Model 141A
LIST
OF
ILLUSTRATIONS
List of Illustrations
List of Tables
Number Title Page
1-1.
Model 141A Oscilloscope with Model
1400A Amplifier and Model 1402A
Plug-ins
................
1
-
1
2-1.
Rack Mounting Procedure-
.......
*
2-2
3-1.
3-2.
3-3.
3-4.
3-5.
3-6.
3-7.
3-8.
3-9.
Model 141A Controls
..........
.
3-2
Background Illumination
........
*
3-4
Variable Persistence
...........
3-4
Single-Shot Trace Bloom
........
3-4
Single-Shot, No Bloom
*
- -
.
.
-
.
.
.
3-4
Fade Positive
.............
* *
3-5
Single-Shot,
Fast
Sweep
a
- -
.
-
3-5
Single-Shot, Fade Positive
.......
*
3-5
Storage Mesh Imperfections
.
- -
. .
*
3-5
4-1. Model 141A Block Diagram.
.....
4-1
4-2. Regulated Power Supply Block
4-3. High-Voltage Power Supply Block
Diagram
................
4-2
Diagram
..............
*
.
4-3
Number
4-4.
5-1.
5-2.
5-3.
5-4.
5-5.
5-6.
5-7.
5-8.
5-9.
5-10.
5-11.
5-12.
5-13.
6-1.
Title
Page
Pulse Circuit Block Diagram
.....
4-4
Component Locations, Bottom View. 5-3
Component Locations, Top View
-
.
5-5
High-Voltage Deck Removal
......
5-9
High-Voltage Deck Board
.......
5-10
Component Identification, Horizontal
Component Identification, -High-Voltage
Board
................
5-13
Low-Voltage Schematic Diagram
- -
5-14
High-Voltage Schematic Diagram
-
5-15
Component Identification, Low-Voltage
Board
................
5-15
Waveforms
..............
*
5-16
Pulse Circuit Schematic Diagram
-
-
.
5-17
Component Identification, Pulse
Circuit
..............
*
5-18
Plug-In Jack Connection.
a
-
.
-
5-18
Driver Board
............
5-13
Cabinet Parts, Exploded View.
9
.
.
6-2
LIST
OF
TABLES
Number Title Page Numer
Title
Page
1-1.
Specifications
..............
1-0 5-4. Troubleshooting the High-Voltage
Troubleshooting the
Low
-
Voltage
1-2.
Plug-Ins for Model 141A Oscilloscope
. .
1-2
Supply,
NO
Voltage
-
* *
*
* *
-
*
5-6
5
-
5.
Supply.
...............
5-
7
2-1. Shipping Carton Test Strengths
* * *
-
-
2-2 5
-
6. Troubles hooting High- Voltage Supply
;
Incorrect Voltage-
* * *
-
.
5-
8
4-1. Current Capability
* *
.
.
*
-
.
4-5 5-7. Schematic Diagram Notes
.
- -
*
5-11
5-1. Equipment Required for Tests and 6-1.
List
of Reference Designators and
...........
Adjustment.
.............
.
5-0 Abbreviations.
6-
1
5-2. Low Voltage Adjustments
-
*
*
*
-
*
-
*
5-2 6-2. Replaceable
Parts
*
-
* *
*
6-3
5-3. Condensed Adjustment Procedure
*
-
5-4 6-3. Code List
of
Manufacturers
*
.
6-12
02567-1
iii