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Sykes Manuals
Controller
3000 Series
Service manual
Sykes 3000 Series Service Manual
Cassette tape controller
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
Section General Description of Equipment
Series 3000 Equipment
Series 3000 Cassette Tape Controller Unit
Series 3000 EIA System
Peripheral Keyboard Assembly
Tape Cassette Requirements
Series 3000 Interfaces
· Series 3000 EIA Cassette Tape System Interface
Series 3000 CTC Breadboard Interface Kit
Specifications
General
Tape Format Information
General
Tape Leader, Trailer and Tracks
Character Format
Tape Format
Synchronization and Character Error Detection
Overall Functional Description
Section 2. Enclosure Components
Desk Top Unit Enclosure
Top Cover
Front Panel Assembly
Rack Mountable Unit Enclosure
Top Cover
Front Panel Assembly
Components Common to both Enclosure Types
Pivoting Support Bar for Logic Assembly
Power Switch/Indicator Assembly
Cooling Fan Assembly
Fan Filter
Transport Tie Bar
Fuseholder and Fuse
Power Line Filter
Parts List - Enclosure Components, Desk Top and
Tape Transport Assembly
Description of Tape Transport
Removal/Replacement of Transport
Cassette Holder Assembly
Tape Transport Assembly, Front View
Tape Head Slide Plate Assembly
Tape Head Slide Plate Solenoid
Pinch Roller Solenoid
Pinch Roller Assembly
Basic Drive Layout
Tape Guide Assembly
Magnetic Tape Head
Capstan Drive System (60 Hz and 50 Hz)
Capstan Motor
Reel Drive System
BOT /EOT Sensor and Lamp
Change TA (Tape Address) Sensor and Lamp
Cassette-In-Place Switch
Track Protect Switches
Motor Control Assembly
Read/Write Assembly
Timing Requirements
Forward-Reverse Sequence Timing
Read/Write Sequence Timing
Optional Vacuum Tape Cleaning System
Vacuum Line Filter Assembly
Tape Guide/Cleaner Assembly
Vacuum Tubing
Parts List - Motor Control Assembly
Parts List - 5 IPS Read/Write Assembly
Parts List - 12 IPS Read/Write Assembly
Assembly (Mvps)
General
Electrical Inputs
Electrical Outputs
Wiring Side of Connector Pl (Psljl Mate)
Removal/Replacement
Mvps Power Input Connections - 120 Vac or
Vac
Controller Board Assembly
Description of Controller Board Assembly
Access to Controller Board
Removal/Replacement
Controller Operations
Flow Chart, General Operations Sequence
Flow Chart, Read and Skip Sequence
Controller Interface Signal Descriptions
Interface Signal Timing
Command Execution Timing
Write Data Timing
Read da Ta Timing
Write File Mark Timing
File Mark Data Transfer Timing
File Mark Da.ta Transfer Timing
Write File Mark Timmg
Miscellaneous Controller Notes
Simultaneous Operations
Far End of Tape Detection
Data Packing Density
Electrical Parts List - Controller Board Assembly
High Speed Search Option Board (Hsso)
Description of High Speed Search Option
Access to HSSO Board
Removal/Replacement
Theory of Operation
Hsso Operations
Flow Chart, HSSO General Search Sequence
Flow Chart, File Mark Tape Address Update Sequence
HSSO Interface Signal Descriptions
Interface Signal Timing
Search and Read File Signal Timing
Address Enquiry Signal Timing
Search and Read File Signal Sequence Timing
Writing File and Load Marks Signal Timing
End of File Character (EOFC) Update Timing
HSSO Settings
Dual Tape Operation Notes
Pin Number List - Signals between HSSO Board and EIA or Wire Wrap Interface Board
Eia Interface Board and I/O Panels
Description of EIA Interface
EIA Interface Board
General
Functional Description of Block Diagram
Access to EIA Interface Board
Removal/Replacement
EIA I/O Panel Assembly
EIA Interface I/O Panel Assembly
Terminal and Modem I/O Connector Pin Assignments
RS-232-C Interface Specifications
Modem Port Signals (On-Line to Tape Mode)
Terminal Port Signals (Off-Line Mode)
Optional Current Loop Interface
Installation
Electrical Parts List - EIA Interface Board
Parts List - EIA Interface I/O Panel Assemblies
Eia Option Board Assembly
Description
Removal/Replacement
Transparent Receive Mode Option
Current Loop to RS-232 Converter Option
Copy/Dual Option (Dual Transport Systems Only)
Output Delay Option
Custom Baud Rate Option
Auto Disconnect/Remote Interrupt Option
Eia Option Board
Electrical Parts List - EIA Option Board
Breadboard Interface, Series 3000 Ctc Units
Breadboard Interface Kit
General
Access to Interface Board in Unit
Removal/Replacement
Pin Number List - Signals between Controller Board and Wire Wrap Breadboard Interface Board
Wire List - Cable from Wire Wrap Breadboard to
Wire Wrap Breadboard Kit
General
General
Left and Right Hand Control Switch Modules
Integral Control Keyboard - Series 3000 EIA Systems
Peripheral Control Keyboard Option - Series 3000 EIA Systems
Control Switch and Integral Keyboard Assemblies
Assemblies
Electrical Parts List - PC Boards for Control Switch
Electrical Parts List - PC Board for EIA Peripheral
PC Board for EIA Peripheral Keyboard
Alignment and Maintenance Procedures
Routine Checks and Adjustments
Capstan Drive Belt
Pinch Roller and Pinch Roller Solenoid
TA Sensitivity
Corrective Adjustments
BOT/EQT Sensitivity
Slide Plate Solenoid
Tape Head Slide Plate Solenoid Adjustment
Tape Head and Read/Write Assembly
Power Supply
Fast and Slow-Speed Servo Adjustments
Preventive Maintenance Procedures
Cleaning Control Keys
Cleaning Tape Head, Tape Guide, and Pinch Roller
Cleaning the Cooling Fan Filter
Handling and Storing Tape Cassettes
Schematic and Interconnecting Diagrams
Designation Codes for Equipment Areas, Components
And Connectors - Main Unit
Designation Codes for Components and Connectors
Peripheral Keyboard Assembly
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SERIES 3000 SERVICE MANUAL
• EIA Cassette Tape System
• Cas$ette Tape· Controller
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