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7475a
HP 7475a Manuals
Manuals and User Guides for HP 7475a. We have
2
HP 7475a manuals available for free PDF download: Operation And Interconnection Manual, Service Manual
HP 7475a Service Manual (69 pages)
GRAPHICS PLOTTER
Brand:
HP
| Category:
Plotter
| Size: 5.37 MB
Table of Contents
Table of Contents
2
Igeneral Information
6
Introduction
6
Specifications
6
Safety Considerations
6
Plotters Covered by Manual
6
Operating and Performance
6
Description
7
Line Voltage and Fuse Selection
7
Grounding Requirements
8
Options
8
Accessories Supplied
8
Recommended Test Equipment
8
Top Case Removal
8
Line Voltage Selection
9
Power Cord Configurations
10
Packaging for Shipment
11
Recommended Test Equipment
11
Test
12
Introduction
12
Rear Panel Switches
12
Basic Operating Test
12
Hewlett-Packard Graphics Language
13
Demonstration Plot
13
Test Program
13
Repeatability
13
Pl and P2 Button and Power Switch Locations
14
Test Program
17
Repeatability Test Points
21
Adjustments
22
Introduction
22
Replaceable Parts
23
Introduction
23
Exchange Assemblies
23
Replaceable Parts Lists
23
Ordering Information
23
Code List of Manufacturers
23
Designations and Abbreviations
23
Model 7475A Exploded View
31
Pen Carousel Parts
32
Reference Designations and Abbreviations
34
Product History
36
Introduction
36
History of Assemblies by Serial Prefix Number
36
History of Printed Circuit
36
Assemblies
36
Item Description
36
Date Codes
37
Service
40
Introduction
40
Simplified Theory of Operation
40
7475A Simplified Block Diagram
40
HP-IB Interface (Option 002)
41
RS-232-C/CCITT V.24 Interface Circuits
42
HP-IB Interface Circuits and Handshake
43
Microprocessor Circuit
44
Read Only Memory Circuit
44
Random Access Memory Circuit
44
Gate Arrays a and B
44
Pen Carousel
44
Motor Servo Systems
44
Quadrature Waveforms
44
Motor Supply Sensor Circuit
45
Motor Servo System Block
45
Motor Current Sensor Circuit
46
Pen down Circuit
46
Power Supplies
46
Recommended Test Equipment
46
Troubleshooting
46
Exchange Printed Circuit Assembly
46
Drive Motors and Pen Solenoid
46
Troubleshooting Table
47
Test a
47
Testb
47
Part Removal and Replacement
48
Top Case Removal
48
Pen Carousel Housing Removal
48
Pen Carousel Cable
48
Paper Drive Motor Assembly Removal
49
Pen Carousel Housing
49
Paper Drive Motor and Solenoid Cables
49
Paper Drive Motor Clamp and Pen Drop Shield
49
Pen Solenoid
50
Pen Drive Motor and Belt
50
Pen Carriage, Penholder, and Damper Removal
52
Pen Carriage
52
Pinch Rollers Removal and Replacement
53
Chassis Assembly Removal
53
Removal
54
Pinch Roller Mechanism Removal
54
Paper Drive Shaft and Coupler
54
Pinch Rollers
54
Underside of Chassis Assembly
54
Power Module and Transformer
55
Model 7475A
55
Power Module Removal
55
Power Module Wiring
56
Diagram
57
Schematic Diagram Notes
57
RS-232-C, Option 001 Schematic Diagram
65
HP-IB, Option 002 Schematic Diagram
67
Power Supply, Schematic Diagram
69
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HP 7475a Operation And Interconnection Manual (101 pages)
Graphics Plotter
Brand:
HP
| Category:
Plotter
| Size: 5.11 MB
Table of Contents
Table of Contents
5
Chapter 1: Owner's Information
9
Understanding Manual Conventions
10
Accessories Supplied
11
Input Power Requirements
12
Fuse Protection
13
Operator Maintenance
15
Pen Carousel Cleaning
16
Chapter 2: Plotter Operation
19
Introduction to Programming Languages
20
AGL (a Graphics Language)
21
Introduction to the Plotter Coordinate System
22
Coordinate System Orientation
23
The Scaling Points PI and P2
25
AGL Scaling
26
Setting the Scaling Poin T S
27
Squeezing the Scaling Area ''''''
28
Rotating the Coordinate System
30
Controls and Indicators and Their Functions
32
Rear
38
Option 002 (HP·IB)
41
Setting up the Plotter
42
Choosing the Correct Pen and Medium
43
Loading the Plotting Medium
44
Turning on the Power
46
The Demonstration Plot/Confidence Test
49
Introduction
53
One Listed
54
Interconnection Instructions
56
Personal Computers (Compatibles Using RS-232-C Interface)
56
Testing Communication with BASIC
58
Interconnection Instructions
67
Commodore Amiga Personal Computers (Serial Interface)
69
Interconnection Instructions
69
Erifying Communication
71
HP Series 200 Personal Technical Computer (HP- I B Interface)
72
Interconnection Instructions
72
Running the Test Program
73
HP Touchscreen Personal Computer (HP 150) ( RS-2 3 2-C Interface)
74
Interconnection Instructions
74
Running the Test Program
76
HP Touchscreen Personal Computer (HP 150 )
77
(HP-IB Interface)
77
Interconnection Instructions
77
Double-Matte Polyester Film
84
Fiber-Tip Pens
85
Drafting Pens
85
Combining Pens and Media
85
A-IRS-2 3 2-C Cable Schematics
88
HP V Ectra, ES/12, QS/16, and
95
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