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 Contents5................................................................................................................................................................
Chapter 1 General Information15................................................................................................................................................................
Descri Ption15................................................................................................................................................................
Construction And Features16................................................................................................................................................................
Base Frame16................................................................................................................................................................
Spindle Assembly16................................................................................................................................................................
Fdl165 Flexible Disk Drive16................................................................................................................................................................
Dc Direct Drive Spindle Motor17................................................................................................................................................................
Carriage Read/write Assembly Heads17................................................................................................................................................................
Stepping Motor17................................................................................................................................................................
Head Load Cam Assembly17................................................................................................................................................................
Pop-up Feature18................................................................................................................................................................
Index Sensor18................................................................................................................................................................
Track Sensor18................................................................................................................................................................
Write Protect Sensor18................................................................................................................................................................
Media-in Sensor18................................................................................................................................................................
Collet Assembly18................................................................................................................................................................
Printed Circuit Board (pcb)18................................................................................................................................................................
Variable Frequency Oscillator (optional)18................................................................................................................................................................
Display Lamps19................................................................................................................................................................
Front Panel19................................................................................................................................................................
Movable Door Handle19................................................................................................................................................................
Door Lock Solenoid19................................................................................................................................................................
Specifications19................................................................................................................................................................
Fdl165 Specifications20................................................................................................................................................................
Chapter 2 Installation And Operation21................................................................................................................................................................
Preliminary Inspection21................................................................................................................................................................
Unpacking And Repacking21................................................................................................................................................................
Unpacking Procedure21................................................................................................................................................................
Repacking Procedure21................................................................................................................................................................
Preinsta11ation Inspection23................................................................................................................................................................
Environmental Requirements23................................................................................................................................................................
Operating Environment23................................................................................................................................................................
Space And Weight Data23................................................................................................................................................................
Mounting23................................................................................................................................................................
Unpack I Ng23................................................................................................................................................................
Model Fdl165 Physical Dimensions24................................................................................................................................................................
Vertical Installation24................................................................................................................................................................
Horizontal Installation24................................................................................................................................................................
On-end Installation25................................................................................................................................................................
Air Flow Requirements For Natural Air25................................................................................................................................................................
Power Supply26................................................................................................................................................................
Power Supply Specifications26................................................................................................................................................................
Power Connector26................................................................................................................................................................
Power Connector Part Number26................................................................................................................................................................
Power Connector Pin Assignments27................................................................................................................................................................
Power Connector Location27................................................................................................................................................................
Pin And Line Assignments For The Power Connector27................................................................................................................................................................
Interface Connection28................................................................................................................................................................
Contact Arrangement For Edge Connector28................................................................................................................................................................
Interface Connector28................................................................................................................................................................
Terminator Resistors29................................................................................................................................................................
Data And Control Interface Contact Assignments29................................................................................................................................................................
Terminator Resistors And Jumper Locations On The Pcb30................................................................................................................................................................
Parallel And Series Configurations31................................................................................................................................................................
Drive Identification (dx) Selection32................................................................................................................................................................
Option Selection32................................................................................................................................................................
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 Jumper33................................................................................................................................................................
Dl Jumper33................................................................................................................................................................
Dh Jumper33................................................................................................................................................................
In Use Pins (us)34................................................................................................................................................................
Read Data Pins (rd)34................................................................................................................................................................
Busy Lamp Jumpers (bu, Bs)34................................................................................................................................................................
Busy Lamp On During Head Load34................................................................................................................................................................
Door Lock Jumper Combinations34................................................................................................................................................................
Busy Lamp On During Drive Select35................................................................................................................................................................
Busy Lamp On During In Use35................................................................................................................................................................
Operating The Fdl16535................................................................................................................................................................
Inserting A Flexible Disk35................................................................................................................................................................
Closing The Door Of The Fdl16535................................................................................................................................................................
Removing A Flexible Disk36................................................................................................................................................................
Ready Lamp36................................................................................................................................................................
Unlocking The Door And Removing The Flexible Disk36................................................................................................................................................................
Busy Lamp37................................................................................................................................................................
Chapter 3 Interface Information39................................................................................................................................................................
Basic Operational Description39................................................................................................................................................................
Electrical Interface40................................................................................................................................................................
Signal Levels40................................................................................................................................................................
Driver/receiver Circuits40................................................................................................................................................................
Dr I Ve R /r Ece I Ve R Ci R Cui T S40................................................................................................................................................................
