608
Instruction
TABLE OF CONTENTS
PAGE
LIST OF ILLUSTRATIONS
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LIST OF TABLES
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OPERATORS SAFETY INFORMATION
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SERVICE SAFETY INFORMATION .
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SECTION
1
GENERAL INFORMATION
INTRODUCTION .
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1-1
OPERATORS MANUAL
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1-1
INSTRUCTION MANUAL ..................................................
1 -1
SPECIFICATION
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1-2
STANDARD ACCESSORIES
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1-5
INSTRUMENT PACKAGING
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1-7
S ECTION
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OPERATING INSTRUCTIONS
AMBIENT TEMPERATURE CONSIDERATIONS
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2-1
CONTROLS AND CONNECTORS
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2-1
DETAILED OPERATING INFORMATION ..
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2-1
INPUT SIGNAL REQUIREMENTS
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2-1
FUNCTIONAL CHECK
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2-4
TEST EQUIPMENT REQUIRED .
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2-4
PRELIMINARY SET UP
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2-4
DISPLAY FUNCTIONS
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2-4
DEFLECTION AND Z·AXIS FUNCTIONS
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2·5
WARNING
THE REMAINING PORTION OF THIS TABLE OF
CONTENTS LISTS THE SERVICING INSTRUCTIONS.
THESE SERVICING INSTRUCTIONS ARE FOR USE BY
QUALIFIED PERSONNEL ONLY.
TO AVOID
ELECTRICAL SHOCK. DO NOT PERFORM ANY
SERVICING OTHER THAN THAT CALLED OUT IN THE
OPERATING INSTRUCTIONS UNLESS QUALIFIED TO
DO SO.
SECTION
3
INSTALLATION
OPERATING POWER INFORMATION ..
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3-1
POWER CORD INFORMATION
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3-1
LINE-VOLTAGE AND REGULATING RANGE
SELECTION
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3·2
INSTALLATION IN PATIENT·CARE FACILITIES .................
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Z·AXIS INPUT ATTENUATION SELECT10N
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RACKMOUNTING INFORMATION
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3-2
CABINET· TO·RACKMOUNT CONVERSION
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3-4
RACKMOUNT -TO-CABINET CONVERSION .
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3-4
INSTRUMENT DIMENSIONS
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3-4
SECTION
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THEORY OF OPERATION
BLOCK DIAGRAM
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4-1
DETAILED CIRCUIT OPERATION ....
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4-1
VERTICAL (Y) DEFLECTION AMPLIFIER .
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HORIZONTAL (X) DEFLECTION AMPLIFIER
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4-3
Z-AXIS AMPLIFIER
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4-3
DYNAMIC FOCUS
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4-4
HIGH·VOLTAGE POWER SUPPLY
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LOW-VOLTAGE POWER SUPPLY
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SECTION
5
MAINTENANCE
PREVENTIVE MAINTENANCE
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5·1
CLEANING .
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5-1
EXTERIOR .
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5·1
CRT
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5-1
INTERIOR
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5-1
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VISUAL INSPECTION
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5-'
SEMICONDUCTOR CHECKS
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5-2
PERIODIC ELECTRICAL ADJUSTMENT .
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5-2
TROUBLESHOOTING .
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5-2
TROUBLESHOOTING AIDS
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5·2
DIAGRAMS
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CIRCUIT BOARD ILLUSTRATIONS
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5-2
COMPONENT COLOR CODING
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SEMICONDUCTOR LEAD CONFIGURATIONS
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TROUBLESHOOTING EQUIPMENT .
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5-5
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CHECK CONTROL SETTINGS
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CHECK ASSOCIATED EQUIPMENT ..
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5-5
3.
VISUAL CHECK
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4.
CHECK INSTRUMENT ADJUSTMENT .
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5-6
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ISOLATE TROUBLE TO A CIRCUIT .
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6.
CHECK VOLTAGES AND WAVEFORMS .
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CHECK INDIVIDUAL COMPONENTS
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8.
REPAIR AND READJUST THE CIRCUIT
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CORRECTIVE MAINTENANCE .
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OBTAINING REPLACEMENT PARTS
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5-8
SPECIAL PARTS
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5-8
ORDERING PARTS .
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5·8
SOLDERING TECHNIQUES ..
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5-8
COMPONENT REMOVAL AND REPLACEMENT
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CATHODE·RAY TUBE REMOVAL..
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CATHODE-RAY TUSE REPLACE!'·,1ENT ..
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CIRCUIT BOARDS .
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SEMICONDUCTORS
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CIRCUIT·BOARD PIN REPLACEMENT
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5-14
SECTION 6 PERFORMANCE CHECK AND ADJUSTMENT
PRELIMINARY INFORMATION
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6·1
USING THIS PROCEDURE ..
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6-1
ADJUSTMENT INTERVAL .
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TEKTRONIX FIELD SERViCE
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TEST EQUIPMENT REQUiRED .
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SPECIAL FIXTURES
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TEST EQUIPMENT ALTERNATIVES
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PERFORMANCE CHECK AND ADJUSTMENT PROCEDURE
INDEX ....................... ..................................
.6-9
POWER UP SEQUENCE .
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A. POWER SUPPLy
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6-1 0
B. CRT CIRCUIT AND DYNAMIC FOCUS
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C. HORIZONTAL (X) AMPLIFIER
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D. VERTICAL (Y) AMPLIFIER
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E. Z-AXIS AMPLIFIER
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6·21
SECTION
7
REPLACEABLE ELECTRICAL PARTS
SECTION 8 DIAGRAMS AND CIRCUIT BOARD
ILLUSTRATIONS
SECTION
9
INSTRUMENT OPTIONS
SECTION
10
REPLACEABLE MECHANICAL PARTS
CHANGE INFORMATION