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1、UPERATI lIG AND S ERVICE MANUAL . . ,.1,;,:ffil.1 , wfJi)i -I ) . -. : 7 . - ODEL 1331A ,. .c. L i.; _,_. -Y D IS PLAY RadioFans.CN 收音机爱 好者资料库 CERTIFICATION The Hewlett-Packard Company certifies that this instrument was thoroughly tested and inspected and found to meet its published specifications w
2、hen it was shipped from the factory. The Hewlett- Packard Company further certifies that its calibration measure- ments are traceable to the U.S. National Bureau of Standards to the extent allowed by the Bureaus calibration facility. WARRANTY AND ASSISTANCE This Hewlett-Packard product is warranted
3、against defects in materials and workmanship. This warranty applies for one year from the date of delivery, or, in the case of certain major components listed in the operating manual, for the specified period. We will repair or replace products which prove to be defective during the warranty period
4、provided they are returned to Hewlett-Packard. No other warranty is expressed or implied. We are not liable for consequential damages. Service contracts or custoier assistance agreements are available for Hewlett-Pakard products that require main- tenance and repair on-site. For any assistance, cont
5、act your nearest Hewlett-Packard Sales andSrvice Office. Addresses are provided at the back of this manual. . RadioFans.CN 收音机爱 好者资料库 ( ( OPERATING AND SERVICE MANUAL MODEL 1331A X-V DISPLAY SERIALS PREFIXED: 1319A Refer to Section VI I for instruments with other Serial Prefixes. Refer to Section VI
6、I for instruments with the following standard options: X95, 631. HEWLETT-PACKARD COMPANY/COLORADO SPRINGS DIVISION 1900 GARDEN OF THE GODS ROAD, COLORADO SPRINGS, COLORADO, U.S.A. ManualPartNumber01331-90903. MicrofichePartNumber01331-90803. PRINTED: MAY 1973 RadioFans.CN 收音机爱 好者资料库 r - Table of Con
7、tents Model 1331A TABLE OF CONTENTS Section Page I II III IV 11 GENERAL INFORMATION. 1-1 1-1. Introduction . . . . . . . . . . . . . . . . . . . . . 1-1 1-4. Description . . . . . . . . . . . . . . . . . . . . . . 1-1 1-10. Cathode-ray Tube. 1-1 1-12. Warranty. 1-1 1-14. Available Accessories. . 1-1
8、 1-16. Instrument and Manual Identification . . . . . . . . . . . . . . . . . . 1-1 1-20. Inquiries. 1-3 INSTALLATION. 2-1 2-1. Introduction . . 2-3. Initial Inspection . . 2-5. Preparation for Use . . . 2-7. Rack Mounting . . 2-9. Power Requirements . . 2-11. Power Connections . . 2-13. Instrument
9、Cooling . . 2-17. Monitored Inputs . . . 2-19. Amplifier Input Modifications . 2-34. Claims . . 2-36. Repacking for Shipment . . OPERATION . . . . 3-1. Introduction . . 3-3. Controls and Connectors . . 3-5. Beam Find . . 3-7. Intensity . . 3-9. Applications . . 3-11. Preoperational Adjustments and O
10、perators Checks . . 3-13. Operators Maintenance . . . . 3-15. Operating Procedures . . PRINCIPLES OF OPERATION . . 4-1. Introduction . . 4-3. Variable Persistence and Storage. 4-5. The Storage CRT . . 4-10. Secondary Emission Ratio . . 4-12. Erase Cycle . . 4-15. Variable Persistence . . . 4-19. Sto
