HEIDENHAIN TNC 415 (259 9x0) Service Manual User Manual
Page 165

SERVICE MANUAL TNC 415B/425
Page 160
Issue: 20.08.95
CLP board TNC 425
Remove
knurled screw
Loosen
fixing screws
Remove
knurled screw
Loosen
fixing screws
f) Lift out the CLP board; exchange the EPROM, if required (see section 21.8).
Insert the new board.
21.4.3 Mounting the CLP Board
The CLP board is mounted in the reverse order that is was dismounted.
a) Insert and secure the CLP board.
b) Engage the connectors.
*
Observe that no connectors are switched!
c) Close the logic unit and the locks.
d) Switch on the main switch.
e) Offset adjustment with code number (see section 18.5).
Exchange is now finished.
*
Warning!
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.