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Installation
1. In the case of reparable the CN-1753
board.
Install the CN-1753 board in reverse order from
steps 2 to 6 of removal procedure.
2. In the case of irreparable the CN-1753
board
The CN-1753 board is not able to supply as spare
parts. Therefore deal as shown below when it is
impossible to repair the CN-1753 board.
n
The CN-1753 board is required when attaching
the fan shield plate. Never throw away the CN-
1753 board if it is irreparable. If there is not the
CN-1753 board, the fan shield plate is not fixed
properly because the clearance appears between
the fan shield plate and fan bracket.
(1) When the suffix of power supply unit is -12,
replace it with the one of suffix is -13 and
higher.
n
Perform to step 6 of "2-3-1. In the Case of
Two Power-Cooling-Fan".
(2) IF the suffix of IF-715 board is -11, replace it
with the one of suffix is -12 and higher.
(Refer to "In the case of two Power-cooling-
fan" of Section 2-4-1.)
(3) Disconnect the harness 3 from CN1 on the
IF-715 board.
n
This harness is not need.
(4) Connect the harness of power supply unit
(Harness 1 in the figure) to CN1 on the IF-
715 board.
BKNW-116
2-4-5. CN-1753 Board
2-37 (E)
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