Siemens Servo Screen 390 Service Manual page 32

4. Service procedures
4
32
Replacing the SS390-PROM
on PC 1662
Before performing this service action, read
the sections "General" and "Handling PC
boards" in chapter 3, "Disassembly and
assembly".
• Remove the PC boards as described in
chapter 3, "Disassembly and assembly".
• Use an extraction tool to remove the old
SS390-PROM (1) mounted at the rear of
PC 1662.
• Mount the new SS390-PROM into the
socket. Make sure that it is correctly
mounted and that no leg has been bent or
broken.
• Assemble the Servo Screen 390 as
described in chapter 3, "Disassembly and
assembly".
The SS390-PROM is now replaced.
1
Perform a Functional check according to the
instructions in the Operating Manual.
Upgrading the SS390-FLASH
on PC 1835
A Service CompactFlash™-card will be used
to upgrade the SS390-FLASH on PC 1835.
Upgrade instructions will be delivered with
this Service card.
Siemens-Elema AB
Servo Screen 390
E382 E394E 061 01 02 02