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NOVA ECLIPSE 6234
Data General NOVA ECLIPSE 6234 Manuals
Manuals and User Guides for Data General NOVA ECLIPSE 6234. We have
1
Data General NOVA ECLIPSE 6234 manual available for free PDF download: Service Manual
Data General NOVA ECLIPSE 6234 Service Manual (174 pages)
Brand:
Data General
| Category:
Storage
| Size: 11.28 MB
Table of Contents
Table of Contents
5
Figure Number
9
Title Page
9
Description of Models
11
Subsystem Model Numbers
11
Data General Corporation (DGC) Has Prepared this Manual for Use by DGC Personnel and Customers as a Guide to the Proper Installation, Operation, and Maintenance of DGC Equipment and Software. the Drawings and Specifications Contained Herein Are the Proper
11
Model 6234 Suffix Number Power Requirements
12
Performance Data
13
Model 6234 Controller Pcb
14
6234 Controller PCB
14
Model 6280 Controller Pcb
15
1-4. 6280 Controller Pcb
16
Introduction
11
The Rigid Drive
17
Relationship to Other Products
18
Field Replaceable Units (Fru)
18
Data General Corporation (OGC) Has Prepared this Manual for Use by DGC Personnel and Customers as a Guide to the Proper Installation, Operation, and Maintenance of DGC Equipment and Software. the Drawings and Specifications Contained Herein Are the Proper
19
Control Switches and Indicator Lamps
20
Front Panel ON/OFF Switch and Indicators
21
Unit Select and Write Protect Switches
22
Operating Procedures
20
3.1 Model 6234 Controller Pcb
23
6234/6280 Disk Subsystem
23
Drive Control Logic
25
32-Word FIFO
26
I/O Control
28
Head Prex:ompensation
28
Model 6234/6280 Head Precompensation
28
Sealed Data Module
29
Head Positioner
29
Flexible Disk Transfer Logic
26
Hard Disk Control/Microprocessor
26
Model 6280 Controller Pcb
26
Rigid Disk Transfer Logic
26
Head Positioner
30
Sector Transducer and Sector Disk
31
Sector Disk
31
Clean Air System
32
Read/Write and Clock Pcb
33
Read Clock
34
Read/Write and Clock PCB Block Diagram
34
Write Circuits
34
Ac Power Distribution Pcb
37
Power Supply Pcb
37
Format Operation
39
Sector Format Description
39
Sector Interleaving
40
Address Header
41
Data Field
41
R/W Sector Format
41
Power Switch Wire Connections
47
Power Supply PCB LED Locations
48
Power Supply PCB Connector Jl Voltages
48
Model 6234 Disk Controller Cable
51
Fuse Check Flowchart
55
Power Supply PCB Connectors
59
Power Supply PCB Check Flowchart
60
Power Supply PCB Voltage Checks
61
AC Distribution PCB
62
Power Transformer Tl Connectors
62
Read/Write and Clock PCB Connectors
63
Transformer Check Flowchart
64
Relay Check Troubleshooting Flowchart
65
AC Power Distribution PCB Mounted on Rear Cover
66
Spindle Motor Check Flowchart
67
Read/Write and Clock PCB Troubleshooting Flowchart
69
Questions Asked by the Diagnostic Program
74
Reliability Program Starting Addresses
82
Questions Asked by the Reliability Program
83
Reliability Statistics Log Example
88
Reliability Program Output and Error Description
90
Questions Asked by the Diagnostic Program
97
Model 6280 Sample Error Report
102
Reliability Program Starting Addresses
105
Questions Asked by the Reliability Program
106
Reliability Program Descriptions
107
Reliability Program Descriptions
109
Reliability Error Descriptions
113
Sealed Data Module
131
Model 6234/6280 Site Preparation Requirements
148
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