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Manuals and User Guides for Wang 4230A. We have
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Wang 4230A manual available for free PDF download: Maintenance Manual
Wang 4230A Maintenance Manual (127 pages)
Brand:
Wang
| Category:
Desktop
| Size: 5 MB
Table of Contents
Table of Contents
3
Scope and Pul'."Pose
10
Organization and Layout
10
Microfiche Orgdnization
10
Identification Page
12
4230A Workstation Major Assemblies
13
4230A Workstation Monitor Major Parts
14
4230A Workstation Keyboard Major Parts
15
4230A Workstation Operator Controls
18
4230A Workstation Keyboard Operator Controls
18
4230A Workstation Monitor Operator Controls
19
4230A Workstation Keyboard Indicators
20
4230A Workstation Power-Up Procedure
24
4230A Workstation Monitor Brightness Adjustment
25
Powering-Off the 4230A Workstation
26
4230A Workstation Power-Up Diagnostic Screens
26
Loop-On BIT Test
29
Keyboard Test
29
Refresh Test
30
Diagnostic Screen Error Messages
31
4230A Workstation Operating Precaution
31
Preventive Maintenance Page
33
Materials Required
34
Cleaning the 4230A Workstation
34
Troubleshooting Page
36
Introduction
37
Running the Keyboard Q4Agnostic
37
4230A Workstation Troubleshooting Flowchart
39
Normal Power-Up Display Screens
40
Alignment "HO" Test Pattern
44
Screen Standards
46
Error Messages
46
4230A Workstation BIT Test/Error Codes
47
4230A Workstation Power-Up Failure Diagnosis
48
Repair
51
Tools and Test Equipment
51
4230A Workstation Monitor Disassembly
51
4230A Workstation Monitor Rear Cover Removal
51
4230A Workstation Monitor Cover Removal
52
4230A Workstation Monitor Cover Removed
53
4230A Workstation Monitor CRT Discharge Procedure
54
4230A Workstation Monitor Data Link PCA Removal
54
CRT Second Anode Discharge Procedure
55
4230A Workstation Monitor Data Link PCA Removed
58
4230A Workstation Monitor Power Supply PCA Removal
59
4230A Workstation Monitor Power Supply PCA Removed
62
4230A Workstation Monitor Reassembly
63
Adjustment Page
65
Special Tools
66
4230A Workstation Monitor Power Supply Adjustments
66
4230A Workstation Keyboard Adjustments
66
Video Test Patterns (Attributes Display)
66
4230A Workstation Power Supply PCA Adjustments
67
4230A Workstation Monitor Power Supply (J4) Connector
68
Video Alignment Test Pattern
70
Unpacking and Setup Page
72
Unpacking the 4230A Workstation Components
73
Unpacking the 4230A Workstation Monitor
73
Unpacking the 4230A Workstation Keyboard
74
Claims Information
75
Monitor/Keyboard Connection
75
Connecting the System Cable
76
System Cable Connection to the Rear of the Monitor
76
Monitor and Keyboard Connections
75
Connecting the Keyboard to the Monitor
75
System Cable Connections
76
Connecting the AC Power Cable
77
4230A Workstation Monitor Voltage Select Switch
77
Checking the Voltage Setting
77
Installing the Monitor-Tilt Mechanism
78
4230A Workstation Power-Up Procedure
78
Powering-Off Th~ 4230A Workstation
81
4230A Workstation Power-Up Diagnostic Screens
81
Loop-On BIT Test
84
Keyboard Test
84
Refresh Test
85
Diagnostic Screen Error Messages
86
4230A Workstation Operating Precaution
86
Functional Description Page
88
Introduction
89
4230A Workstation General Features
89
Basic Operation
90
Power-Up Sequence
90
Memory Organization
93
Memory Parity
93
Pictoral Representation of Memory Organization
94
Block Memory Decode
94
Character Mapped Memory
95
Attribute Mapped Memory
95
Font Memory
96
Superscripted/Subscripted Font Memory Pixel Pattern
97
Character Set Control
98
Underline Control
98
Horizontal and Vertical Scrolling
98
Keyboard
99
Keyboard Interface
99
Transfers
100
Switch Settings
100
WL-3010 Video Controller Chip
101
Generation of CRT Display
101
CRT Timing
102
Data Input Com.rnands
102
Data Input Commands
103
Specifications Page
105
Scope and Purpose of Manual
106
Applicable Documentation
106
System Specifications
106
Scope
111
4230A Workstation Keyboard
112
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