HP 652A, Руководство по эксплуатации и обслуживанию, Страница: 4 / 78

Model 6 52A
Table of Contents
TABLE OF CONTENTS
Section
1-1.
1-6.
1-8.
Page
Description ................... 1-1
Accessory Features .............. 1*1
Instrument Identification ......... , 1-1
Section Page
II. INSTALLATION .................... 2-1
2-1. Introduction ................... 2-1
2-3. Initial Inspection ................ 2-1
2- 5. Power Requirements ............. 2-1
2-7. Power Cords ................. 2-1
2-9. Grounding Requirements .......... 2-1
2-]1. Installation .................... 2-1
2-]3. Rack/Bench Installation ........... 2-]
2-] 5. Repackaging for Shipment ......... 2-]
Section
Page
III. OPERATING INSTRUCTIONS ........... 3-]
3-1. Introduction ................... 3-]
3-3. Controls and Indicators ........... 3-1
3-5. Adjustment of Mechanical Zero ...... 3-]
3-7. Operation .................... 3-]
Section
Page
IV.
THEORY OF OPERATION ............. 4-]
4-1.
General Description .............. 4-]
4-3. Circuit Description .............. 4-]
4- 5. Oscillator Circuit .............. 4-]
4-13.
Automatic Gain Control. ......... 4-2
4-] 5. Power Amplifier ............... 4-2
4-]7. Normal Monitor Circuit . ......... 4-2
4-]9. Expand Monitor Circuit. ......... 4-2
4-26. Output Attenuator ............. 4-3
4-29. Regulated Power Supply ......... 4-3
Section Page
V. MAINTENANCE ..................... 5-1
5-1.
Introduction ................... 5-]
5-3. Required Test Equipment .......... 5-]
5-5. Performance Tests ............... 5-1
5-7.
Frequency Range Test .......... : 5-]
5-8. Dial Accuracy Test ............. 5-]
5-9. Output Tests ................. 5-2
5-]4. Output Monitor Accuracy Test ..... 5- 5
5-]5. Attenuator Test ............... 5- 5
5-]6. Amplitude Control Test .......... 5-6
5-]7. Distortion Test. ............... 5-6
Section
5-18.
5-]9.
5-20.
5-21.
5-23.
5-26.
5-27.
5-28.
5-29.
5-30.
5-31.
5-32.
5-33.
5-34.
5-35.
5-36.
5-40.
5-41.
5-44.
5-46.
5- 51.
5- 53.
5- 56.
5-57.
5- 58.
5-60.
5-62.
Page
Hum and Noise Test (Optional) ..... 5-7
Amplitude Stability Test (Optional) .. 5-7
Output Impedance Test .......... 5-8
Adjustment and Calibration Procedure . 5-8
Cover Removal ................ 5-8
Power Supply Voltage Adjustments .. 5-8
Frequency Calibration Procedures .... 5-8
Preliminary Distortion Adjustment. .. 5-10
Frequency Dial Calibration ........ 5-]]
X]K Range Adjustments ......... 5-11
X]OO and XIOK Range Frequency
Calibration .................. 5-12
X]O Range Frequency Calibration ... 5-]2
XIM Range Frequency Calibration .. .5-12
X100K Range Frequency Calibration .5-]3
]0 MHz Flatness Adjustment ...... 5-]3
Output Adjustments ........... .5-]4
Normal Monitor Calibration ...... .5-]4
Expanded Monitor Calibration .... .5-] 5
After Calibration .............. 5-16
Troubleshooting Procedure ......... 5-16
Troubleshooting Information ..... .5-17
Troubleshooting the Oscillator
Circuit ................... .5-18
Troubleshooting the Power Amplifier .5-19
Troubleshooting the Attenuator .... 5-19
Servicing Etched Circuit Boards ...... 5-20
Servicing Rotary Switches .......... 5-20
Servicing Tuner Assembly .......... 5-20
Section
Page
VI. CIRCUIT DIAGRAMS ............... 6-1/6-2
6-1.
Introduction ................. 6-1/6-2
Section Page
VII. REPLACEABLE PARTS ............... 7-1
7-1.
Introduction ................... 7-1
7-4. Ordering Information ............. 7-1
7-6. Non-Listed Parts ................ 7-1
APPENDICES
A.
CODE LIST OF MANUFACTURERS
B. SALES AND SERVICE OFFICES
C. MANUAL BACKDATING CHANGES
iii