TM 11-6625-2735-14-1
TABLE OF CONTENTS (CONT.)
APPENDIX A REFERENCES
B COMPONENTS OF END ITEM LIST
Section
I.
INTRODUCTION
SCOPE
GENERAL
EXPLANATION OF COLUMNS
Il.
INTEGRAL COMPONENTS OF END ITEM
Ill. BASIC ISSUE ITEMS
APPENDIX C ADDITIONAL AUTHORIZATION LIST
D
Section I.
Fig.
No.
1-1
1-2
2-1
2-2
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
3-10
3-11
4-1
4-2
4-3
4-4
(Not Applicable)
MAINTENANCE ALLOCATION
INTRODUCTION
General
Maintenance Function
Page
B-1
B-1
B-1
Section Il.
B-1
Ill.
B-5
B-8
IV.
APPENDIX E
D-1
D-1
Section I.
Il.
Column Entries
Tool and Test Equipment Requirement
Remarks
MAINTENANCE ALLOCATION CHART
TOOL AND TEST EQUIPMENT
REQUIREMENTS FOR OSCILLOSCOPE
OS-261B(V)1/U
REMARKS
EXPENDABLE SUPPLIES AND
MATERIALS LIST
INTRODUCTION
Scope
Explanation of Columns
EXPENDABLE SUPPLIES AND
MATERIALS
LIST OF ILLUSTRATIONS
Oscilloscope OS-261B(V)1/U and OS-261C(V)1/U
Delay Time and Differential Time Measurement
Accuracy (Detailed)
Regulating Range Selector and Line Fuse.
Front panel and rear panel controls and connectors.
Basic block diagram of the 475.
Detailed block diagram of the Channel 1 Vertical
Preamplifier circuit.
Detailed block diagram of the Channel 2 Vertical
Preamplifier circuit.
Detailed block diagram of the Vertical Channel
Switching circuit
Detailed block diagram of the A Trigger Generator
circuit.
Detailed block diagram of the Sweep and Z-Axis
Logic circuits.
Detailed block diagram of the Sweep Generator
circuits.
Detailed block diagram of the Horizontal Amplifier
circuit
Detailed block diagram of the Power Supply circuit
Detailed block diagram of the CRT circuit.
Detailed block diagram of the Calibrator circuit.
Removing the standard cabinet.
Color codes for resistors and capacitors.
Lead configurations of semiconductors used in this
instrument.
Troubleshooting chart for the 475 Oscilloscope.
Page
No.
0-0
1-7
2-2
2-3
3-3
3-5
3-7
3-8
3-10
3-13
3-17
3-20
3-22
3-25
3-27
4-2
4-8
4-9
4-12
Fig.
No.
4-5
4-6
6-1
6-2
6-3
6-4
6-5
6-6
6-7
6-8
6-9
7-1
7-2
7-3
7-4
7-5
7-6
7-7
7-8
7-9
B-1
Locations of circuit boards in the 475
Oscilloscope.
Locations of power transformer secondary
wires.
Option 04 Schematic Diagram
Option 07 Simplified Block Diagram
Option 07 DC Inverter
Option 07 Primary Winding
Typical Battery Pack Discharge Curves
Circuit Board Layout with Test Voltages
Typical Idealized Waveforms
Inverter Balance
Option 07 Exploded View
A1 and A2 Boards Component Locations
A3 Board Component Locations
A4 Board Component Locations
A5 Board Component Locations
A6 Board Component Locations
A7 Board Component Locations
A8 Board Component Locations
A9 Board Component Locations
Cabinet Exploded View
Oscilloscope OS-261B(V)1/U and
OS-261C(V)1/U
Page
D-2
D-2
D-2
D-5
D-7
E-1
E-1
E-2
Page
No.
4-23
4-29
6-2
6-2.2
6-2.3
6-2.4
6-2.5
6-2.6
6.2.6
6.2.7
6.2.8
7-2
7-3
7-5
7-6
7-7
7-8
7-9
7-12
7-40
B-1
Change 1 iii
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