Digital Systems Texas Instruments 980B Manuals

Manuals and User Guides for Digital Systems Texas Instruments 980B. We have 2 Digital Systems Texas Instruments 980B manuals available for free PDF download: Maintenance Manual

Digital Systems Texas Instruments 980B Maintenance Manual

Digital Systems Texas Instruments 980B Maintenance Manual (136 pages)

For Computers

Brand: Digital Systems | Category: Power Supply | Size: 7 MB

Table of Contents

Table of Contents
3
Model 960B and 980B Computer Power Supply
6
Section I
7
Introduction
7
Scope of Manual
7
Description of Power Supply
7
Power Supply Specifications
7
Battery
7
Input Power Characteristics
8
Overvoltage Protection Tolerances
9
Installation
10
Power Supply Installation
10
Power Supply Removal
11
Power Supply Position Within Chassis
12
Operation
13
General
13
Power Supply Controls
13
Power Supply Rear Panel Controls
13
Theory of Operation
15
General Theory
15
Regulation
15
Switching Regulator Circuit Diagram
16
Switching Regulator Waveforms
17
Sequencing and Control
18
Overvoltage Protection
19
Over Current Protection
20
Current Limiting Circuitry for Series Regulators
20
Battery Charging
21
Current Limiting Circuit for Switching Regulator
21
Detailed Theory
22
MAIN Regulator and Control
22
Battery Charging System
22
Power Supply Block Diagram
23
Switching Regulator Waveforms
25
Commutating Diode Waveform - no Load
26
Turn-On Sequence Timing
29
Turn-Off Sequence Timing
29
All Regulator up Sensor Levels
30
Memory, Auxiliary, and Reference Regulator
32
Volt Regulator
37
Rectifier, Filter, and Output
37
Logic Control Signals
38
Maintenance
40
Introduction
40
Preventive L\1A Intenanc E
40
Clean Air Filter
40
Battery Check
41
Battery Test Chart
43
Test Equipment
44
Trouble Analysis
44
Failure Types
46
Failure Location
48
Signal Waveforms
55
Figure
56
Waveform 10
63
Overvoltage Protection and Power Distribution
132
Functional Diagram
132
Physical and Environmental Characteristics
132
Output Power Characteristics
132
Overvoltage Sensor Trigger Levels
132
Waveform
133
Test Equipment for Power Supply Maintenance
133

Advertisement

Digital Systems Texas Instruments 980B Maintenance Manual

Digital Systems Texas Instruments 980B Maintenance Manual (79 pages)

Memory, Memory Controller And Direct Memory Access Channel DMAC

Brand: Digital Systems | Category: Desktop | Size: 4 MB

Table of Contents

Advertisement

Related Products

Digital Systems Texas Instruments 960B

Digital Systems Categories

GPS

GPS Automobile Accessories

Desktop

Power Supply

Power Supply Security System

More Digital Systems Manuals