Nidec Ophthalmic Yag Laser System Nidek YC-1600

Remove the plug connector of the cable for the YAG laser unit

Cut the tie wrap and shrinkable tube with the nipper, then disconnect the inside plug by holding it with the needle nose wrench

Loosen PC3 × 4 and remove the GND cables from the YAG laser unit

Loosen SB3 × 6 (n=3) and remove the YAG laser unit from the laser head support

Assemble the new YAG laser unit in the reverse order

Warning: This procedure requires trained personnel with PPE!

Fixing screw loosened and wheel shaft removed

Sign off on the wheel shaft replacement

Warning: Ensure the machine is powered off before starting the procedure

P103 on the master board disconnected

Bottom cover of the microscope arm removed

SB3 × 5 (n=2) loosened and aiming shutter ASSY removed

New aiming shutter ASSY assembled

Sign off on the Aiming Shutter Assy Replacement

CAUTION: Pay attention not to get an electric shock

Is the voltage within the nominal range ±10%?

Upload a photo of the voltage regulator setup

Upload a photo of the new fixation lamp ASSY

Switching power supply replaced?

Upload a photo of the new PS ASSY connected to J2 connector

Warning: This procedure requires trained personnel!

Connector reconnected and key switch turned ON

4th pin of J103 on the master board verified

Detection light interrupted by inserting a board or metal plate into the slot of the sensor for the aiming shutter (1 position; PI3)

Sign off on the Aiming Shutter Sensor Check