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M2622S
Manual
Fujitsu M2622S Manual
Intelligent disk drives
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Also See for M2622S
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Specification & installation instructions
(145 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Glossary
Referenced Standards
Chapter 1 Specifications and Unit Configuration
Model Specifications
Model Name and Part Number
IDD Model/Part Number Table
Function Specifications
Environmental Specifications
Error Rate
Reliability
Mounting Requirement
Exterior Dimensions
Exterior Dimensions (M2624S Without Front Panel)
Exterior Dimensions (M2624S with Front Panel)
Mounting
Notes on Mounting
IDD Orientation
Mounting Frame Structure
Surface Temperature Specification
Surface Temperature Measuring Point
Service Clearance Area
Power Supply Requirement
Current Waveform ( + 12VDC)
Power On/Off Sequence
Power On/Off Sequence
Connection Requirement
Connectors
AC Noise Filter (Recommended)
Positions of Connectors
Power Supply Connector
Signal Assignment on SCSI Connector
SG Terminal
External LED Connector
Cable Connection Requirements
Cable Connection
Recommended Components for Connection
Connection of SCSI Cable
SCSI Terminating Resistor
Settings
Setting Terminals
SCSI Terminating Resistor Module
Positions of Connectors, Pins, and Terminating Resistor
Setting Terminal: CNH7
Setting Terminals (Cnhl, CNH2)
Setting Terminal: Cnhl
Configuration of SCSI Terminating Resistor Circuit
Setting Terminal: CNH2
Setting Parameters
Dismounting Drives
Chapter 2 Diagnostics and Maintenance
Maintenance Requirements
Danger and Warning
Maintenance Requirements
Maintenance Level
Machine Revision Number
Machine Revision Number Label
Tool and Test Equipments
Self-Diagnostic Function
Test
Machine Revision Number Indication
Test Flow Chart
Operation Confirmation
Initial Seek Operation Confirmation
Operation Test
Diagnostic Test
Troubleshooting Procedure
Disk Drive Replacement at Field Troubleshooting
System Level/Troubleshooting at Customer Site
Troubleshooting at Repair Center
Trouble Separation of Disk Drive
Parts Replacement at Factory Troubleshooting
Trouble Separation
Chapter3 Fault Isolation
Collecting Trouble Analysis Data
Sense Data
Sense Key, Sense Code, and Sub Sense Code
Extended Sense Data Format
Analyzing Sense Data
Trouble Information by Sense Data
Relation between Sense Data and Error Status
Sense Data (4-01-00), (4-02-00), (4-03-XX), (4-40-XX), (4-44-XX), (4-C4-04)
(4-C4-09), and (4-C4-0A)
Sense Data (4-01-00), (4-02-00), (4-03-XX), (4-40-XX), (4-44-XX)
Sense Data (1-Lx-XX), (3-Lx-XX): Medium Read Error
Medium Read Error
Sense Data (5-2X-XX), (5-3D-OO), 5-90-00), (1-47-XX), and (3-47-XX)
SCSI Interface Failure
Sense Data (4-C4-03): Spindle Motor Timeout
Sense Data (4-C4-05): Low Power Voltage
Low Power Voltage
Sense Data (6-5C-02): Spindle Synchronization Is Broken
Spindle Synchronization Is Broken
Chapter 4 Removal and Replacement Procedures
Spare Parts
Disk Drive Model and Part Number
Disk Drive Removal
Outline
Subassemblies
Circuit Configuration
Power-On Sequence
Head Structure
Circuit Configuration
Power-On IDD Operation Sequence
Self-Calibration
Self-Calibration Contents
Execution Timing of Self-Calibration
Command Processing During Self-Calibration
Self-Calibration Execution Timechart
Read/Write Circuit
Head IC
Write Circuit
Read/Write Circuit
Write Precompensation Algorithm
Read Circuit
Pulse Detector Block Diagram and I/O Waveforms
Write Modulation Frequency Variable Circuit
Servo Control
Servo Control Circuit
Write Modulation Frequency and Recording Density (BPI) of each Zone
Block Diagram of Servo Control Circuit
Servo Signal to Position Sense Signal Conversion
Conversion Data Surface Servo Signal to Offset Sense Signal
Servo Surface Format
Servo Surface Format
Actuator Motor Control
Servo Format of Data Surface Special Cylinder
Spindle Motor Control
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M2622S/SA/SB
M2623S/SA/SB
M2624S/SA/SB
INTELLIGENT DISK DRIVES
CE MANUAL
o:>
FUJITSU
41 FH6868E-01
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Table of Contents
Troubleshooting
Diagnostic test
65
System level/troubleshooting at customer site
66
Troubleshooting at repair center
67
Parts replacement at factory troubleshooting
68
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This manual is also suitable for:
M2622sa
M2622sb
M2623s
M2623sa
M2623sb
M2624s
...
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M2624sa
M2624sb
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