RAM Test failures suspect a faulty microprocessor board Interrupt Test The Interrupt Test checks the microprocessor interrupts interrupts 2 thorough 7 This test returns a pass or fail message If any interrupts are active the test fails For Interrupt Test failures suspect a faulty microprocessor board Display Test The Display Test checks the display RA...

Страница 76: ... the cable from the microprocessor board to the front panel board If a problem is not found with the cable and the Touchscreen Test still fails after cleaning the instrument suspect a faulty front panel board Front and Rear Disk Tests The Disk Tests read each disk to identify the format If the format cannot be identified the test is considered to have failed for that disk drive If a disk cannot be...

Страница 77: ...henever the test system is loaded into memory the normal system is overwritten including all setups or acquired data for the optional modules To preserve that information store it onto a disk before beginning any self tests Accessing the Mainframe Test System To access the Mainframe Tests proceed as follows 1 With the operating system disk in one of the disk drives apply power to the instrument to...

Страница 78: ...4 3 Verify that test files are on an installed disk and that all valuable data has been stored Touch the field close to the center of the screen to load the test system See figure 6 5 Figure 6 4 Accessing the Test System Figure 6 5 Loading the Test System Software HP 16500A 16501A Service 6 9 ...

Страница 79: ...the Test System field then touch Mainframe Test from the pop up menu The Mainframe Test menu is displayed See figure 6 7 Note The Expander Test is used during troubleshooting and is not a performance verification test Figure 6 6 Test System Configuration Figure 6 7 Mainframe Test Menu HP 16500A 16501A Service 6 10 ...

Страница 80: ...Mainframe Test System in this section 3 Touch the All System Tests field The instrument performs all the tests that are listed on the screen except the Color Display Test and the Expander Test See figure 6 8 When the tests are completed the status advisory for each test changes from UNTESTED to either PASSED or FAILED The All System Tests advisory changes from UNTESTED to TESTED Note that the Colo...

Страница 81: ...est menu touch the Color Display Test The white cross hatch pattern is displayed This pattern is used for the color module geometry adjustments 2 Touch the Continue field The white raster pattern is displayed With every touch of the Continue field the next color test pattern is displayed See figure 6 9 3 Touch Continue from the black raster pattern to display the Mainframe Test menu Note that the ...

Страница 82: ... sure to verify that the disks are not write protected Before performing the RS 232S Test install the RS 232C loopback connector on the microprocessor RS 232C port Before performing the Intermodule Test remove any connections to the input BNC To perform the ROM test proceed as follows 1 Access the Mainframe Test menu as described in Accessing the Mainframe Test System in this section See figure 6 ...

Страница 83: ...ched The test results are also shown on this screen The run column contains the number of times the test was performed and the failures column contains the number of times the test failed See figure 6 13 The run fail count is reset to zero when the Done field is selected 4 To exit the ROM Test touch the Done field The Mainframe Test menu is displayed Note that the test status has changed to either...

Страница 84: ...h the Done field to display the Mainframe Test menu 2 Touch the Mainframe Test field then touch the Test System field from the pop up menu See figure 6 14 The Test System Configuration is displayed 3 Touch the Configuration field then touch the Exit Test field See figure 6 15 Figure 6 14 Exiting the Mainframe Test System Figure 6 15 Exiting Test Configuration HP 16500A 16501A Service 6 15 ...

Страница 85: ... the field close to the center of the screen to exit the test system and to load the mainframe operating system See figure 6 16 After the operating system is loaded the System Configuration menu is displayed Figure 6 16 Reloading the Mainframe System HP 16500A 16501A Service 6 16 ...

Страница 86: ... the RS 232C test to pass the RS 232C loopback connector must be installed on the microprocessor board rear panel For RS 232C Test failures verify the connection of the RS 232C loopback connector then suspect a faulty microprocessor board HIL Test The HIL Test consists of three parts the HIL controller test the front panel test and the touchscreen test All three tests return a pass or a fail messa...