Interface Lines40................................................................................................................................................................
Input Signals41................................................................................................................................................................
Head Load (hdl)42................................................................................................................................................................
Step (stp)42................................................................................................................................................................
Direction Select (dir)42................................................................................................................................................................
Side Select (ssl)42................................................................................................................................................................
Step Signal Timing42................................................................................................................................................................
Write Gate (wgt)43................................................................................................................................................................
Write Data (wdt)43................................................................................................................................................................
Low Write Current (lwc)43................................................................................................................................................................
Wgt Timing43................................................................................................................................................................
File Unsafe Reset (fur)44................................................................................................................................................................
In Use (use)44................................................................................................................................................................
Output Signals44................................................................................................................................................................
Index (idx)44................................................................................................................................................................
Write Data Signal Ximing44................................................................................................................................................................
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 Timing46................................................................................................................................................................
Vfo Interface Signals47................................................................................................................................................................
Modified Frequency Modulation Mode47................................................................................................................................................................
Vfo Synchronization (syc)47................................................................................................................................................................
Standardized Read Data (srd)47................................................................................................................................................................
Window (wid)47................................................................................................................................................................
Disk Change Signal Timing47................................................................................................................................................................
Interface Timing48................................................................................................................................................................
Power On Sequence48................................................................................................................................................................
Drive Select48................................................................................................................................................................
Step And Track 0048................................................................................................................................................................
Step And Track 00 Timing48................................................................................................................................................................
Access49................................................................................................................................................................
Write49................................................................................................................................................................
Read50................................................................................................................................................................
Read Timing50................................................................................................................................................................
Maintenance Tools51................................................................................................................................................................
Maintenance Parts51................................................................................................................................................................
Removal And Replacement Procedures52................................................................................................................................................................
Pcb Removal52................................................................................................................................................................
Collet Assembly Removal, Replacement, And Adjustment53................................................................................................................................................................
Removing The Collet Assembly53................................................................................................................................................................
Replacing The Collet Assembly54................................................................................................................................................................
Head Unload Spring In Relation To Spring Plate55................................................................................................................................................................
Position Of The Spring Plate55................................................................................................................................................................
Carriage Assembly Removal And Replacement56................................................................................................................................................................
Carriage Assembly Position On The Base Frame57................................................................................................................................................................
Head Load Cam Assembly And Head Load Removal And Replacement58................................................................................................................................................................
Write Protect Sensor And Media-in Sensor Removal And Replacement59................................................................................................................................................................
Installing The Head Load Cam Assembly59................................................................................................................................................................
Optical Tachometer Sensor Removal And Replacement60................................................................................................................................................................
Write Protect Or Media-in Sensor Connections60................................................................................................................................................................
Installing The Write Protect Or Media-in60................................................................................................................................................................
Sensor60................................................................................................................................................................
Removing The Replacing The Optical61................................................................................................................................................................
Tachometer Sensor61................................................................................................................................................................
Figure61................................................................................................................................................................
Removing The Sensor Cable Assembly62................................................................................................................................................................
Sensor Cable Assembly63................................................................................................................................................................
Installing The Index Sensor63................................................................................................................................................................
Removing And Replacing The Carbon Brushes64................................................................................................................................................................
Removing A Carbon Brush64................................................................................................................................................................
Armature Removal65................................................................................................................................................................
Removing The Armature65................................................................................................................................................................
Spindle Assembly Removal66................................................................................................................................................................
Removing The Spindle Assembly66................................................................................................................................................................
Front Panel Removal67................................................................................................................................................................
Picker Rod Removal And Replacement67................................................................................................................................................................
Removing The Front Panel67................................................................................................................................................................
Pop-up Assembly Removal And Replacement68................................................................................................................................................................
Adjusting The Picker Rod68................................................................................................................................................................
Guide Rail Removal69................................................................................................................................................................
Checking The Operation Of The Pop-up Feature69................................................................................................................................................................
Removing The Pop-up Assembly And Guide Rail69................................................................................................................................................................
Door Lock Solenoid Removal And Replacement70................................................................................................................................................................
Removing The Door Lock Solenoid70................................................................................................................................................................
Adjusting The Door Lock Solenoid71................................................................................................................................................................
Adjustments73................................................................................................................................................................
Adj Ust.ments73................................................................................................................................................................
Diagnostic Tests73................................................................................................................................................................
