HEIDENHAIN TNC 407 (243 020) Service Manual - Manual (Page 115)

D-i3292 (08669) 31-O
SERVICE MANUAL TNC
Issue:
01
Page 95
19.3
19.3.1
Exchanging the TNC 415 Processor Board
MOS-Protection, Software, Data Backup and Labelling of the Cables
(see
section 19.
19.3.2 Dismounting the Processor Board
Switch off the main switch at the machine tool.
Loosen the connectors at the processor board (X21, X22, X231.
(Pin layout: see section
Undo the lock and open the logic unit.
Undo lock
Disengage internal connectors
Press
(plug-type connector
is disengaged automatically)
Processor board TNC 415
Press spring lock to open it
and pull out the connector