Страница 87: ...e functions of the intermodule timing correlation This test fails if there are any connections on the input BNC For Intermodule Test failures in a mainframe suspect a faulty microprocessor board For Intermodule Test failures in a mainframe connected to an expansion frame suspect a faulty mainframe interface board Note The Intermodule Test screen shows the mainframe and expansion frame card slots a...

Страница 88: ... the other disk drive Troubleshooting Flowcharts The flowcharts are organized into the Main Expansion Frame Color Module System Start and Power Supply troubleshooting flowcharts Also flowcharts are included for the RS 232C HIL Disk and Intermodule Tests Descriptions of the power up tests and the Mainframe Tests are provided earlier in this section The power up tests are automatically performed eve...

Страница 89: ...HP 16500A 16501A Main Flowchart Troubleshooting Flowchart 1 Figure 6 17 Troubleshooting Flowchart 1 M A I N F L O W C H A R T 1 HP 16500A 16501A Service 6 20 ...

Страница 90: ...HP 16500A 16501A Main Flowchart Troubleshooting Flowchart 2 Figure 6 18 Troubleshooting Flowchart 2 M A I N F L O W C H A R T 2 HP 16500A 16501A Service 6 21 ...

Страница 91: ...HP 16500A 16501A Color Module Flowchart Troubleshooting Flowchart 3 Figure 6 19 Troubleshooting Flowchart 3 C O L O R M O D U L E F L O W C H A R T 3 HP 16500A 16501A Service 6 22 ...

Страница 92: ...01A Color Module Flowchart continued Troubleshooting Flowchart 3 continued Figure 6 20 Troubleshooting Flowchart 3 continued C O L O R M O D U L E F L O W C H A R T 3 c o n t i n u e d HP 16500A 16501A Service 6 23 ...

Страница 93: ...HP 16500A 16501A Power Up Flowchart Troubleshooting Flowchart 4 Figure 6 21 Troubleshooting Flowchart 4 P O W E R U P F L O W C H A R T 4 HP 16500A 16501A Service 6 24 ...

Страница 94: ...HP 16500A 16501A System Start Flowchart Troubleshooting Flowchart 5 S Y S T E M S T A R T F L O W C H A R T 5 Figure 6 22 Troubleshooting Flowchart 5 HP 16500A 16501A Service 6 25 ...

Страница 95: ...HP 16500A 16501A Mainframe Tests Flowchart Troubleshooting Flowchart 6 M A I N F R A M E T E S T S F L O W C H A R T 6 Figure 6 23 Troubleshooting Flowchart 6 HP 16500A 16501A Service 6 26 ...

Страница 96: ...HP 16500A 16501A Power Supply Flowchart Troubleshooting Flowchart 7 P O W E R S U P P L Y F L O W C H A R T 7 Figure 6 24 Troubleshooting Flowchart 7 HP 16500A 16501A Service 6 27 ...

Страница 97: ...HP 16500A 16501A HIL Flowchart Troubleshooting Flowchart 8 H I L F L O W C H A R T 8 Figure 6 25 Troubleshooting Flowchart 8 HP 16500A 16501A Service 6 28 ...

Страница 98: ...HP 16500A 16501A Disk Drive Flowchart Troubleshooting Flowchart 9 D I S K D R I V E F L O W C H A R T 9 Figure 6 26 Troubleshooting Flowchart 9 HP 16500A 16501A Service 6 29 ...

Страница 99: ...HP 16500A 16501A RS 232C Flowchart Troubleshooting Flowchart 10 R S 2 3 2 C F L O W C H A R T 10 Figure 6 27 Troubleshooting Flowchart 10 HP 16500A 16501A Service 6 30 ...

Страница 100: ...HP 16500A 16501A Intermodule Flowchart Troubleshooting Flowchart 11 I N T E R M O D U L E F L O W C H A R T 11 Figure 6 28 Troubleshooting Flowchart 11 HP 16500A 16501A Service 6 31 ...