Location Of Diagnostic Test Pins And Test Points73................................................................................................................................................................
Auto Tap Test74................................................................................................................................................................
Auto Seek Test74................................................................................................................................................................
Auto Seek And Auto Tap Test74................................................................................................................................................................
Head Unload Delay74................................................................................................................................................................
Test Points75................................................................................................................................................................
Adjustments And Checks Using The Alignment Flexible Disk75................................................................................................................................................................
Test Points And Signals75................................................................................................................................................................
Head Radial Alignment Check Or Adjustment76................................................................................................................................................................
Head Radial Alignment Oscilloscope Settings76................................................................................................................................................................
Head Radial Alignment Waveform77................................................................................................................................................................
Azimuth Check78................................................................................................................................................................
Adjusting Head Radial Alignment78................................................................................................................................................................
Head Azimuth Oscilloscope Settings78................................................................................................................................................................
Index Alignment Check Or Adjustment79................................................................................................................................................................
Index Alignment Oscilloscope Settings79................................................................................................................................................................
Led Assembly/index Assembly Check And Adjustment80................................................................................................................................................................
Index Alignment Waveform80................................................................................................................................................................
00 Track Sensor Check Or Adjustment81................................................................................................................................................................
Track 00 Signal81................................................................................................................................................................
Write Protect Sensor Check Or Adjustment82................................................................................................................................................................
Head Load Check82................................................................................................................................................................
Trim Pots83................................................................................................................................................................
Head Load Waveform83................................................................................................................................................................
G9nyf Pcb Assembly87................................................................................................................................................................
Table87................................................................................................................................................................
Title87................................................................................................................................................................
List Of Illustrations87................................................................................................................................................................

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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 Contents5................................................................................................................................................................
Fd1165 Flexible Disk Drive16................................................................................................................................................................
Base Frame16................................................................................................................................................................
Dc Direct Drive Spindle Motor17................................................................................................................................................................
Pop-up Feature18................................................................................................................................................................
Fd1165 Specifications19................................................................................................................................................................
Display Lamps19................................................................................................................................................................
Unpacking Procedure21................................................................................................................................................................
Unpacking22................................................................................................................................................................
Preinstallation Inspection23................................................................................................................................................................
Horizontal Installation24................................................................................................................................................................
Air Flow Requirements For Natural Air Cooling25................................................................................................................................................................
Power Supply Specifications26................................................................................................................................................................
Power Connector Part Number26................................................................................................................................................................
Power Connector Location27................................................................................................................................................................
Pin And Line Assignments For The Power Connector27................................................................................................................................................................
Contact Arrangement For Edge Connector28................................................................................................................................................................
Interface Connector28................................................................................................................................................................
Interface Connection28................................................................................................................................................................
Data And Control Interface Contact Assignments29................................................................................................................................................................
Terminator Resistors29................................................................................................................................................................
Terminator Resistors And Jumper Locations On The Pcb30................................................................................................................................................................
Parallel And Series Configurations31................................................................................................................................................................
Drive Identification (dx) Selection32................................................................................................................................................................
File Unsafe Jumper (fr)33................................................................................................................................................................
In Use Pins (us)34................................................................................................................................................................
Closing The Door Of The Fd116535................................................................................................................................................................
Busy Lamp On During Drive Select35................................................................................................................................................................
Unlocking The Door And Removing The Flexible Disk36................................................................................................................................................................
Busy Lamp37................................................................................................................................................................
Driver/receiver Circuits40................................................................................................................................................................
Signal Levels40................................................................................................................................................................
Interface Lines41................................................................................................................................................................
Step Signal Timing42................................................................................................................................................................
Wgt Timing43................................................................................................................................................................
Write Gate (wgt)43................................................................................................................................................................
Write Data Signal Timing44................................................................................................................................................................
Index Signal Timing44................................................................................................................................................................
File Unsafe Reset (fur)44................................................................................................................................................................
Track 00 (tko)45................................................................................................................................................................
Read Data Signal Timing46................................................................................................................................................................
Write Protect (prt)46................................................................................................................................................................
Disk Change Signal Timing47................................................................................................................................................................
Vfo Synchronization (syc)47................................................................................................................................................................
Read Data And Window Signal Timing48................................................................................................................................................................
Step And Track 00 Timing48................................................................................................................................................................
Power On Sequence48................................................................................................................................................................
Access Timing49................................................................................................................................................................
