HEIDENHAIN TNC 407 (243 020) Service Manual - Manual (Page 118)

HEIDENHAIN
JOHANNES
D - 8 3 2 9 2
SERVICE MANUAL TNC
Issue:
01.09.1995
Page 98
Loosen/remove the fixing screws
Remove
knurled screw
Loosen fixing screws
Remove
knurled screw
Lift the CLP board: exchange the EPROMs, if required (see section 19.9).
Insert the new board.
19.4.3 Mounting the CLP Board
The CL’? board is mounted in the reverse order that is was dismounted.
Insert and secure the CLP board,
Engage the connectors.
Observe that no connectors are switched!
Close the logic unit and close the lock.
Switch on the main switch.
Offset adjustment with code number (see section 16.5)
Exchange is now finished
NOTE:
Send and store the boards only in the
original packaging that protects them from acquiring
static charge. Never use conventional plastics to wrap the boards in.