HP 70004A Manuals

Manuals and User Guides for HP 70004A. We have 3 HP 70004A manuals available for free PDF download: Service Manual, Installation And Verification Manual

HP 70004A Service Manual

HP 70004A Service Manual (131 pages)

Color Display

Brand: HP | Category: Monitor | Size: 0.86 MB

Table of Contents

General Safety Considerations
5
Servicing at a Glance
6
In this Book
8
Contents
9
Figures List
11
Tables List
11
What Is Servicing?
14
When Is Servicing Needed?
14
Determining Your Color Display's Serial Number
15
Packaging for an 8/8 Module
18
Module Veri Cation Software
19
Before Extensive Servicing
21
If an E Is Flashing in the Display Status Box
22
Troubleshooting
23
Preparing a Static-Safe Work Station
24
Reducing ESD Damage
25
Accessories
25
If Display-Disruptive Errors Occur
26
If Hardware-Warning Errors Messages (6000-6999) Occur
29
If Hardware Error Messages (7000-7999) Occur
30
Overall Block Diagram of Color Display
32
Display Troubleshooting
33
A5 Processor Diagnostics Location
34
Power Supply Diagnostic Tools
35
Display Diagnostic Tools, Turn-On
35
Display Diagnostic Tools, Front-Panel
35
Display Diagnostic Tools, Failures
36
HP-MSIB Diagnostic Tools
36
Test Pattern Diagnostic Tools
37
Decimal/Hexadecimal Conversion
37
Troubleshooting the Power Supply
38
No Observed Power. the Front-Panel Power Indicator Is off
42
Voltage Selector Switch
42
The Fault Indicator Light (A4DS6) Is Lit
43
The I Limit Fault Indicator Light (A4DS5) Is Lit
48
Front-Panel Line Indicator Is Off. Modules Have Power
50
Normal Operation Except Display Is Blank
51
Front-Panel Indicators Normal, no Module Power
53
Component-Level Hints
54
Display and Processor Troubleshooting
55
Identifying the Failed Assembly
55
Display Disruptive Messages
55
Abnormal CRT Display
55
Memory Card Troubleshooting
56
Processor Component-Level Troubleshooting
56
Select Mode Test
56
Test Descriptions
58
Service Tests
60
Troubleshooting Leds and DIP Switch Map
61
Service Test List
63
HP-MSIB and HP-IB Troubleshooting
69
HP-MSIB Fault Indicator Light Is Lit
70
HP-MSIB Troubleshooting, HP-MSIB Light Is off
72
HP-MSIB Module Connector
74
HP-IB Troubleshooting
75
Recommended Test Equipment Tables
77
Adjustment Procedures
79
Power Supply Adjustments
80
Low Line Adjustment
82
Current Limit Adjustment
85
Output Voltage Adjustment
87
+65 Volt Adjustment
89
Monitor Adjustments
91
Vertical Centering Adjustment
92
Display Intensity Adjustment
92
Module Veri Cation Tests
93
Equipment Calibration
95
Replacing Major Assemblies
97
Front Panel Replacement
98
Monitor/Monitor Bracket Replacement
100
Power Supply Replacement
104
Processor Replacement
107
HP-MSIB Replacement
110
Rear Frame
113
Custom Key-Panel Assembly Replacement
114
Overall Parts Identi Cation Drawings
115
Front View Identi Cation
118
Index
129

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HP 70004A Service Manual

HP 70004A Service Manual (130 pages)

Brand: HP | Category: Monitor | Size: 1.46 MB

HP 70004A Installation And Verification Manual

HP 70004A Installation And Verification Manual (64 pages)

Brand: HP | Category: Monitor | Size: 1.84 MB

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