11、rage . . 4-21. Storage Precautions . . 4-23. Block Diagram Discussion . . 4-25. Low Voltage Power Supplies . . 4-27. High Voltage Power Supply . . 2-1 2-1 2-1 2-1 2-1 2-1 2-1 2-1 2-2 2-5 2-5 3-1 3-1 3-1 3-1 3-1 3-2 3-2 3-2 3-2 4-1 4-1 4-1 4-1 4-1 4-1 4-2 4-2 4-2 4-2 4-2 4-2 Section Page v 4-29. 4-31
12、. 4-33. 4-35. 4-37. 4-54. 4-56. 4-64. 4-71. 4-76. 4-78. 4-82. X-and Y-axis Amplifiers . . . . . . . 4-2 Z-axis Amplifier . . . . . . . . . . . . . . . 4-3 Intensity Gate . . . . . . . . . . . . . . . . . 4-3 Control Circuits. 4-3 Pulse Circuits. . . . . . . . . . . . . . . . . 4-3 Detailed Circuit T
13、heory . . . . . . . . . . 4-4 Low Voltage Power Supplies . . . 4-4 High Voltage Power Supply . . . 4-5 X-and Y-axis Amplifiers. 4-5 Z-axis Amplifier . . . . . . . . . . . . . . . 4-5 Control Circuits. . . . . . . . . . . . . . . . 4-5 Pulse Circuits. . . . . . . . . . . . . . . . . . 4-6 PERFORMANCE
14、 CHECKS AND ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . 5-1 5-1. Introduction . . . . . . . . . . . . . . . . . . . . . 5-1 5-5. Performance Check . . . . . . . . . . . . . . 5-1 5-8. Mode and Erase Checks. . . . . . . . 5-2 5-12. Deflection Checks. 5-2 5-16. Phase Shift Check . . . . .
15、. . . . . . . . 5-2 5-20. Common Mode Rejection Ratio (CMRR) Check . . . . . . . . . . . . . . . 5-2 5-24. Bandwidth Checks . . . . . . . . . . . . . 5-3 5-28. Z-axis Amplifier Checks. . . . . . . . 5-3 5-32. Erase Time Check . . . . . . . . . . . . . 5-4 5-36. Dot Writing Time Check . . . . . . . 5
16、-4 5-40. Store Time Check . . . . . . . . . . 5-5/5-6 5-44. Adjustment. 5-7 5-47. Low Voltage Power Supply Adjustments . . . . . . . . . . . . . . . . . 5-7 5-51. High Voltage Power Supply Adjustment. 5-7 5-55. Write Depth Adjustment . . . . . . . 5-7 5;59. Flood Gun and Collimator Adjustments . . .
17、 . . . . . . . . . . . . . . 5-8 5-63. Write Gun Intensity Limit Adjustment . . . . . . . . . . . . . . . . . . 5-8 5-67. X-and Y-axis Amplifier Gain Adjustment. 5-8 5-71. Phase Shift Adjustment. . . . . . . . 5-8 5-75. Writing Rate Adjustment. 5-9 5-79. Store Time Adjustment. . 5-9 5-83. Z-axis Amp
18、lifier Risetime Adjustment. . . . . . . . . . . . . . . . . 5-10 5-87. Calibrating Modified Instruments . . . . . . . . . . . . . . . . . . 5-10 5-89. Phase Shift. 5-10 5-91. Attenuator Compensation. 5-10 5-93. Input Signal Amplitudes . . . . . . 5-11 ( ( Model 1331A Table of Contents List of Illust
19、rations TABLE OF CONTENTS (Contd Section Page VI REPLACEABLE PARTS 6-1 6-1. Introduction . . . . . . . . . . . . . . . . . . . . . 6-1 6-3. Ordering Information . . . . . . . . . . . . 6-1 VII MANUAL CHANGES AND OPTIONS. 7-117-2 7-1. 7-3. 7-7. 7-11. Introduction . . Manual Changes . . Special Option
20、s . . Standard Options . . VIII SCHEMATICS AND TROUBLE- 7-117-2 7-117-2 7-117-2 7-117-2 SHOOTING . . . . . . . . . . . . . . 8-1 8-1. Introduction . . . . . . . . . . . . . . . . . . . . . 8-1 8-3. Schematics . . . . . . . . . . . . . . . . . . . . . . 8-1 Section 8-8. 8-12. 8-15. 8-17. 8-20. 8-23.
