Advantech HMI-640S - Manual (Page 38)

2 8 HMI-640S User's Manual
3.6 Core of HMI-640S (CPC-2520/CPC-2245N/
CPC-2430)
The core of HMI-640S consists of CPC-2520 VGA/LCD control board,
CPC-2245N main board and CPC-2430 carrier board. After removing
power supply and I/O board as mentioned in previous sections, you
can disassemble the other boards by the following steps:
1. Take off the riser board as you remove the power supply.
2. Take off the CPC-2900 I/O board as mentioned in last section.
3. Loosen the two nuts on the CPC-2520 VGA/LCD control board, and
remove it from the main board beneath.
4. Loosen the two nuts on the CPC-2245N main board. Pull the two
SO-DIMM latches outward, then the main board can be released
from the SO-DIMM connector.
5. When all the boards above are removed, you can take off the CPC-
2430 carrier board with ease.