Doc No: MM5008E – Revision 6 – ENG
Data Processing Racks
TA3840 Maintenance Manual
20
TA3840C - Power supply and communication board -
Removing/installing/fuse replacement
●
Unscrew the 4 screws, then pull the handle to extract the electronic board from the rack.
NOTE :
the other fuses are absent or not used.
TA3840C - 4-20 mA analog inputs or multifunction board - Removing/installing
●
Raise the 2 extractor levers and pull them to extract the electronic board from the rack.
●
When re-installing the board, place the extractor levers in horizontal position, slide the board in
its runners, push it until it is engaged, then lower the levers.
Take care that the electronic board is in its dedicated slot in order to respect the
channel identification depending on JP8 position (refer to "CONFIGURATION OF
THE BOARD" chapter of the MI5008E installation manual).
TA3840C - LCD display board and CPU board - Replacement
CPU board - Removing/installing
●
Disconnect the green ribbon cable connector (A).
●
Disconnect the two 10-pins connectors (B).
●
Disconnect the 2-pins connectors (C).
●
Raise the 2 extractor levers and pull them to extract the CPU board from the rack.
●
When re-installing the CPU board, place the extractor levers in horizontal position, slide the
board in its runners, push it until it is engaged, then lower the levers.
●
Reconnect all connectors in the reverse order.
F1 - 1 A temporised
