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Section 2
Service Overview
2-1. Setup when Replacing Board or Battery is Replaced
The required procedures are described below when the board or battery on board is replaced.
ADA-61 Board
Adjustment after board is replaced
Perform the video level adjustment. (Refer to Sections 4-5-4 to 4-5-9)
FM-81 Board
Precaution when replacing battery
Even though contents of the RAM are backed up by the super capacitor, replace the battery in a short time
(60 minutes or less).
Procedure before replacing board
1. Unload the file.
2. Back up the memory contents. (Refer to Section 1-3.)
Procedure after board is replaced
Restore the memory contents. (Refer to Section 1-3.)
When the board is replaced, set S402 (battery switch) to ON position.
PU-121 Board
Precaution when replacing battery
Even though contents of the RAM are backed up by the super capacitor, replace the battery in a short time
(60 minutes or less).
Procedure before replacing board
Unload the file.
Procedure after board is replaced
When the board is replaced, set S503 (battery switch) to ON position.
Precautions when replacing board
When replacing the board, contents of the RAMs are erased. Erasing the HDD error information may
prevent the HDD from being read or written normally.
2-1 (E)
MAV-555A
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