SERVICE MANUAL
Rev. 05/2005
P - 11
1-3-1-3 AUXILIARY BOARD
AUXILIARY BOARD distributes the electrical power to all sub-units and
control the front panel.
It is connected to MAIN POWER SUPPLY.
System can be switched ON again only, if the push button is rotated to
ON position. There are two options to turn ON the SLIT LAMP :
- first if user only wants to use SLIT LAMP without turning on the laser:
SLIT LAMP can be turned ON by pressing illuminated green SLIT LAMP
SWITCH. When the green light is ON, the slit lamp is lighted.
- second if user wants to use SLIT LAMP together with the laser : he
turns ON KEY SWITCH also the SLIT LAMP is lighted.
SLIT LAMP is connected to auxiliary board on the back panel LASER
CONSOLE.
The joystick pulse button and the lamp are controlled by this board.
1-3-1-4 INTERFACE BOARD
The INTERFACE Board (optocoupler interface) converts and distributes
electric power to other boards and laser head.
Its main functions are :
- power regulation : 5V voltage regulator (display),
12V voltage regulator (aiming beam).
- galvanic isolation : DC/DC power converter.
- digital and analog optocouplers isolation : computer signals.
- hardware control : - footswitch,
- high voltage,
- energy meter,
- shutter position,
- computer watch-dog.
- drivers for ENERGY OPTIONAL DISPLAY.
- speaker control.
- number of laser pulses selection and controlling of high voltage
power supply are on this board.
1 - BLOCK AND WIRING DIAGRAMS
