DR. JOHANNES HEIDENHAIN TNC 114 Service Instructions Manual - Page 20

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DR. JOHANNES HEIDENHAIN
D-8225 Traunreut
Telefon (08669) 31-O. Telex 56831
TNC
114
EXCHANGE
software
Exchange
Kundendienst
Page 3
stand:
01.10.83
4.
Program exchange
Important:
observe
MOS
protection
procedures.
In order
to exchange
the operating
program,
the display
board must be demounted
from the control.
Necessary
tools:
- IC extract/insertion
tool
- small
screwdriver
- remove EPROM from display
board using
extraction
tool
- place
EPRQM onto MOS protection
mat
- insert
new EPROM correctly
using
insertion
tool
Important:
- The inserted
IC
must
be pointing
in the same
direction
as the remaining
IC's
on the display
board.:
b
- Before
installing
the board
into
the control,
visually
check if
all
the IC pins
are contacting
the IC socket.
After
an operating
program
exchange
the program
nr.
has to be
changed on the backside
of the control.
,