Dolev 800 - Assemblies -

Electronic System - Data Unit

Top Assembly - Left Side (zoom image)

See:     Reminder About VLSI comp level M
             Dolev 800 Data unit (Cat#)

Description
Fast Data #1 Brd
Fast Data #2 Brd
SFLM Brd
VLSI Brd
Fiber Optic Communication Cable
Changing the Data Frequency

Description

Data Unit Board Locations
Power Specification
Top of Unit

Data Unit Board Locations

The Dolev 800 data unit has seven slots. Four of these slots are reserved:

For F. Data Installation
    Slot
    #
    1    SFLM Master
    3    Fast Data 2
    4    Fast Data 1
    6    SFLM

For VLSI (Class Screen) Installation
    Slot #
    1. Screen Processor LBX + Class (503D38691)

For VLSI (Class Screen) and SFLM Installation
    Slot #
    1.    SFLM
    2.    Screen Processor

Power Specification

The unit can operate between 85 and 265 volts, 50/60 Hz. It is a 1 phase unit with a power consumption of 500 Watts.

Top of Unit

The top of the unit has a 9-pin connector, a 25 pin connector for the Fast Data2 board, one power inlet, and an opening for a fiber optics cable from the host.

Fast Data #1 Brd

Description
Replacement
Diagnostics

Description

Fast Data1 Board (503D29760) - Summary
Connectors Description

Fast Data1 Board (503D29760) - Summary

• MULTIHAND (MULTIBUS/HANDSHAKE)
  
• Input Memory
  
• Timing
  
• Line Buffer

Connectors Description

Fast Data1 Board Connectors

J1    A 50 pin flat cable connector to J1 on Fast Data2.

J2    A 26 pin flat cable connector to J2 on Fast Data2.

J3    A 50 pin D type cable reserved for future use.

J4    A 25 pin flat cable connector to J4 on Fast Data2.

Replacement

1. Switch the Dolev 800 off.
   
   
2. Access the Board:
   
   a)    If the Fast Data 1 Board is located in the microwhisper, open the front door and the cover of the microwhisper.
   
   b) If the Fast Data 1 Board is located in the Data Unit Crate, open the left side door of the Dolev 800 and remove the cover of the data unit crate.
   
   
3. Release the Fast Data 1 Board from its connectors to the Fast Data 2 board and remove it from the crate.
   
   
4. Install the new Fast Data 1 Board and connect the connectors to the Fast Data 2 Board.
   
   
5. Close the covers and switch the Dolev 800 on.

Diagnostics

1. Run Diagnostics and verify that the Fast Data 1 Board doesn't fail.
   
   
2. Run several exposures and verify that the results are good.

Fast Data #2 Brd

FCO 16377 

Description
Replacement
Diagnostics

Description

Replacement

1. Switch the Dolev 800 off.
   
   
2. Access the Board:
   
   a)    If the Fast Data 2 Board is located in the microwhisper, open thefront door and the cover of the microwhisper.
   
   b) If the Fast Data 2 Board is located in the Data Unit Crate, open the left side door of the Dolev 800 and remove the cover of the data unit crate.
   
   
3. Release the Fast Data 2 Board from its connectors to the Fast Data 1 board and remove it from the crate.
   
   
4. Install the new Fast Data 2 Board and connect the connectors to the F ast Data 1 Board.
   
   
5. Close the covers and switch the Dolev 800 on.

Diagnostics

1. Run Diagnostics and verify that the Fast Data 2 Board doesn't fail.
   
   
2. Run several exposures and verify that the results are good.

SFLM Brd

Description
Replacement
Diagnostics

Description

Two SFL Communications Boards are connected to create a fiber optic linkbetween the Dolev 800 and the Response system.

The SFLM (503D27670), is a slave. It is installed in the Imagesetter Data Unit.

The SFLP, is the master. It is installed in the Response system.

The SFLM appears transparent to the master. The SFLP master can write directly to the slave bus.

Replacement

1. Switch the Dolev 800 off.
   
   
2. Access the Board:
   a)    If the SFLM Board is located in the microwhisper, open the front door and the cover of the microwhisper.
   
   b) If the SFLM Board is located in the Data Unit Crate, open the left side door of the Dolev 800 and remove the cover of the data unit crate.
   
   
3. Release the SFLM Board and remove it from the crate.
   
   
4. Install the new SFLM Board.
   
   
5. Close the lef side door and covers and switch the Dolev 800 on.

Diagnostics

1. Run Diagnostics and verify that the SFLM Board doesn't fail.
   
   
2. Run several exposures and verify that the results are good.

VLSI Brd

Connectors, Push Buttons & LEDs
Data Unit - VLSI Board

Connectors, Push Buttons & LEDs

Data Unit - VLSI Board

The following figures illustrate the Dip-Switch Definitions for the VLSI Screen Processor \ Rev B

VLSI Board in Prisma Cabinet
VLSI Board in the Data Crate of Dolev 200/400/800

Fiber Optic Communication Cable

The Fiber Optic Communication cable is connected between the VLSI board inside the Data crate and the SFLP board on the PS/2 or the SFLM board inside the Whisper.

Changing the Data Frequency

Follow these steps in order to change the Data Frequency:

1. Enter to Plotter Setting Menu.
   
   
2. Press @ and Enter.
   
   
3. Choose #8 - Vered Host Parameters from the Debugging Parameters.
   
   
4. Choose # 5 - Normal Data Frequency from the Host Parameters.
   
   Change this parameter - the normal value is 25.