21、8-25. 8-27. 8-30. 8-32. 8-34. 8-36. 8-38. 8-40. 8-43. 8-45. 8-47. Page Reference Designations . . . . . . . . . . 8-1 Component Locations. 8-1 Preventive Maintenance . . . . . . . . . 8-1 Mechanical Inspection . . . . . . . . . 8-1 Cleaning. 8-1 Switch Maintenance . . . . . . . . . . . 8-2 Repair an
22、d Replacement . . . . . . . . . 8-2 CRT Removal and Installation . 8-2 Semiconductor Removal and Replacement. 8-3 Circuit Boards . . . . . . . . . . . . . . . . . . . 8-3 Board Connections. . . . . . . . . . . . . 8-3 Servicing Etched Circuit Boards. 8-3 Heat Sinks. 8-3 Troubleshooting . . . . . . .
23、 . . . . . . . . . . 8-3 DC Voltages. 8-3 Waveforms . . . . . . . . . . . 8-3 Trouble Isolation. . . . . . . . . . . . . . . 8-3 LIST OF ILLUSTRATIONS Figure Title Page 1-1. Model 1331A X-Y Display . 1-0 1-2. Instrument Serial Number . 1-3 2-1. Rack Mounting . 2-1 2-2. Ventilation Tolerances . 2-2 2
24、-3. X-Y Amplifiers Input Circuit . 2-4 2-4. Attenuator Components Locations on Main Board A5 . 2-4 3-1. Model 1331A Controls and Con- nectors . 3-3 3-2. Preoperational Procedure . 3-4 3-3. General Operating Procedure . 3-5 3-4. Multiple Display Procedure . 3-6 4-1. CRT Schematic . 4-3 4-2. Secondary
25、 Emission Ratio . 4-3 4-3. Erase Cycle . 4-3 4-4. Variable Persistence Pulsing . 4-3 4-5. Pulse Circuits Block Diagram . 4-5 4-6. Overall Block Diagram . 4-7/4-8 5-1. Phase Shift Trace . 5-3 5-2. Erase Waveform . 5-4 5-3. Write Depth Waveform . 5-7 5-4. Adjustment Locator . 5-11/5-12 8-1. Al Compone
26、nt Locator . 8-4 8-2. A2 Component Locator . 8-5 Figure 8-3. 8-4. 8-5. 8-6. 8-7. 8-8. 8-9. 8-10. 8-11. 8-12. 8-13. 8-14. 8-15. 8-16. 8-17. 8-18. 8-19. 8-20. 8-21. 8-22. Title Page Schematic, 50V Power Supplies 8-5 Semiconductor Terminal Iden- tification. . . . . . . . . . . . . . . . . . . . . . . .
27、 . . . . 8-7 Schematic, +158V and +12.6V Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7 A3 Component Locator. 8-8 A4 Component Locator. . . . . . . . . . . . . . . . 8-8 A 7 Component Locator. . . . . . . . . . . . . . . . 8-8 Schematic 3 Measurement Conditions and Wavefo
28、rms. 8-9/8-10 Schematic, High Voltage Power Supply . 8-9/8-10 Schematic 4 Measurement Conditions and Waveforms. 8-1118-12 Schematic, X-and Y-axis Amplifiers . . . . . . . . . . . . . . . . . . . . . 8-11-8-12 Schematic 5 Measurement Conditions and Waveforms. 8-13 Schematic, Z-axis Amplifier. 8-13 A6
29、 Component Locator. 8-14 A8 Component Locator. 8-15 Schematic, Control Circuits . . . . . . . . . . 8-15 A5 Component Locator. 8-16 Schematic, Pulse Circuits . . . . . . . 8-17 /8-18 Write Mode Troubleshooting Guide. 8-19/8-20 Store Mode Troubleshooting Guide. . . . . . . . . . . . . . . . . . . . .
30、 . . . . 8-21 /8-22 Erase Function Troubleshooting Guide. 8-23 111 List of Tables lV LIST OF TABLES Table Title Page 1-1. Specifications. 1-2 1-2. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1-3. Reference Designations and Abbreviations. 1-3 2-1. X-Y Attenuator Component Va
31、lues. 2-3 2-2. Attenuator Components Parts List . . . . 2-3 2-3. Z-attenuator Component Values . . . . . . . 2-3 3-1. Definitions. 3-1 5-1. Recommended Test Equipment. 5-1 Performance Check Record . . . . . . 5-6a/ 5-6b 5-2. Low Voltage Power Supply Adjustments . . . . . . . . . . . . . . . . . . .
