HP 6235A - Page 3

TABLE OF CONTENTS
Section Page
I GENERAL INFORMATION. 1-1
1-1 DESCRIPTION. 1-1
1-7 SPECIFICATIONS AND SUPPLE¬
MENTAL CHARACTERISTICS. 1-1
1-9 OPTIONS.. 1-1
1-12 SAFETY CONSIDERATIONS .... 1-1
1-14 ACCESSORIES.. 1-1
1-16 INSTRUMENT AND MANUAL
IDENTIFICATION. 1-2
1- 1 8 ORDERING ADDITIONAL
MANUALS. 1-2
II INSTALLATION. 2-1
2- 1 INITIAL INSPECTION . 2-1
2-3 Mechanical Check. 2-1
2-5 Electrical Check.; . 2-1
2-7 INSTALLATION DATA. 2-1
2-9 Location. 2-1
2-11 Outline Diagram. 2-1
2-13 Rack Mounting. 2-1
2-15 Input Power Requirements. 2-1
2-18 Power Cable. 2-2
2- 2 2 REPACKING FOR SHIPMENT ... 2-2
III OPERATING INSTRUCTIONS ... 3-1
3- 1 INTRODUCTION. 3-1
3-3 CONTROLS AND INDICATORS. . 3-1
3-4 Line Switch. 3-1
3-5 Voltage and Current Metering .... 3-1
3-8 Voltage Controls. 3-1
3-10 TURN-ON CHECKOUT
PROCEDURES. 3-1
3-13 LINE VOLTAGE OPTION
CONVERSION. 3-2
3-15 OPERATION. 3-2
3-17 Tracking Ratio. 3-3
3-19 Overcurrent Protection. 3-3
3-21 Operation Beyond Rated Output . . 3-3
3-23 Connecting Loads. 3-3
3-26 Parallel Operation.. . 3-3
3-28 Special Operating Considerations . . 3-3
Section Page
IV PRINCIPLES OF OPERATION ... 4-1
4-1 OVERALL OPERATION. 4-1
4-5 0 TO+18V REGULATED
SUPPLY. 4-1
4-8 Constant Voltage Operation. 4-1
4-12 Current Limit Operation. 4-2
4-14 Circuit Protection Components . . . 4-2
4-16 0 TO -18V REGULATED
SUPPLY. 4-2
4- 20 0 TO +6V REGULATED
SUPPLY . 4-2
V MAINTENANCE. 5-1
5- 1 INTRODUCTION. 5-1
5-4 TEST EQUIPMENT REQUIRED . . 5-1
5-6 PERFORMANCE TEST. 5-1
5-8 General Measurement Techniques. . 5-2
5-15 Rated Output, Tracking, Meter
Accuracy, and Current Limit . . 5-2
5-17 Load Effect (Load Regulation) ... 5-3
5-19 Source Effect (Line Regulation). . . 5-4
5-21 PARD (Ripple and Noise). 5-4
5-29 Load Transient Recovery Time . . . 5-5
5-32 TROUBLESHOOTING. 5-6
5-35 Troubleshooting Procedure. 5-6
5-38 Open Fuse Troubleshooting ..... 5-6
5-40 REPAIR AND REPLACEMENT. . . 5-7
5-41 Series Regulator Replacement .... 5-7
5-43 Semiconductor Replacement. 5-7
5-46 ADJUSTMENT AND
CALIBRATION . 5-7
5-47 Current Limit Adjustment . 5-7
5-50 Meter Calibration . 5-7
VI REPLACEABLE PARTS. 6-1
VII CIRCUIT DIAGRAMS . 7-1
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