Write Timing49................................................................................................................................................................
Read Timing50................................................................................................................................................................
Chapter 4 Maintenance51................................................................................................................................................................
Preventive Maintenance51................................................................................................................................................................
Maintenance Tools51................................................................................................................................................................
Maintenance Parts51................................................................................................................................................................
Removal And Replacement Procedures52................................................................................................................................................................
Pcb Removal52................................................................................................................................................................
Collet Assembly Removal, Replacement, And Adjustment53................................................................................................................................................................
Removing The Collet Assembly53................................................................................................................................................................
Replacing The Collet Assembly54................................................................................................................................................................
Head Unload Spring In Relation To Spring Plate55................................................................................................................................................................
Position Of The Spring Plate55................................................................................................................................................................
Carriage Assembly Removal And Replacement56................................................................................................................................................................
Carriage Assembly Position On The Base Frame57................................................................................................................................................................
Head Load Cam Assembly And Head Load Cam Removal And Replacement58................................................................................................................................................................
Write Protect Sensor And Media-in Sensor Removal And Replacement59................................................................................................................................................................
Installing The Head Load Cam Assembly59................................................................................................................................................................
Optical Tachometer Sensor Removal And Replacement60................................................................................................................................................................
Write Protect Or Media-in Sensor Connections60................................................................................................................................................................
Installing The Write Protect Or Media-in Sensor60................................................................................................................................................................
Sensor Cable Assembly61................................................................................................................................................................
Tachometer Sensor61................................................................................................................................................................
Figure61................................................................................................................................................................
Removing The Sensor Cable Assembly62................................................................................................................................................................
Installing The Index Sensor63................................................................................................................................................................
Removing And Replacing The Carbon Brushes64................................................................................................................................................................
Removing A Carbon Brush64................................................................................................................................................................
Armature Removal65................................................................................................................................................................
Removing The Armature65................................................................................................................................................................
Spindle Assembly Removal66................................................................................................................................................................
Removing The Spindle Assembly66................................................................................................................................................................
Front Panel Removal67................................................................................................................................................................
Picker Rod Removal And Replacement67................................................................................................................................................................
Removing The Front Panel67................................................................................................................................................................
Pop-up Assembly Removal And Replacement68................................................................................................................................................................
Adjusting The Picker Rod68................................................................................................................................................................
Guide Rail Removal69................................................................................................................................................................
Checking The Operation Of The Pop-up Feature69................................................................................................................................................................
Removing The Pop-up Assembly And Guide Rail69................................................................................................................................................................
Door Lock Solenoid Removal And Replacement70................................................................................................................................................................
Removing The Door Lock Solenoid70................................................................................................................................................................
Adjusting The Door Lock Solenoid71................................................................................................................................................................
Chapter 5 Adjustments73................................................................................................................................................................
Diagnostic Tests73................................................................................................................................................................
Location Of Diagnostic Test Pins And Test Points73................................................................................................................................................................
Auto Tap Test74................................................................................................................................................................
Auto Seek Test74................................................................................................................................................................
Head Unload Delay74................................................................................................................................................................
Test Points75................................................................................................................................................................
Test Points And Signals75................................................................................................................................................................
Adjustments75................................................................................................................................................................
Head Radial Alignment Oscilloscope Settings76................................................................................................................................................................
Head Radial Alignment Check Or Adjustment76................................................................................................................................................................
Head Radial Alignment Waveform77................................................................................................................................................................
Adjusting Head Radial Alignment78................................................................................................................................................................
Head Azimuth Oscilloscope Settings78................................................................................................................................................................
Azimuth Check78................................................................................................................................................................
Azimuth Waveform79................................................................................................................................................................
Index Alignment Oscilloscope Settings79................................................................................................................................................................
Index Alignment Check Or Adjustment79................................................................................................................................................................
Index Alignment Waveform80................................................................................................................................................................
Other Adjustments80................................................................................................................................................................
Waveforms At Tp7 And Tp1081................................................................................................................................................................
Track 00 Signal81................................................................................................................................................................
Track Sensor Check Or Adjustment81................................................................................................................................................................
Write Protect Sensor Check Or Adjustment82................................................................................................................................................................
Head Load Waveform83................................................................................................................................................................
Trim Pots83................................................................................................................................................................
List Of Illustrations87................................................................................................................................................................
G9nyf Pcb Assembly91................................................................................................................................................................

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