NEC FD1165 Manuals

Manuals and User Guides for NEC FD1165. We have 2 NEC FD1165 manuals available for free PDF download: Maintenance Manual

NEC FD1165 Maintenance Manual

NEC FD1165 Maintenance Manual (104 pages)

Flexible Disk Drive

Brand: NEC | Category: Storage | Size: 3.43 MB

Table of Contents

Table of Contents
5
Chapter 1 General Information

15
- Descri Ption
  15
- Construction and Features
  16
  - Base Frame
    16
  - Spindle Assembly
    16
- Fdl165 Flexible Disk Drive
  16
  - DC Direct Drive Spindle Motor
    17
  - Carriage Read/Write Assembly Heads
    17
  - Stepping Motor
    17
  - Head Load Cam Assembly
    17
  - Pop-Up Feature
    18
  - Index Sensor
    18
    
    Track Sensor
    18
  - Write Protect Sensor
    18
  - Media-In Sensor
    18
  - Collet Assembly
    18
  - Printed Circuit Board (PCB)
    18
    
    Variable Frequency Oscillator (Optional)
    18
  - Display Lamps
    19
  - Front Panel
    19
  - Movable Door Handle
    19
  - Door Lock Solenoid
    19
- Specifications
  19
- Fdl165 Specifications
  20
Chapter 2 Installation and Operation

21
- Preliminary Inspection
  21
- Unpacking and Repacking
  21
  - Unpacking Procedure
    21
  - Repacking Procedure
    21
    
    Preinsta11Ation Inspection
    23
- Environmental Requirements
  23
  - Operating Environment
    23
  - Space and Weight Data
    23
  - Mounting
    23
- Unpack I Ng
  23
- Model Fdl165 Physical Dimensions
  24
- Vertical Installation
  24
- Horizontal Installation
  24
- On-End Installation
  25
- Air Flow Requirements for Natural Air
  25
- POWER Supply
  26
  - Power Supply Specifications
    26
  - Power Connector
    26
- Power Connector Part Number
  26
  - Power Connector Pin Assignments
    27
- Power Connector Location
  27
- Pin and Line Assignments for the Power Connector
  27
- Interface Connection
  28
- Contact Arrangement for Edge Connector
  28
- Interface Connector
  28
- Terminator Resistors
  29
- Data and Control Interface Contact Assignments
  29
- Terminator Resistors and Jumper Locations on the PCB
  30
- Parallel and Series Configurations
  31
- Drive Identification (DX) Selection
  32
- Option Selection
  32
  - Head Load Jumper (HL)
    32
  - Radial Ready Jumper (RX)
    32
  - Side Select Jumper (SS)
    32
  - Write Protect Jumper (PR)
    33
  - File Unsafe Jumper (FR)
    33
  - Door Lock Jumpers (DL, DR, DH)
    33
  - DR Jumper
    33
  - DL Jumper
    33
  - DH Jumper
    33
  - In Use Pins (US)
    34
  - Read Data Pins (RD)
    34
  - Busy Lamp Jumpers (BU, BS)
    34
  - Busy Lamp on During Head Load
    34
- Door Lock Jumper Combinations
  34
  - Busy Lamp on During Drive Select
    35
  - Busy Lamp on During in Use
    35
- OPERATING the Fdl165
  35
  - Inserting a Flexible Disk
    35
- Closing the Door of the Fdl165
  35
  - Removing a Flexible Disk
    36
- Display Lamps
  36
  - Ready Lamp
    36
- Unlocking the Door and Removing the Flexible Disk
  36
  - Busy Lamp
    37
Chapter 3 Interface Information

39
- Basic Operational Description
  39
- Electrical Interface
  40
  - Signal Levels
    40
  - Driver/Receiver Circuits
    40
- Dr I Ve R /R Ece I Ve R CI R Cui T S
  40
- Interface Lines
  40
  - Interface Lines
    41
- Input Signals
  41
  - Head Load (HDL)
    42
  - Step (STP)
    42
  - Direction Select (DIR)
    42
  - Side Select (SSL)
    42
- Step Signal Timing
  42
  - Write Gate (WGT)
    43
  - Write Data (WDT)
    43
  - Low Write Current (LWC)
    43
- WGT Timing
  43
  - File Unsafe Reset (FUR)
    44
  - In Use (USE)
    44
- Output Signals
  44
  - Index (IDX)
    44
- Write Data Signal Ximing
  44
  - Track 00 (TKO)
    45
  - Dual-Sided (TSD)
    45
  - Ready (ROY)
    45
  - File Unsafe (FUS)
    45
  - Read Data (ROT)
    46
  - Write Protect (PRT)
    46
  - Disk Change (DCG)
    46
- Read Data Signal Timing
  46
- Vfo Interface Signals
  47
  - Modified Frequency Modulation Mode
    47
  - VFO Synchronization (SYC)
    47
  - Standardized Read Data (SRD)
    47
  - Window (WID)
    47
  - Disk Change Signal Timing
    47
- Interface Timing
  48
  - Power on Sequence
    48
  - Drive Select
    48
    
