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3-4. Replacing the Board
3-4-8. APR-54 Board5. Connect the connectors (CN101, CN102) of a new
APR-54 board to the connectors (CN101, CN102) of
nthe DPR-127G board and insert the printed circuit
The APR-54 board can be replaced with the main power on.holders into the four holes.
n
Replacement ProcedureAfter inserting the printed circuit holder into the hole,
spread the tip of the printed circuit holder using a flat
Part name : APR-54 boardscrewdriver so that the board will not come out.
Part No. : A-8324-259-A
Holes
APR-54 board
Replacement Procedure
Flat screwdriver
Printed circuit
n
holder
Place a protection sheet under the board so that the board isCN101
not damaged.CN102
1. Perform the close processing. (Refer to Section 3-4-6.)
Hole
2. Remove the DPR-127G board assembly. (Refer to
CN101
Section 3-4-6.)
3. Remove the printed circuit holder from the four holes
on the APR-54 board.
n
While holding the tip of the printed circuit holder
using a pair of tweezers to taper it, pull it out of the
hole.CN102
DPR-127G board
Protection sheet
4. Disconnect the board-to-board connectors (CN101,
CN102) connected to the DPR-127G board and
remove the APR-54 board.
Setting after Replacement
Holes
APR-54 board
1. Press S402 (reset switch) on the DM-119 board of the
slot (example: slot 1 for slot 1X) the front panel
TweezersPrinted circuit corresponding to the slot into which the replaced
holderCN101
board.
CN1022. After boot processing is performed normally, confirm
that the 7-segment LEDs (ND401, ND402) on the
HoleDM-119 board are displayed as follows.
CN101. The segments of the highest digits of ND401 and
ND402 illuminate in turn in clockwise order.
. O0� (close) is displayed on the segments of the
lowest digits of ND401 and ND402.
DPR-127G boardProtection
CN102sheet
MAV3-17 (E)-2000 |
ACEC
