Gendex ORTHORALIX 9200 Service Manual page 116

7.
replace the EEPROM D38 on the new PC1 with the one re-
moved from the old PC1.
8.
take the two integrated circuits D33 and D37 previously re-
moved from the old PC1 and mount them on the new PC1
into the sockets D33 and D37 indifferently.
9.
proceed backwards for remounting.
F.5.8 Replacing the mains relay
To replace the mains relay, proceed as follows:
1.
Disconnect the system from the mains supply.
2.
Remove the top cover (a) of the Z-carriage by unscrewing
the six screws (b).
3.
Remove the metallic protection (c) (and plastic protection,
only USA version) of the PN1 board by removing the eleven
screws (d).
4.
Disconnect the wires from the mains relay (e), taking care of
their position.
5.
Remove the mains relay by unscrewing the two fixation
screws.
6.
Mount the new mains relay and restore the connections.
7.
Proceed backwards for the remounting.
In this case, the PN4 board supplied with the mains relay
is not used, because is already mounted on the PN1 board
code 4519 101 00105.
Gendex Dental Systems 4519-190-71193-7
F-47
Printed on: 20 Apr 2012, 04:59:40 pm; Printed by: UWE.ZELLER
ORTHORALIX 9200 Service Manual
(03.0)E