Страница 101: ...HP 16500A 16501A Expansion Frame Flowchart Troubleshooting Flowchart 12 E X P A N S I O N F R A M E F L O W C H A R T 12 Figure 6 29 Troubleshooting Flowchart 12 HP 16500A 16501A Service 6 32 ...

Страница 102: ...This page intentionally left blank HP 16500A 16501A Service 6 33 ...

Страница 103: ...the horizontal sync vertical sync and display data signals The cable pin numbers are listed in table 6 1 The horizontal and vertical sync signals are TTL levels that resemble figure 6 31 The display data signals have a baseline of approximately 1 7 V and vary in amplitude from the baseline voltage to approximately 125 mV depending on the characteristics of the colors displayed 5 Reconnect the cabl...

Страница 104: ...Vertical Figure 6 30 Color Module to Microprocessor Cable Horizontal Figure 6 31 Horizontal and Vertical Sync Signals HP 16500A 16501A Service 6 35 ...

Страница 105: ... as a reference check the power supply LEDs Note Tape is put over the power supply screws that are close to the top cover If the tape is missing or damaged and the top cover is installed the power supply might shut off If the power shuts off after installing the top cover check the tape on the power supply shown in figure 6 32 4 Note problems with the power supply then return to the power supply f...

Страница 106: ...Figure 6 32 Power Supply Check HP 16500A 16501A Service 6 37 ...

Страница 107: ...o the power supply flowchart Table 6 2 Power Supply Voltages Pin Supply Signal Voltage Power Supply To Mother Board Connector 1 5 5 volt 5 V 6 5 volt remote sense 5 V 7 9 3 5 volt 3 5 V 10 3 5 volt remote sense 3 5 V 11 12 volt 12 V 12 12 volt 12 V 13 Not connected 14 20 Ground 0 V 21 Ground sense 0 V 22 Power valid 5 V 23 3 25 volt remote sense 3 25 V 24 30 3 25 volt 3 25 V 31 5 2 volt current li...

Страница 108: ...Figure 6 33 Power Supply Pins HP 16500A 16501A Service 6 39 ...

Страница 109: ... at specific locations on the interface cards Equipment Required State Analyzer HP 1651B 20 pin DIP clip qty 3 Performance Verification Test Disk Troubleshooting Considerations For the mainframe to recognize the mainframe interface card use an operating system disk version V04 00 or greater Verify that the mainframe interface card and expansion interface card are firmly seated and that the interfa...

Страница 110: ...4 Mainframe Interface Card 3 Turn off the HP 16500A 16501A system then remove the power cord from the mainframe and from the expansion frame Remove all option modules from the HP 16500A mainframe Install a disk containing the HP 16500A operating system in one of the disk drives and install a disk containing the performance verification in the other disk drive 4 Connect the HP 1651B pod 1 and pod 2...

Страница 111: ...t the power cords to the frames then turn on the frames The mainframe interface card should appear in the HP 16500A System Configuration menu 7 Run the Expander Test a In the System Configuration menu touch Configuration then touch Test b Touch the field closest to the center of the screen to load the test system c In the Test System Configuration menu touch Test System then touch Mainframe Test d...

Страница 112: ...rame interface card and reconfigure the HP 16500A 16501A system Then return to the Expansion Frame Flowchart 12 If the test results are correct reconfigure the HP 16500A 16501A system Then continue with this procedure Interface Cable 9 Turn off the HP 16500A 16501A system then remove the power cord from the mainframe and from the expansion frame Remove all option modules from the expansion frame 1...

Страница 113: ...clips with pin 10 ground of U7 U8 and U9 13 Install the expansion interface card into the expansion frame Connect the power cords to the frames then turn on both frames Run the Expander Test The Expander Test is accessed the same as in step 7 14 On the HP 1651B select Run The results on the HP 1651B screen should be similar to figure 6 37 with the Data and Address alternating between AA and 55 and...

