Table of Contents
List of Illustrations
TABLE OF
CONTENTS (cont'd)
Model
182C
Section
Page
Section
Page
VIII
SCHEMATICS AND TROUBLESHOOTING . .
8-1 8-35.
Low Voltage Power
Supply .... ,
8-3
8-1.
Introduction
.
.
8-1 8-41.
High Voltage Power Supply and
R-.3 Rchfimalins
8-1
Reaiilalor R-d
8-7,
Reference
Designations
.
8-1 8-46. Disassembly Information 8-4
R-1 1 Component 1 oration
8-1
8-49.
Cover Removal
R.d
8-14.
Troubleshooting
.
8-1 8-51. Power
Module Removal 8-5
8-19.
Preliminary Checkout
.
8-2 8-54.
Control Assembly Removal .... 8-5
8-21. Detailed Checkout
. 82
8-57.
AC Power Input Module
Removal .
8-5
8-24. Troubleshooting
Tables .
8-2
8-61. Sweep-Gate Assembly
Removal . .
8-6
8-26.
Repair and Replacement
.
8-2 8-63.
Gate
Amplifier
Assembly Removal
8-6
8-28. Servicing
Etched Circuit Boards . . . .
8-2 8-65.
Horizontal Module
Removal ....
8-6
8-30. Semiconductor Replacement
, . . .
8-3 8-67.
CRT Removal
8-6
8-33. Detailed Troubleshooting
.
8-3 869. High
Voltage
Module Removal
. .
8-7
LIST OF ILLUSTRATIONS
Figure Title Page
1-1.
Model 182C Oscilloscope
1-0
1-2.
Instrument
Identification 1-2
1-
3.
Model 182C Outline Dimensions
1-2
2-
1.
Contrast Filter Removal
2-2
3-
1.
Front and Rear Controls
and
Connectors
....
3-3
3-
2.
Phase Measurement
3-4
4-
1.
Overall Block Diagram 4-0
4-2, Simplified
Low Voltage
Power
Supply
4-2
4-
3. High Voltage Power Supply Block Diagram
..
4-5
5-
1. Cover Removal 5-3
5-2.
Low Voltage
Power
Supply
Adjustments
....
5-4
5-3.
Calibration Display 5-7
5-4.
Phase Adjustment Test Setup 5-7
5-5.
Transient Response
Adjustment
Test Setup
5-8
5-
6.
Adjustment Locations 5 9
6-
1.
Model 182C Mechanical Parts
6-0
6-2. Low
Voltage Power Module Exploded
View
6-3
6-3.
Series
Regulator Parts Identification 6-4
6-4. Control Module Mechanical Parts 6-6
6-5.
AC
Power Module Parts
Identification 6-8
6-6. Interconnect Module Parts Identification
....
6-1
1
6-7. Horizontal Amplifier Module
Mechanical
Parts 6-12
6-
8.
CRT Module Parts Identification
6-16
7-
1,
OptionOII Beam Finder
Schematic
7-4
7-2. Location of Option
01 1 Circuit Change
...
.
7-4
7-3.
Auxiliary Output Board Component
and
Connection Identification 7-5
7-4.
Auxiliary Output Schematic
7-5
7-5.
Low Voltage
Rectifier
(A1A1) Component
Identification
7-6
7-6.
Low Voltage Regualtor
(A1
A2)
Component
Identification
7.7
Figure
Title
Page
7-
7. Low
Voltage Power Supply
(AD
Schematic
2
7-8
8-
1.
Semiconductor Identification
8-3
8-2. Cover Removal
8-5
8
3.
Mainframe Component Identification
....
8-9
8-4. Interconnect Assembly (A3) Component
Identification 8-10
8-5. Mainframe Wiring Diagram, Schematic 1
8-11
8-6. Low Voltage Rectifier (A1A1) Component
Identification
8-12
8-7.
Low Voltage Regulator (A1 A2)
Component
Identification 8-12
8-8.
Low Voltage Power Supply
(A1)
Schematic 2
8-13/8-14
8-9.
Sweep-Gate Output Amplifier
(A8)
Component
Identification 8-15
8-10.
Sweep-Gate
Output Amplifier
(A8)
Schematic
3 8 15
8-11.
Gate Amplifier
(A7)
Component
Identification
8-16
8-12.
Gate Amplifier
(A7) Schematic 4
8-17
8-13. Horizontal Amplifier
(A5) Component
Identification 8-18
8-14.
Horizontal
Amplifier
{A5)
Schematic
5 . .
8
19
8-15. Control Module
(A2)
Component
Identification
8-20
8-16. Control Module
(A2) Schematic 6 8-21
8-17,
H.V. Oscillator
&
Rectifier
(A6)
Component Identification
8-22
8-18.
H.V. Multiplier
(All) 8-23
8-19.
H.V. Regulator (A10) Component
Identification
8-24
8-20.
High Voltage
Power
Supply Schematic
7
. .
8-25
8-21.
Horizontal Plug-In Connections,
Schematic
8 8-26
IV
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