Essilor AKR 550 Maintenance Manual

31
7-20 No power outlet
1. Check fuse
(Note) Make sure to unplug the power plug before starting this process.
Take out the fuse from the fuse holder and check the conduction.
If no conduction is confirmed, replace it with the specified fuse.
2. Check switching supply unit
DC voltage as shown below is output from the connector CN2 of the switching supply.
Check the output voltage in the voltage mode of the tester.
If the specified output voltage is not achieved, replace the switching supply.
CN2 (Top View)
Pin1 : +5V
Pin2 : +5V
Pin3 : GND
Pin4 : GND
Pin5 : -12V
Pin6 : +12V

Essilor AKR 550 Specifications

General

Brand	Essilor
Model	AKR 550
Category	Medical Equipment
Language	English