Страница 114: ...Clock and Strobe DIP clip pod 2 0 through pod 2 4 and K CLK to U3 To prevent the 5 Vdc of the mainframe from shorting to ground align pin 10 ground of the DIP clips with pin 10 ground of U1 U2 and U3 19 Install the expansion interface card into the HP 16501A expansion frame Connect the power cords to the frames then turn on the frames Run the Expander Test The Expander Test is accessed the same as...

Страница 115: ...nergize the power supply when switched to the STBY position To avoid shock hazards capable of causing injury or death disconnect the power cord for all of the assembly replacement procedures After making repairs perform the power up test and all tests of the mainframe test system Table 6 3 Replaceable Assemblies Paragraph Assembly HP 16500A 16501A 6 10 Cover Removal 6 11 Power Supply 6 12 Mother B...

Страница 116: ...g the feet to the frame are accessible through the holes in the end of the feet 2 Loosen the screw in the rear of the top cover If a captive screw was used loosening the screw will pull the cover back When the screw is completely loose from the frame slide the cover off 3 Remove the side strap handle Note that the handle is rounded on the side closest to the instrument Reinstall the handle with th...

Страница 117: ...uide it out of the mainframe 8 Reverse this procedure to install the replacement power supply Before pushing the power supply into place make sure that it is properly aligned with the front connector of the mother board and with the rail guides of the card cage HP 16501A 1 Remove the power cord the top cover the left side cover and the card or filler panel in the top slot of the card cage To remov...

Страница 118: ...Figure 6 39 Power Supply Replacement HP 16500A 16501A Service 6 49 ...

Страница 119: ...d mounting screws then lift the mother board out of the mainframe 6 Reverse this procedure to install the replacement mother board HP 16501A 1 Remove the power cord all optional modules and top bottom and left side covers To remove the covers refer to section 6 10 Cover Removal To remove the optional modules refer to the service manual for each module 2 Remove the power supply Refer to section 6 1...

Страница 120: ...Figure 6 40 Mother Board Replacement HP 16500A 16501A Service 6 51 ...

Страница 121: ...section 6 10 Cover Removal 2 Remove the rear fan mounting screws Remove the complete rear fan assembly from the rear panel of the instrument 3 Disconnect the rear fan power cable Remove the fan from the fan cover 4 Reverse this procedure to install the replacement rear fan Make sure that the fan power cable is dressed under and between the fans HP 16500A 16501A Service 6 52 ...

Страница 122: ...Figure 6 41 Rear Fan Replacement HP 16500A 16501A Service 6 53 ...

Страница 123: ...overs refer to section 6 10 Cover Removal 2 Remove the four side fan mounting screws 3 Reach through the top of the instrument and disconnect the fan power cable Figure 6 42 shows the bottom view of the instrument 4 Reverse this procedure to install the replacement side fan Make sure that the fan power cable is dressed under and between the fans HP 16500A 16501A Service 6 54 ...

Страница 124: ...Figure 6 42 Side Fan Replacement HP 16500A 16501A Service 6 55 ...

Страница 125: ...ews that connect the rear disk drive 3 Disconnect the control cable for the disk drive then slide the rear disk drive assembly out of the rear panel 4 Remove the insulator from the rear disk drive and install the insulator onto the replacement disk drive 5 Set the address switch on the replacement disk drive assembly to the 0 position then reverse this procedure to install the replacement disk dri...

Страница 126: ...Figure 6 43 Rear Disk Drive Replacement HP 16500A 16501A Service 6 57 ...

Страница 127: ...lide the front disk drive assembly toward the rear panel until the assembly is out of the instrument 4 Disconnect the control cable for the disk drive 5 Remove the shield from the top of the assembly and the mounting bracket from the bottom of the assembly 6 Set the address switch on the replacement disk drive assembly to the 1 position then reverse this procedure to install the replacement disk d...