    Step and Track 00
    48
- Step and Track 00 Timing
  48
  - Access
    49
- Write
  
  49
  - Read
    50
  - Read Timing
    50
  - Maintenance Parts
    51
  - Maintenance Tools
    51
Chapter 4 Maintenance

52
Head Unload Spring in Relation to Spring Plate

55
Chapter 5 Adjustments

73
- Adj Ust.ments
  73
- Diagnostic Tests
  73
Location of Diagnostic Test Pins and Test Points

73
- Auto Tap Test
  74
- Auto Seek Test
  74
- Auto Seek and Auto Tap Test
  74
- HEAD UNLOAD Delay
  74
Test Points

75
- Adjustments and Checks Using the Alignment Flexible Disk
  75
- Test Points and Signals
  75
  - Head Radial Alignment Check or Adjustment
    76
- Head Radial Alignment Oscilloscope Settings
  76
- Head Radial Alignment Waveform
  77
  - Azimuth Check
    78
- Adjusting Head Radial Alignment
  78
- Head Azimuth Oscilloscope Settings
  78
  - Index Alignment Check or Adjustment
    79
- Index Alignment Oscilloscope Settings
  79
  - LED Assembly/Index Assembly Check and Adjustment
    80
- Index Alignment Waveform
  80
  - 00 Track Sensor Check or Adjustment
    81
- Track 00 Signal
  81
  - Write Protect Sensor Check or Adjustment
    82
  - Head Load Check
    82
- Trim Pots
  83
- Head Load Waveform
  83
- Fdl165 Flexible Disk Drive
  87
- G9NYF PCB Assembly
  87
- Table
  87
- Title
  87
- List of Illustrations
  87

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NEC FD1165 Maintenance Manual

NEC FD1165 Maintenance Manual (100 pages)

Flexible

Brand: NEC | Category: Floppy Disk Drive | Size: 3.07 MB

Table of Contents

Table of Contents
5
Chapter 1 General Information

16
- Base Frame
  16
- FD1165 Flexible Disk Drive
  16
- DC Direct Drive Spindle Motor
  17
- Pop-Up Feature
  18
- Display Lamps
  19
- FD1165 Specifications
  19
- Unpacking Procedure
  21
Chapter 2 Installation and Operation

22
Chapter 3 Interface Information

40
- Driver/Receiver Circuits
  40
- Signal Levels
  40
- Interface Lines
  41
- Step Signal Timing
  42
- WGT Timing
  43
- Write Gate (WGT)
  43
- File Unsafe Reset (FUR)
  44
- Index Signal Timing
  44
- Write Data Signal Timing
  44
- Track 00 (TKO)
  45
- Read Data Signal Timing
  46
- Write Protect (PRT)
  46
- Disk Change Signal Timing
  47
- VFO Synchronization (SYC)
  47
- Power on Sequence
  48
- Read Data and Window Signal Timing
  48
- Step and Track 00 Timing
  48
- Access Timing
  49
- Write Timing
  49
  - Read Timing
    50
Chapter 4 Maintenance

51
Chapter 5 Adjustments

73
- Diagnostic Tests
  73
- Location of Diagnostic Test Pins and Test Points
  73
  - Auto Tap Test
    74
  - Auto Seek Test
    74
  - Head Unload Delay
    74
  - Test Points
    75
- Adjustments
  75
- Test Points and Signals
  75
- Head Radial Alignment Check or Adjustment
  76
- Head Radial Alignment Oscilloscope Settings
  76
- Head Radial Alignment Waveform
  77
- Adjusting Head Radial Alignment
  78
- Head Azimuth Oscilloscope Settings
  78
  - Azimuth Check
    78
- Azimuth Waveform
  79
- Index Alignment Oscilloscope Settings
  79
  - Index Alignment Check or Adjustment
    79
- Index Alignment Waveform
  80
- Other Adjustments
  80
- Track 00 Signal
  81
  - Track Sensor Check or Adjustment
    81
  - Write Protect Sensor Check or Adjustment
    82
- Waveforms at TP7 and TP10
  81
- Head Load Waveform
  83
- Trim Pots
  83
- List of Illustrations
  87
- FD1165 Flexible Disk Drive
  89
- G9NYF PCB Assembly
  91

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