32、. . . . . 5-7 6-1. Abbreviations for Replaceable Parts List. 6-1 6-2. Replaceable Parts . . . . . . . . . . . . . . . . . . . . . 6-2 6-3. List of Manufacturers Codes. 6-11/ 6-12 8-1. Schematic Notes. 8-6 Model 1331A ) c ( General Information Model 1331A ) 1331A-A-7 ) Figure 1-1. Model 1331A X-Y Dis
33、play 1-0 ( ( Model 1331A General Information SECTION I GENERAL INFORMATION 1-1. INTRODUCTION. 1-2. This manual provides operating and servicing information for the Hewlett-Packard Model 1331A X-Y Display (figure 1-1). The manual is divided into eight sections, each covering a specific topic or as- p
34、ect of the instrument. All schematics are lQcated at the rear of the manual and can be unfolded and used for reference while reading any part of the manual. 1-3. This section contains a description of Model 1331A. The instrument specifications are listed in table 1-1. Table 1-3 lists and describes t
35、he abbre- viations used everywhere in this manual except in Section VI. The parts list in Section VI is a com- puter printout and uses computer-supplied abbrevia- tions. Special accessories are listed in this section. Standard options available for this instrument are listed and described in Section
36、 VIL 1-4. DESCRIPTION. 1-5. Model 1331A has been designed for general- purpose X-Y storage and system monitoring. It can display digital or analog computer-processed data or real time information. Its high frequency response makes it useful as a read-out device in the following applications: graphic
37、 and alphanumeric displays, nuclear spectrometer, semiconductor curve tracer, swept-frequency measurements, frequency ratios, phase shift measurements, raster displays, and ampli- tude versus time displays. 1-6. Identical X and Y amplifiers provide storage monitor displays with bandwidths up to 1 MH
38、z. Re- fresh memory requirements are minimized by the mesh type storage CRT. 1-7. All controls required to compensate for spot deflection and dot writing speed are located on the front panel. These include FOCUS, INTENSITY, PER- SISTENCE, mode (WRITE, and STORE), POSITION controls, and ERASE. 1-8. M
39、odel 1331A writes and stores shades of gray which adds a third dimension to the display. Spot blanking is obtained with-IV. Maximum brightness is obtained with + 1 V. In-between voltages provide shades of gray. 1-9. Model 1331A is proportioned to permit mount- ing two instruments (any HP 1330/ 1331-
40、series instru- ments) side-by-side in a standard 19-inch rack. Refer to the paragraph on available accessories in this section for a description of a suitable rack adapter. 1-10. CATHODE-RAY TUBE. 1-11. Model 1331A uses a post-accelerator storage CRT with a 10.5 kV accelerating potential and alum- i
41、nized P31 phosphor. The 8 x 10 division internal graticule is located on the same plane as the display to eliminate parallax errors. The mesh type storage used eliminates the need for memory devices to con- stantly refresh the display. Refer to table 1-1 for complete CRT specifications. 1-12. WARRAN
42、TY. 1-13. The instrument (except the CRT) is certified and warranted as stated on the inside front cover of this manual. The CRT is covered by a separate warranty. The CRT warranty and warranty claim form is located at the rear of this manual. Should the CRT fail within the time specified on the CRT
43、 warranty page, complete the warranty claim form and return it with the defective CRT. The procedure for returning a defective CRT is described on the CRT warranty page. The warranty may be void for instru- ments having a mutilated serial number tag. 1-14. AVAILABLE ACCESSORIES. 1-15. Accessories av
44、ailable for use with Model 1331A are listed in table 1-2. Hewlett-Packard also has a wide range of test equipment and accessories suit- able for use with HP instruments and instruments of other manufacturers. Refer to the latest HP Catalog or request information from the nearest HP Sales/ Service Office. 1-16. INSTRUMENT AND MANUAL IDEN- TIFICATION. 1-17. This manual applies directly to Model 1331 instruments with a serial prefix
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