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Dolev 800 - Electronic System - Standard Controller -
Power Converter and Misc. Board (503C30627)

Standard Controller Layout
Figure 6-12. Power Converter & Misc. Board Layout

Description (Specifications)
Replacement
Check

Description (Specifications)

LED Indicators Four green LED indicators montior the power supply: P5V, P12V, SP12V, 18V
Temperature Hazard A thermostat activated temperature hazard is connected to red LED and serial bus #1
Buses Serial bus #1 is controlled by the OMC
Serial bus #2 connection for revision reading
Power Supply 32 VAC from the power transformer protected by a 6.3A fuse
5VDC for digital control
12 VDC for solenoids and bi-directional DC motor
18 VDC internally generated for MOSFET switching
12 VDC bi-directional DC motor for continuous ND filter operation.
Solenoids Four low power solenoids with power reduction:
Shutter solenoid
Upper door solenoid
Lower door solenoid
Output cassette door solenoid

Two high power solenoids

Stepper Driver Supply a VM=43 VDC (unregulated) must be supplied to the stepper driver
CRI Power Supply a SP12 VDC (regulated) must be supplied to the stepper driver and the CRI
Operation All of the functions and feedbacks are operated by serial bus #1 except for the shutter. The shutter is operated by the CRI.
Protection All of the solenoids and motor drivers are overload and short circuit protected.
Diagnostics supplied for all of the solenoids, motors, VM and SP12V
For (Dolev Option) Optical Reflective Device switchable +5V DC f

Replacement

  1. Switch the machine OFF.

  2. Open the right side door of the Dolev 800 & the standard controller cover.

  3. Release the board and remove it from the crate.

  4. Install the new board.

  5. Close the right side door of the Dolev 800 & the standard controller cover and restore power.

Check

  1. Turn the machine on.

  2. Run Diagnostics and verify that the board diagnostic does not fail.

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