SERVICE MANUAL
Rev. 05/2005
P - 12
1-3-1-5 CPU BOARD
CPU BOARD is connected to INTERFACE BOARD via two connectors :
- one connector feeds all the digital and analog signals
- the other connector is for Computer power supply.
The CPU Board is the heart of the system :
- control of the display and front panel functions,
- control the High Voltage Capacitor Board via the interface board,
- control the laser head via the interface board.
1-3-1-6 HIGH VOLTAGE CAPACITOR BOARD
HIGH VOLTAGE CAPACITOR BOARD is connected to INTERFACE
BOARD.
The flash lamp of the laser head is supplied and controlled by this
board.
The high voltage is checked by the CPU Board (safety detection).
1-3-1-7 DISPLAY / KEYBOARD
DISPLAY / KEYBOARD unit is connected directly to Computer board.
Power for the back-light LED is fed from Interface board (5V).
Computer also controls via Interface two front panel LED diodes (green
for Stand-by and yellow for Ready) which are above STAND-BY /
READY button.
There are three keys on the front panel :
- PULSE SELECT BUTTON,
- COUNTER RESET BUTTON,
- STAND-BY / READY BUTTON.
1-3-1-8 BACK PANEL CONNECTORS
BACK PANEL CONNECTORS are :
- Main input,
- Interlock,
- Slit lamp,
- Option,
- Energy display,
- High voltage connector for laser head,
- Signal connector for laser head,
- GND terminal.
1 - BLOCK AND WIRING DIAGRAMS