Страница 128: ...Figure 6 44 Front Disk Drive Replacement HP 16500A 16501A Service 6 59 ...

Страница 129: ...es refer to the Service Manual for each module 2 Disconnect the two cables from the microprocessor board The front cable is connected to the rear disk drive and the other cable is connected to the color display module 3 Remove the two screws connecting the microprocessor to the rear panel 4 Carefully slide the microprocessor board out of the mainframe 5 Reverse this procedure to install the replac...

Страница 130: ...Figure 6 45 Microprocessor Board Replacement HP 16500A 16501A Service 6 61 ...

Страница 131: ...t panel assembly to the top and bottom of the frame 4 Remove the front panel assembly by pushing on the back of the assembly from inside the instrument 5 Carefully remove the shield from the assembly The shield is very fragile and must be replaced if it is bent or damaged in any way 6 Remove the clip holding the front panel board to the front panel assembly 7 Remove the bezel from the front panel ...

Страница 132: ...Figure 6 46 Front Panel Board Replacement HP 16500A 16501A Service 6 63 ...

Страница 133: ...eplacement 2 Disconnect the color display to microprocessor cable from the microprocessor board Disconnect the color display to power supply cable from the power supply 3 Remove the screws that connect the rear mounting bracket on the display module to the side of the mainframe 4 Remove the screws that connect the color display to the top and bottom of the front frame 5 Remove the screws that conn...

Страница 134: ...Figure 6 47 Color Display Module Removal HP 16500A 16501A Service 6 65 ...

Страница 135: ...following sequence screw flat washer rubber washer Do not tighten the hardware 4 Remove the four bracket nuts connecting the front mounting brackets to the old module then remove the front mounting brackets Reinstall the bracket nuts on the old module 5 Remove the four bracket nuts from the replacement module Using the four bracket nuts install both front mounting brackets on the replacement displ...

Страница 136: ...Figure 6 48 Transferring Parts HP 16500A 16501A Service 6 67 ...

Страница 137: ...ts and the tabs line up Attach the front tabs of the center board guide to the front frame 5 Reinstall the front panel assembly connecting the front panel cables Make sure the front panel assembly is properly seated before tightening the hardware 6 Push the display module forward until it is properly seated against the front panel assembly Tighten the four display module mounting screws in the fro...

Страница 138: ...Figure 6 49 Color Display Module Installation HP 16500A 16501A Service 6 69 ...

Страница 139: ...d to the mother board 4 Remove the two screws connecting the expansion interface board to the rear panel of the expansion frame 5 Carefully slide the expansion interface board out of the expansion frame 6 Reverse this procedure to install the replacement expansion interface board Note In order to ensure correct connection of the interface cable the 68 pin D connectors on the cable are asymmetric i...

Страница 140: ...Figure 6 50 Expansion Interface Board Replacement HP 16500A 16501A Service 6 71 ...

Страница 141: ...to the backplane connector of the mainframe Keep applying pressure to the center of the card endplate while tightening the thumb screws finger tight Repeat for all cards and filler panels in a bottom to top order See figure 6 52 Note Filler panels must be installed in all unused card slots for correct air circulation Any filler panels that are not used should be kept for future use 7 Connect the i...

Страница 142: ...Figure 6 53 Mainframe Interface Board Replacement HP 16500A 16501A Service 6 73 ...

Страница 143: ... use repaired fuses or short circuited fusehold ers To do so could cause a shock or fire hazard Do not operate the instrument in the presence of flamma ble gasses or fumes Operation of any electrical instrument in such an environment constitutes a definite safety hazard Do not install substitute parts or perform any unauthorized modification to the instrument Adjustments described in the manual ar...

Страница 144: ...software and firmware designated by HP for use with an instrument will execute its programming instructions when properly installed on that instrument HP does not warrant that the opera tion of the instrument or software or firmware will be uninterrupted or error free LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer...

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